Colin G. Farquharson:  Publications List

Papers | Selected conference presentations

Darijani, M., C.G. Farquharson and S. Perrouty, 2022, A Random Forest approach to predict geology from geophysics in the Pontiac subprovince, Canada, Canadian Journal of Earth Sciences. (DOI:10.1139/cjes-2021-0089)
Mukherjee, S., R.S. Bell, W.N. Barkhouse, S. Adavani, P.G. Lelièvre and C.G. Farquharson, 2022, High-resolution imaging of subsurface infrastructure using deep learning artificial intelligence on drone magnetometry, The Leading Edge, 41, 462-471. (DOI:10.1190/tle41070462.1)
Luo, F., Q. Lu, K. Zhang, J. Yan, C.G. Farquharson, C. Zhang and G. Fu, 2022, Crustal Electrical Structure and Deep Metallogenic Potential in Northern Wuyi Area (South China), based on Magnetotelluric Data, Acta Geologica Sinica, 96, 791-805. (DOI:10.1111/1755-6724.14864)
Zhu, Y., W. Wang, J.K. Welford, C.G Farquharson, Y. Yang, X. Luo, D. Wang, T. Ma and J. Ma, 2022, Structural features in the mid-latitude Western Pacific based on gravity and magnetic anomalies, Acta Geophysica Sinica, 65, 1712-1731. (DOI:10.6038/cjg2022P0115)
Zhang, M., C.G. Farquharson and T. Lin, 2022, Three-dimensional forward modeling and characterization of the responses of the ground-airborne frequency-domain electromagnetic method, Journal of Applied Geophysics, 199, 104588. (DOI:10.1016/j.jappgeo.2022.104588)
Han, X., C. Yin, Y. Su, B. Zhang, Y. Liu, X. Ren, J. Ni and C.G. Farquharson, 2022, 3D Finite-Element Forward Modeling of Airborne EM Systems in Frequency-Domain Using Octree Meshes, IEEE Transactions on Geoscience and Remote Sensing, 60, 5912813. (DOI:10.1109/TGRS.2022.3153026)
Zhang, M., C.G. Farquharson and T. Lin, 2022, Comparison of nodal and edge basis functions for the forward modelling of three-dimensional frequency-domain wire source electromagnetic data using a potentials formulation, Geophysical Prospecting, 70, 828-843. (DOI:10.1111/1365-2478.13187)
Yu, G., C.G. Farquharson, Q. Xiao and M. Li, 2022, Two-dimensional anisotropic magnetotelluric inversion using a limited-memory quasi-Newton method, Geophysics, 87, E13-E34. (DOI:10.1190/geo2020-0488.1)
Galley, C., P. Lelièvre, A. Haroon, S. Graber, J. Jamieson, F. Szitkar, I. Yeo, C. Farquharson, S. Petersen, R. Evans, 2021, Magnetic and gravity surface geometry inverse modeling of the TAG active mound, Journal of Geophysical Research: Solid Earth, 126, e2021JB022228. (DOI:10.1029/2021JB022228)
Huang, X., C.G. Farquharson, C. Yin, L. Yan, X. Cao and B. Zhang, 2021, A 3D forward-modeling approach for airborne electromagnetic data using a modified spectral-element method, Geophysics, 86, E343-E354. (DOI:10.1190/GEO2020-0004.1)
Lu, X., C.G. Farquharson, J.-M. Miehé and G. Harrison, 2021, 3D electromagnetic modeling of graphitic faults in the Athabasca Basin using a finite-volume time-domain approach with unstructured grids, Geophysics, 86, B349-B367. (DOI:10.1190/geo2020-0657.1)
Carter-McAuslan, A., and C. Farquharson, 2021, Predictive geologic mapping from geophysical data using self-organizing maps: A case study from Baie Verte, Newfoundland, Canada, Geophysics, 86, B249-B264. (DOI:10.1190/GEO2020-0756.1)
Darijani, M., and C.G. Farquharson, 2021, Inversion of magnetic and frequency-domain electromagnetic data for investigating lithologies associated with gold mineralization in the Canadian Malartic area, Québec, Canada, Canadian Journal of Earth Sciences, 58, 413-432. (DOI:10.1139/cjes-2020-0092)
Zhu, Y., W. Wang, J. Huang, M. Zhang, M. Yang and C.G. Farquharson, 2021, Maximum-edge-recognition methods based on the normalized vertical derivative for potential field data, Geophysics, 86, G23-G34. (DOI:10.1190/GEO2020-0165.1)
Wang, S., S. Constable, V. Reyes-Ortega, H. Jahandari, C. Farquharson and T. Avilés Esquivel, 2021, Two-dimensional determinant inversion of marine magnetotelluric data and a field example from the Gulf of California, Mexico, Geophysics, 86, E37-E57. (DOI:10.1190/GEO2019-0735.1)
Darijani, M., C.G. Farquharson and P.G. Lelièvre, 2021, Joint and constrained inversion of magnetic and gravity data: A case history from the McArthur River area, Canada, Geophysics, 86, B79-B25. (DOI:10.1190/GEO2019-0818.1)
Lu, X., C. Farquharson, J.-M. Miehé, G. Harrison and P. Ledru, 2021, Computer modeling of electromagnetic data for mineral exploration: Application to uranium exploration in the Athabasca Basin, The Leading Edge, 40, 139a1-139a11. (DOI:10.1190/tle40020139a1.1)
Fu, G., Q. Lu, J. Yan, C.G. Farquharson, G. Qi, K. Zhang, Y. Zhang, H. Wang and F. Luo, 2021, 3D mineral prospectivity modeling based on machine learning: A case study of the Zhuxi tungsten deposit in northeastern Jiangxi Province, South China, Ore Geology Reviews, 131, 104010. (DOI:10.1016/j.oregeorev.2021.104010)
Zhang, M., C.G. Farquharson and C. Liu, 2021, Improved controlled source audio-frequency magnetotelluric method apparent resistivity pseudo-sections based on the frequency and frequency-spatial gradients of electromagnetic fields, Geophysical Prospecting, 69, 474-490. (DOI:10.1111/1365-2478.13059)
Lu, X., and C.G. Farquharson, 2020, 3D finite-volume time-domain modeling of geophysical electromagnetic data on unstructured grids using potentials, Geophysics, 85, E207-E226. (DOI:10.1190/GEO2020-0088.1)
Galley, C.G., J.W. Jamieson, P.G. Lelièvre, C.G. Farquharson and J.M. Parianos, 2020, Magnetic imaging of subseafloor hydrothermal fluid circulation pathways, Science Advances, 6 (44), eabc6844. (DOI:10.1126/sciadv.abc6844)
Galley, C.G., P.G. Lelièvre and C.G. Farquharson, 2020, Geophysical inversion for 3D contact surface geometry, Geophysics, 85, K27-K45. (DOI:10.1190/geo2019-0614.1)
Ansari, S.M., E. Schetselaar, J. Craven and C. Farquharson, 2020, Three-dimensional Magnetotelluric Numerical Simulation of Realistic Geological Models, Geophysics, 85, E171-E190. (DOI:10.1190/geo2019-0214.1)
Bin Zubair Syed, H., C. Farquharson and S. MacLachlan, 2020, Block Preconditioning Techniques for Geophysical Electromagnetics, SIAM Journal on Scientific Computing, 42, B696-B721. (DOI:10.1137/19M1241611)
Geng, M., J.K. Welford, C.G. Farquharson, A.L. Peace and X. Hu, 2020, 3-D joint inversion of airborne gravity gradiometry and magnetic data using a probabilistic method, Geophysical Journal International, 223, 301-322. (DOI:10.1093/gji/ggaa283)
Lelièvre, P.G., D. Fournier, S.E. Walker, N.C. Williams and C.G. Farquharson, 2020, A proposed procedure for ameliorating edge effects in magnetic data transformations, Geophysical Prospecting, 68, 1999-2006. (DOI:10.1111/1365-2478.12954)
Darijani, M., C.G. Farquharson and P.G. Lelièvre, 2020, Clustering and constrained inversion of seismic refraction and gravity data for overburden stripping: Application to uranium exploration in the Athabasca Basin, Canada, Geophysics, 85, B133-B146. (DOI: 10.1190/geo2019-0525.1)
Vallée, M.A., K. Byrne, J.J. King, R.G. Lee, G. Lesage, C.G. Farquharson, M. Chouteau and R.J. Enkin, 2020, Imaging porphyry copper alteration using aeromagnetic data at Highland Valley Copper, British Columbia, Canada, Exploration Geophysics, 51, 388-400. (DOI: 10.1080/08123985.2019.1699787)
Zhang, M., C.G. Farquharson and C. Liu, 2020, Response characteristics of gradient data from the frequency-domain controlled-source electromagnetic method, Journal of Applied Geophysics, 172, 103873. (DOI: 10.1016/j.jappgeo.2019.103873)
Long, J., and C.G. Farquharson, 2019, On the forward modelling of three-dimensional magnetotelluric data using a radial-basis-function-based mesh-free method, Geophysical Journal International, 219, 394-416. (DOI: 10.1093/gji/ggz306)
Lelièvre, P.G., A. Barnoud, V. Niess, C. Cârloganu, V. Cayol, C.G. Farquharson, 2019, Joint inversion methods with relative density offset correction for muon tomography and gravity data, with application to volcano imaging, Geophysical Journal International, 218, 1685-1701. (DOI: 10.1093/gji/ggz251)
Zeng, S., X. Hu, J. Li, C.G. Farquharson, P.C. Wood, X. Lu and R. Peng, 2019, Effects of full transmitting-current waveforms on transient electromagnetics: Insights from modeling the Albany graphite deposit, Geophysics, 84, E255-E268. (DOI: 10.1190/geo2018-0573.1)
Geng, M., J.K. Welford, C.G. Farquharson and A.L. Peace, 2019, 3D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock, Newfoundland: A case history using a probabilistic approach, Geophysics, 84, B269-B284. (DOI: 10.1190/geo2018-0407.1)
Geng, M., J.K. Welford, C.G. Farquharson and X. Hu, 2019, Gravity modeling for crustal-scale models of rifted continental margins using a constrained 3D inversion method, Geophysics, 84, G25-G39. (DOI: 10.1190/geo2018-0134.1)
Vallée, M.A., C.G. Farquharson, W.A. Morris, J. King, K. Byrne, G. Lesage, R.G. Lee, M. Chouteau and R.J. Enkin, 2019, Comparison of geophysical inversion programs run on aeromagnetic data collected over the Highland Valley Copper district, British Columbia, Canada, Exploration Geophysics, 50, 310-323. (DOI: 10.1080/08123985.2019.1604068)
Vallée, M.A., W.A. Morris, S. Perrouty, R.G. Lee, K. Wasyliuk, J.J. King, K. Ansdell, R. Mir, P. Shamsipour, C.G. Farquharson, and M. Chouteau, 2019, Geophysical inversion contributions to mineral exploration: lessons from the Footprints project, Canadian Journal of Earth Sciences, 56, 525-543. (DOI: 10.1139/cjes-2019-0009)
Liu, W., C.G. Farquharson, J. Zhou, and X. Li, 2019, A rational Krylov subspace method for 3D modeling of grounded electrical source airborne time-domain electromagnetic data, Journal of Geophysics and Engineering, gxz021. (DOI: 10.1093/jge/gxz021)
Yang, M., W. Wang, J.K. Welford, and C.G. Farquharson, 2019, 3D gravity inversion with optimized mesh based on edge and center anomaly detection, Geophysics, 84, G13-G23. (DOI: 10.1190/geo2018-0390.1)
Long, J., and C.G. Farquharson, 2019, Three-dimensional forward modelling of gravity data using mesh-free methods with radial basis functions and unstructured nodes, Geophysical Journal International, 217, 1577-1601. (DOI: 10.1093/gji/ggz115)
Huang, X., C. Yin, C.G. Farquharson, X. Cao, B. Zhang, W. Huang, and J. Cai, 2019, Spectral-element method with arbitrary hexahedron meshes for time-domain 3D airborne electromagnetic forward modeling, Geophysics, 84, E37-E46. (DOI: 10.1190/geo2018-0231.1)
Li, J., X. Lu, C.G. Farquharson, and X. Hu, 2018, A finite-element time-domain forward solver for electromagnetic methods with complex-shaped loop sources, Geophysics, 83, E117-E132. (DOI: 10.1190/geo2017-0216.1)
Lelièvre, P.G., A.E. Carter-McAuslan, M.W. Dunham, D.J. Jones, M. Nalepa, C.L. Squires, C.J. Tycholiz, M.A. Vallée, C.G. Farquharson, 2018, FacetModeller: Software for manual creation, manipulation and analysis of 3D surface-based models, SoftwareX, 7, 41-46. (DOI: 10.1016/j.softx.2018.02.002)
Dunham, M.W., S.M. Ansari, and C.G. Farquharson, 2018. Application of 3D marine controlled-source electromagnetic finite-element forward modeling to hydrocarbon exploration in the Flemish Pass Basin offshore Newfoundland, Canada, Geophysics, 83, WB33-WB49. (DOI: 10.1190/geo2017-0451.1)
Liu, Y., C.G. Farquharson, C. Yin, and V.C. Baranwal, 2018. Wavelet-based 3-D inversion for frequency-domain airborne EM data, Geophysical Journal International, 213, 1-15. (DOI: 10.1093/gji/ggx545)
Zheglova, P., P.G. Lelièvre, and C.G. Farquharson, 2018. Multiple level-set joint inversion of traveltime and gravity data with application to ore delineation: A synthetic study, Geophysics, 83, R13-R30. (DOI: 10.1190/geo2016-0675.1)
Jahandari, H., and C.G. Farquharson, 2017. 3-D minimum-structure inversion of magnetotelluric data using the finite-element method and tetrahedral grids, Geophysical Journal International, 211, 1211-1227. (DOI: 10.1093/gji/ggx358)
Ansari, S.M., C.G. Farquharson, and S.P. MacLachlan, 2017. A gauged finite-element potential formulation for accurate inductive and galvanic modelling of 3-D electromagnetic problems, Geophysical Journal International, 210, 105-129. (DOI: 10.1093/gji/ggx149)
Bijani, R., P.G. Lelièvre, C.F. Ponte-Neto, and C.G. Farquharson, 2017. Physical property-, lithology- and surface geometry-based joint inversion using Pareto multi-objective global optimization, Geophysical Journal International, 209, 730-748. (DOI: 10.1093/gji/ggx046)
Jahandari, H., S. Ansari, and C.G. Farquharson, 2017. Comparison between staggered grid finite-volume and edge-based finite-element modelling of geophysical electromagnetic data on unstructured grids, Journal of Applied Geophysics, 138, 185-197. (DOI: 10.1016/j.jappgeo.2017.01.016)
Li, J., C.G. Farquharson, and X. Hu, 2017. 3D vector finite-element electromagnetic forward modeling for large loop sources using a total-field algorithm and unstructured tetrahedral grids, Geophysics, 82, E1-E16. (DOI: 10.1190/geo2016-0004.1)
Bihlo, A., C.G. Farquharson, R.D. Haynes, and J Concepcion Loredó-Osti, 2017. Probabilistic domain decomposition for the solution of the two-dimensional magnetotelluric problem, Computational Geosciences, 21, 117-129. (DOI: 10.1007/s10596-016-9598-8)
LI Jian-Hui, Colin G. Farquharson, HU Xiang-Yun, ZENG Si-Hong, 2016. A vector finite element solver of three-dimensional modelling for a long grounded wire source based on total electric field, Chinese Journal of Geophysics, 59(4): 1521-1534. (DOI: 10.6038/cjg20160432)
Lelièvre, P.G., and C.G. Farquharson, 2016. Integrated Imaging for Mineral Exploration, in Integrated Imaging of the Earth: Theory and Applications, M. Moorkamp, P. Lelièvre, N. Linde, and A. Khan (eds), AGU/Wiley.
Li, J., C.G. Farquharson, and X. Hu, 2016. Three effective inverse Laplace transform algorithms for computing time-domain electromagnetic responses, Geophysics, 81, E75-E90. (DOI: 10.1190/geo2015-0174.1)
Hunkeler, P.A., et al., 2016. Improved 1D inversions for sea ice thickness and conductivity from electromagnetic induction data: Inclusion of nonlinearities caused by passive bucking, Geophysics, 81, WA45-WA58. (DOI: 10.1190/geo2015-0130.1)
Jahandari, H., and C.G. Farquharson, 2015. Finite-volume modelling of geophysical electromagnetic data on unstructured grids using potentials, Geophysical Journal International, 202, 1859-1876. (DOI: 10.1093/gji/ggv257)
Carter-McAuslan, A., P.G. Lelièvre, and C.G. Farquharson, 2015. A study of fuzzy c-means coupling for joint inversion, using seismic tomography and gravity data test scenarios, Geophysics, 80, W1-W15. (DOI: 10.1190/geo2014-0056.1)
Jahandari, H., and C.G. Farquharson, 2014. A finite-volume solution to the geophysical electromagnetic forward problem using unstructured grids, Geophysics, 79, E287-E302. (DOI: 10.1190/geo2013-0312.1)
Ansari, S., and C.G. Farquharson, 2014. 3D finite-element forward modeling of electromagnetic data using vector and scalar potentials and unstructured grids, Geophysics, 79, E149-E165. (DOI: 10.1190/geo2013-0172.1)
Lelièvre, P.G., and C.G. Farquharson, 2013. Gradient and smoothness regularization operators for geophysical inversion on unstructured meshes, Geophysical Journal International, 195, 330-341. (DOI: 10.1093/gji/ggt255)
Jahandari, H., and C.G. Farquharson, 2013. Forward modeling of gravity data using finite-volume and finite-element methods on unstructured grids, Geophysics, 78, G69-G80. (DOI:10.1190/geo2012-0246.1)
Miensopust, M.P., P. Queralt, A.G. Jones, and the 3D MT modellers, 2013. Magnetotelluric 3-D inversion -- a review of two successful workshops on forward and inversion code testing and comparison, Geophysical Journal International, 193, 1216-1238. (DOI:10.1093/gji/ggt066)
Mosher, C.R.W., and C.G. Farquharson, 2013. Minimum-structure borehole gravity inversion for mineral exploration: A synthetic modeling study, Geophysics, 78, G25-G39. (DOI: 10.1190/geo2012-0373.1)
Zheglova, P., C.G. Farquharson, and C.A. Hurich, 2013. 2-D reconstruction of boundaries with level set inversion of traveltimes, Geophysical Journal International, 192, 688-698. (DOI: 10.1093/gji/ggs035)
Everett, M., and C. Farquharson, 2012. Near-surface electromagnetic induction -- Introduction, Geophysics, 77, WB1-WB2.
Lelièvre, P.G., A. Carter-McAuslan, C. Farquharson, and C. Hurich, 2012. Unified geophysical and geological 3D Earth models, The Leading Edge, 31, 322-328. (DOI: 10.1190/1.3694900)
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich, 2012. Joint inversion of seismic traveltimes and gravity data on unstructured grids with application to mineral exploration, Geophysics, 77, K1-K15. (DOI: 10.1190/geo2011-0154.1)
Farquharson, C.G., and M.P. Miensopust, 2011. Three-dimensional finite-element modelling of magnetotelluric data with a divergence correction, Journal of Applied Geophysics, 75, 699-710. (DOI: 10.1016/j.jappgeo.2011.09.025)
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich, 2011. Inversion of first-arrival seismic traveltimes without rays, implemented on unstructured grids, Geophysical Journal International, 185, 749-763. (DOI: 10.1111/j.1365-246X.2011.04964.x)
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich, 2011. Computing first-arrival seismic traveltimes on unstructured 3-D tetrahedral grids using the Fast Marching Method, Geophysical Journal International, 184, 885-896. (DOI: 10.1111/j.1365-246X.2010.04880.x)
Martí, A., P. Queralt, J. Ledo and C.G. Farquharson, 2010. Dimensionality imprint of electrical anisotropy in magnetotelluric responses, Physics of the Earth and Planetary Interiors, 182, 139-151. (DOI: 10.1016/j.pepi.2010.07.007)
Farquharson, C.G., and J.A. Craven, 2009. Three-dimensional inversion of magnetotelluric data for mineral exploration: An example from the McArthur River uranium deposit, Saskatchewan, Canada, Journal of Applied Geophysics, 68, 450-458. (DOI: 10.1016/j.jappgeo.2008.02.002)
Farquharson, C.G, and C.R.W. Mosher, 2009. Three-dimensional modelling of gravity data using finite differences, Journal of Applied Geophysics, 68, 417-422. (DOI: 10.1016/j.jappgeo.2009.03.007)
Farquharson, C.G., M.R. Ash, and H.G. Miller, 2008. Geologically constrained gravity inversion for the Voisey's Bay ovoid deposit, The Leading Edge, 27, 64-69. (DOI: 10.1190/1.2831681)
Farquharson, C.G, 2008. Constructing piecewise-constant models in multidimensional minimum-structure inversions, Geophysics, 73, K1-K9. (DOI: 10.1190/1.2816650)
Lam, K., M.J. Yedlin, and C.G. Farquharson, 2007. Two-Dimensional Radio Frequency Tomography, IEEE Transactions on Microwave Theory and Techniques, 55, 801-808. (DOI: 10.1109/TMTT.2007.893654)
Farquharson, C.G., K. Duckworth and D.W. Oldenburg, 2006. Comparison of integral equation and physical scale modeling of the electromagnetic responses of models with large conductivity contrasts, Geophysics, 71, G169-G177. (DOI: 10.1190/1.2210847)
Jones, A.G., J. Ledo, I.J. Ferguson, C. Farquharson, X. Garcia, N. Grant, G. McNeice, B. Roberts, J. Spratt, G. Wennberg, L. Wolynec, and X. Wu, 2005. The electrical resistivity structure of Archean to Tertiary lithosphere along 3200 km of SNORCLE profiles, northwestern Canada, Canadian Journal of Earth Sciences, 42, 1257-1275.
Farquharson, C.G., and D.W. Oldenburg, 2004. A comparison of automatic techniques for estimating the regularization parameter in nonlinear inverse problems, Geophysical Journal International, 156, 411-425.
Farquharson, C.G., D.W. Oldenburg and P.S. Routh, 2003. Simultaneous one-dimensional inversion of loop-loop electromagnetic data for magnetic susceptibility and electrical conductivity, Geophysics, 68, 1857-1869.
Farquharson, C.G., and D.W. Oldenburg, 2002. An integral-equation solution to the geophysical electromagnetic forward-modelling problem, in Three-Dimensional Electromagnetics: Proceedings of the Second International Symposium, M.S. Zhdanov and P.E. Wannamaker (eds), Elsevier, 3-19.
Farquharson, C.G., D.W. Oldenburg and Y. Li, 1999. An Approximate Inversion Algorithm for Time-Domain Electromagnetic Surveys, Journal of Applied Geophysics, 42, 71-80.
Farquharson, C.G., and D.W. Oldenburg, 1999. Approximate Sensitivities for the Multi-Dimensional Electromagnetic Inverse Problem, in Three-Dimensional Electromagnetics, M.L. Oristaglio and B.R. Spies (eds), Society of Exploration Geophysicists, 256-264.
Farquharson, C.G., and D.W. Oldenburg, 1998. Nonlinear inversion using general measures of data misfit and model structure, Geophysical Journal International, 134, 213-227.
Oldenburg, D.W, Y. Li, C.G. Farquharson, P. Kowalczyk, T. Aravanis, A. King, P. Zhang and A. Watts, 1998. Applications of Geophysical Inversions in Mineral Exploration Problems, The Leading Edge, 17, 461-465.
Farquharson, C.G., and D.W. Oldenburg, 1996. Approximate sensitivities for the electromagnetic inverse problem, Geophysical Journal International, 126, 235-252.
Ogawa, Y., A.G. Jones, M.J. Unsworth, J.R. Booker, X. Lu, J. Craven, B. Roberts, J. Parmelee, C. Farquharson, 1996. Electrical conductivity structures of the Appalachian Orogen, Geophysical Research Letters, 23, 1597-1600.
Farquharson, C.G., and D.W. Oldenburg, 1993. Inversion of time-domain electromagnetic data for a horizontally layered Earth, Geophysical Journal International, 114, 433-442.
Ellis, R.G., C.G. Farquharson and D.W. Oldenburg, 1993. Approximate Inverse Mapping inversion of the COPROD2 data, Journal of Geomagnetism and Geoelectricity, 45, 1001-1012.
Jones, A.G., J.A. Craven, G.W. McNeice, I.J. Ferguson, T. Boyce, C.G. Farquharson and R.G. Ellis, 1993. North American Central Plains conductivity anomaly within the Trans-Hudson orogen in northern Saskatchewan, Canada, Geology, 21, 1027-1030.
Farquharson, C.G., and R. Thompson, 1992. The Blairgowrie magnetic anomaly and its interpretation using simplex optimisation, Transactions of the Royal Society of Edinburgh: Earth Sciences, 83, 509-518.

Selected conference presentations | Papers

Farquharson, C.G., Computer modelling and inversion of EM data for the complexity and scale of real-life mineral exploration scenarios, KEGS PDAC EM Mini Symposium, Toronto, 11 June 2022.
Zheglova, P., C.G. Farquharson and A. Malcolm, Full Waveform Inversion of Electric Conductivity with Radio-Frequency Electromagnetic Waves, EAGE Conference and Exhibition, Madrid and on-line, 6-9 June 2022.
Lu, X., C.G. Farquharson, P. Lelièvre, G. Harrison and J.-M. Miehé, Surface geometry inversion of Preston Lake transient electromagnetic data, First International Meeting for Applied Geoscience and Energy (i.e., Annual Meeting of SEG, joint with AAPG), Denver, 26 Sept - 1 Oct, 2021.
Jahandari, H., C.G. Farquharson and P. Lelièvre, Forward modelling of direct-current resistivity data on unstructured grids using an adaptive mimetic finite-difference method, First International Meeting for Applied Geoscience and Energy (i.e., Annual Meeting of SEG, joint with AAPG), Denver, 26 Sept - 1 Oct, 2021.
Zheglova, P., C. Farquharson and A. Malcolm, 3D radio-frequency electromagnetic wave modelling with an optimized frequency-domain finite-difference scheme, First International Meeting for Applied Geoscience and Energy (i.e., Annual Meeting of SEG, joint with AAPG), Denver, 26 Sept - 1 Oct, 2021.
Lu, X., C. Galley, P.G. Lelièvre and Colin Farquharson, Surface geometry inversion of potential field and electromagnetic geophysical data, AGU Fall Meeting, San Francisco, 1-17 December, 2020.
Galley, C., J.W. Jamieson, P.G.Lelièvre, C. Farquharson and J. Parianos, Imaging Subseafloor Hydrothermal Systems, AGU Fall Meeting, San Francisco, 1-17 December, 2020.
Long, J., and C.G. Farquharson, Meshfree modelling of 2D MT data with RBF-FD and unstructured points, SEG Annual Meeting, Houston, 11-16 October, 2020.
Lu, X., P. Lelièvre and C.G. Farquharson, Surface geometry inversion of time-domain EM data, SEG Annual Meeting, Houston, 11-16 October, 2020.
Galley, C., P. Lelièvre, C. Farquharson, J. Jamieson, A. Haroon, S. Graber, S. Petersen and F. Szitkar, Modelling the geometry of the Trans-Atlantic Geotraverse seafloor massive sulphide deposit through magnetic surface geometry inversion, SEG Annual Meeting, Houston, 11-16 October, 2020.
Lu, X., C.G. Farquharson, J.-M. Miehé and Grant Harrison, 3D finite-volume time-domain modeling of geophysical electromagnetic data on unstructured grids using potentials, SEG Annual Meeting, San Antonio, 15-20 September, 2019.
Long, J., and C.G. Farquharson, Meshfree modelling of 3-D controlled-source EM data: A new method to treat the singular source terms, SEG Annual Meeting, San Antonio, 15-20 September, 2019.
Geng, M., J.K. Welford, C.G. Farquharson and A.L. Peace, 3D joint inversion of airborne gravity gradiometry and magnetic data: A case study from Budgell Harbour Stock in northern-central Newfoundland, Canada, SEG Annual Meeting, San Antonio, 15-20 September, 2019.
Lelièvre, P., M. Darijani, C. Galley, P. Zheglova and C. Farquharson, No Magic Bullet: Three Integrated Imaging Problems, Three Solutions, IUGG General Assembly, Montréal, 8-18 July, 2019.
Hafizi, M., and C. Farquharson, Magnetic Resonance Sounding (MRS) In Chalk Formation: A Case Study of Chame Gardab (West-Iran), IUGG General Assembly, Montréal, 8-18 July, 2019.
Hafizi, M., M. Morady, B. Taheri, and C. Farquharson, LNAPL Contaminated Groundwater Pollutions around TORC, North Iran, IUGG General Assembly, Montréal, 8-18 July, 2019.
Kangazian, M., and C. Farquharson, 3D inversions of gravity and magnetotelluric data from the Howley Basin, Western Newfoundland: an assessment of basin depth and hydrocarbon potential, GAC-MAC-IAH Meeting, Québec, 12-15 May, 2019.
Vallée, M.A., W.A. Morris, S. Perrouty, R.G. Lee, K. Wasyliuk, J. King, K. Ansdell, R. Mir, P. Shamsipour, C. Farquharson, M. Chouteau, R.S. Smith, Contribution of constrained gravity and magnetic inversion to geoscience integration: lessons from the Footprints project, GAC-MAC-IAH Meeting, Québec, 12-15 May, 2019.
Lelièvre, P., C. Galley and C. Farquharson, Incorporating geological and geophysical data to determine surface-based model geometry, GAC-MAC-IAH Meeting, Québec, 12-15 May, 2019.
Lelièvre, P., C. Galley and C. Farquharson, 3D Geophysical Inversion for Surface-Based Model Geometry, EGU General Assembly, Vienna, 7-12 April 2019.
Galley, C., P. Lelièvre, C. Farquharson, J. Jamieson and J. Parianos, Applications of Voxel and Surface Geometry Magnetic Inversion in Modelling Seafloor Massive Sulphide Deposit Systems; East Manus Basin, EGU General Assembly, Vienna, 7-12 April 2019.
Geng, M., J.K. Welford, C.G. Farquharson and A.L. Peace, 3-D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock: A case history of using a probabilistic approach, SEG Annual Meeting, Anaheim, 14-19 October 2018.
Liu, W., J. Zhou, X. Li and C.G. Farquharson, 3D modeling of grounded electric-source airborne time-domain electromagnetic data using rational Krylov subspace method, SEG Annual Meeting, Anaheim, 14-19 October 2018.
Huang, X., C.G. Farquharson, C. Yin, X. Cao, B. Zhang, Y. Liu and J. Cai, A new study for airborne EM forward modeling based on the Galerkin spectral-element method, SEG Annual Meeting, Anaheim, 14-19 October 2018.
Li, J., X. Hu, S. Zeng, C.G. Farquharson and P.C. Wood, Effects of transmitting-current full waveform on transient electromagnetic responses: Insights from 3D forward modeling, SEG Annual Meeting, Anaheim, 14-19 October 2018.
Lu, X., C.G. Farquharson, J.-M. Miehé and G. Harrison, 3D finite-volume time-domain electromagnetic modeling of graphitic faults using unstructured grids, SEG Annual Meeting, Anaheim, 14-19 October 2018.
Long, J., and C.G. Farquharson, Three-dimensional magnetotelluric modelling with an RBF-based meshfree method and unstructured points, 24th EM Induction Workshop, Helsingør, Denmark, 13-20 August 2018.
Huang, X., C. Yin, C. Farquharson, X. Cao, Y. Liu, B. Zhang and J. Cai, 3D Airborne EM Forward Modelling by the Spectral-Element Method for Deformed Hexahedral Meshes, EAGE Conference and Exhibition, Copenhagen, 11-14 June 2018.
Ansari, S.M., J. Craven, E. Schetselaar and C. Farquharson, A Finite-Element Based Algorithm for 3d Magnetotelluric Inversion Using Unstructured Meshes for Complex Geological Settings, EAGE Conference and Exhibition, Copenhagen, 11-14 June 2018.
Farquharson, C., J. Long, X. Lu, and P.G. Lelièvre, Electromagnetic forward modelling for realistic Earth models using unstructured tetrahedral meshes and a meshfree approach, AGU Fall Meeting, New Orleans, 11-15 December 2017.
Farquharson, C., and P. Lelièvre, Modelling and Inversion for Mineral Exploration Geophysics: A Review of Recent Progress, the Current State-of-the-Art, and Future Directions, Exploration '17, Toronto, 22-25 October 2017. [PDF file of paper.]
Long, J., and C. Farquharson, Three-dimensional controlled-source EM modeling with radial basis function-generated finite differences: A meshless approach, SEG Annual Meeting, Houston, 24-29 September 2017.
Vallée, M., C. Farquharson, K. Byrne, R. Lee, G. Lesage, J. King, M. Chouteau, and R. Enkin, Porphyry copper alteration imaging with aeromagnetic data at Highland Valley Copper, British Columbia, Canada, SEG Annual Meeting, Houston, 24-29 September 2017.
Li, J., X. Lu, and C.G. Farquharson, A finite-element time-domain forward solver for electromagnetic methods with a complex-shape transmitting loop, SEG Annual Meeting, Houston, 24-29 September 2017.
Jahandari, H., and C.G. Farquharson, 3D inversion of magnetotelluric data using tetrahedral grids and a combined application of direct and iterative solvers, SEG Annual Meeting, Houston, 24-29 September 2017.
Geng, M., J.K. Welford, and C.G. Farquharson, 3D Gravity Inversion Using the Constrained Stochastic Method: Applications to Crustal-scale Models of Rifted Margins, EAGE Conference and Exhibition, Paris, 12-15 June 2017.
Carter-McAuslan, A.E., and C.G. Farquharson, A Method for Quantifying the Texture of Magnetic Maps through Linear Regression in a Moving Window, EAGE Conference and Exhibition, Paris, 12-15 June 2017.
Geng, M., J.K. Welford, and C.G. Farquharson, An improved 3-D constrained stochastic gravity inversion method, adapted to the crustal-scale study of offshore rifted continental margins, EGU General Assembly, Vienna, 23-28 April 2017.
Li, J., and C.G. Farquharson, A study of the transient electromagnetic responses for the Ovoid Zone massive sulfide-deposit model and for a fixed-loop configuration, International Geophysical Conference, Qingdao, 17-20 April 2017.
Long, J., and C.G. Farquharson, Geophysical electromagnetic data modelling with radial basis function generated finite differences, 6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Liu, Y., C.G. Farquharson, and C. Yin, Wavelet-based 3D inversion for frequency-domain AEM data, 6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Jones, D., C.G. Farquharson, S. Ansari, and R. Hearst, Synthesizing 3D time-domain EM data for forward modelling of uranium deposits, 6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Lu, X., C.G. Farquharson, and J. Li, 3D finite-volume time-domain electromagnetic modeling using unstructured grids, 6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Jahandari, H., and C.G. Farquharson, 3-D inversion of magnetotelluric impedance tensor and magnetic transfer function data using tetrahedral grids, 6th International Symposium in Three-Dimensional Electromagnetics, Berkeley, 28-30 March 2017.
Nalepa, M., S. Ansari, and C.G. Farquharson, Finite-element simulation of 3D CSEM data on unstructured meshes: An example from the East Coast of Canada, SEG Annual Meeting, Dallas, 16-21 October 2016.
Jahandari, H., and C.G. Farquharson, 3D minimum-structure inversion of magnetotelluric data using the finite-element method and tetrahedral grids, SEG Annual Meeting, Dallas, 16-21 October 2016.
Li, J., and C.G. Farquharson, Three-dimensional vector finite-element electromagnetic forward modeling for large loop sources with complex shapes, SEG Annual Meeting, Dallas, 16-21 October 2016.
Carter-McAuslan, A.E., and C.G. Farquharson, Predictive mapping using self-organizing maps: An example of mapping the midcontinent rift at depth, SEG Annual Meeting, Dallas, 16-21 October 2016.
Lelièvre, P.G., C.G. Farquharson, and K. Butler, Inversion for wireframe surface geometry applied to the Cocagne Subbasin, New Brunswick, Canada, SEG Annual Meeting, Dallas, 16-21 October 2016.
Dunham, M., S. Ansari, and C.G. Farquharson, Application of 3D marine CSEM finite-element forward modeling to hydrocarbon exploration in the Flemish Pass Basin offshore Newfoundland, Canada, SEG Annual Meeting, Dallas, 16-21 October 2016.
Darijani, M., and C.G. Farquharson, Synthetic modeling and joint inversion of gravity and seismic refraction data for overburden stripping in the Athabasca Basin, Canada, SEG Annual Meeting, Dallas, 16-21 October 2016.
Jones, D., S. Ansari, and C.G. Farquharson, Synthesizing time-domain electromagnetic data for graphitic fault zones and associated uranium deposits in the Athabasca Basin, Canada, SEG Annual Meeting, Dallas, 16-21 October 2016.
Zheglova, P., and C.G. Farquharson, Joint level set inversion of gravity and travel time data: Application to mineral exploration, SEG Annual Meeting, Dallas, 16-21 October 2016.
Dunham, M.W., S. Ansari, and C.G. Farquharson, Three-dimensional computer modeling of realistic marine CSEM earth models in the Flemish Pass Basin, AAPG Convention & Exhibition, Calgary, 19-22 June, 2016. [PDF file of poster (3.2M).]
Carter-McAuslan, A.E., and C.G. Farquharson, Predictive Geological Mapping of the Baie Verte Peninsula, NL, CA, Using SOM Neural Nets, EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Dunham, M.W., S. Ansari, and C.G. Farquharson, Three-dimensional Marine CSEM Forward Modelling in the Flemish Pass Basin Using Realistic Unstructured Meshes, EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., A.E. Carter-McAuslan, and C.G. Farquharson, Joint Inversion of Gravity and Seismic Tomography Data for a Magmatic Massive Sulphide Exploration Example, EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., and C.G. Farquharson, Inversion of Potential Field Data for Contact Surface Geometry, EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., and C.G. Farquharson, 3D Geologically Constrained Inversion on Unstructured Meshes for the Voisey's Bay Eastern Deeps Deposit, EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., R. Bijani, and C.G. Farquharson, Joint Inversion Using Multi-Objective Global Optimization Methods, EAGE Conference and Exhibition, Vienna, 30 May-2 June, 2016.
Lelièvre, P.G., R. Bijani, and C.G. Farquharson, Lithological and Surface Geometry Joint Inversions Using Multi-Objective Global Optimization Methods, EGU General Assembly, Vienna, 17-22 April, 2016. [PDF file of presentation (3.3M).]
Lelièvre, P.G., R. Bijani, and C.G. Farquharson, Geophysical Inversion With Multi-Objective Global Optimization Methods, EGU General Assembly, Vienna, 17-22 April, 2016.
Carter-McAuslan, A., and C.G. Farquharson, Evaluating the Quality of Predictive Geological Maps Produced using Self-Organizing Maps, EGU General Assembly, Vienna, 17-22 April, 2016.
Nalepa, M., S. Ansari, and C.G. Farquharson, Synthetic modelling of marine controlled-source electromagnetic data for hydrocarbon exploration, GeoConvention, Calgary, 7-11 March, 2016. [PDF file of poster (9M).]
Carter-McAuslan, A., and C.G. Farquharson, Predictive Mapping of the Baie Verte Peninsula using Self-Organizing Maps: A Case Study, PDAC-SEG Student Minerals Colloquium, Toronto, 5 March 2016.
Darijani, M., and C.G. Farquharson, Synthetic modelling and joint inversion of seismic and gravity data for overburden stripping in the Athabasca Basin, PDAC-SEG Student Minerals Colloquium, Toronto, 5 March 2016. [PDF file of poster (2M).]
Jones, D., S. Ansari and C.G. Farquharson, Synthesizing 3D Time-Domain Electromagnetic Geophysical Forward Models for Uranium Exploration in the Athabasca Basin, PDAC-SEG Student Minerals Colloquium, Toronto, 5 March 2016. [PDF file of poster (2M).]
Lelièvre, P.G., R. Bijani, and C.G. Farquharson, Joint Geophysical Inversion With Multi-Objective Global Optimization Methods, AGU Fall Meeting, San Francisco, 14-18 December, 2015.
María de los Ángeles García Juanatey, P.G. Lelièvre, C. Juhlin, and C.G. Farquharson, Joint and constrained inversions in a complex geological setting, example from the Skellefte District, AGU Fall Meeting, San Francisco, 14-18 December, 2015.
Ansari, S., C.G. Farquharson, and S. MacLachlan, Gauged vector finite-element schemes for the geophysical EM problem for unique potentials and fields, SEG Annual Meeting, New Orleans, 18-23 October 2015. [PDF file of talk (71M).]
Jahandari, H., and C.G. Farquharson, Finite-volume modeling of geophysical electromagnetic data using potentials on unstructured staggered grids, SEG Annual Meeting, New Orleans, 18-23 October 2015. [PDF file of talk (9M).]
Lelièvre, P.G., C.G. Farquharson, and R. Bijani, 3D potential field inversion for wireframe surface geometry, SEG Annual Meeting, New Orleans, 18-23 October 2015. [PDF file of talk (7M).]
Li, J., and C.G. Farquharson, Two effective inverse Laplace transform algorithms for computing time-domain electromagnetic responses, SEG Annual Meeting, New Orleans, 18-23 October 2015. [PDF file of e-poster (2M).]
Lelièvre, P.G., C.G. Farquharson, and R. Bijani, Integrating geological model surfaces into 3D geophysical inversions, 13th SGA Biennial Meeting, Nancy, 24-27 August 2015.
Carosio, G.L.C., T.D. Humphries, R.D. Haynes, and C.G. Farquharson, A Closer Look At Differential Evolution For The Optimal Well Placement Problem, Genetic and Evolutionary Computation Conference (GECCO 2015), Madrid, 11-15 July 2015.
Lelièvre, P., C. Farquharson, and R. Bijani, 3D stochastic geophysical inversion for contact surface geometry, EGU General Assembly, Vienna, 12-17 April 2015. [PDF file of presentation (10M).]
María de los Ángeles García Juanatey, P. Lelièvre, C. Juhlin, and C. Farquharson, Joint and constrained inversions in the Skellefte District, EGU General Assembly, Vienna, 12-17 April 2015. [PDF file of poster (15M).]
Carter-McAuslan, A., P.G. Lelièvre, and C.G. Farquharson, Predictive mapping with Self-Organising Maps: A Synthetic Study, PDAC-SEG Student Minerals Colloquium, Toronto, 2 March 2015. [PDF file of poster (12M).]
Belliveau, P., C. Farquharson, and R. Haynes, ArjunAir: Updating and parallelizing an existing time domain electromagnetic inversion program, SEG Annual Meeting, Denver, 26-31 October 2014. [PDF file of poster (0.4M).]
Ansari, S., and C.G. Farquharson, A Potential Method for Three-dimensional Numerical Modeling of Geophysical Electromagnetic Problems, EAGE Conference and Exhibition, Amsterdam, 16-19 June, 2014. [PDF file of talk (75M).]
Jahandari, H., and C.G. Farquharson, Forward Modelling of Geophysical Electromagnetic Data on Unstructured Grids Using a Finite-volume Approach, EAGE Conference and Exhibition, Amsterdam, 16-19 June, 2014. [PDF file of talk (16M).]
Farquharson, C.G., P.G. Lelièvre, S. Ansari, and H. Jahandari, Towards Real Earth Models -- Computational Geophysics on Unstructured Tetrahedral Meshes?, EAGE Conference and Exhibition, Amsterdam, 16-19 June, 2014. [PDF file of talk (18M).]
Lelièvre, P.G., and C.G. Farquharson, 3D Geophysical Inversion for Contact Surfaces, EGU General Assembly, Vienna, 27 April - 2 May 2014. [PDF file of poster (2M).]
Carter-McAuslan. A., P.G. Lelièvre, and C.G. Farquharson, Joint Inversion of Gravity and Seismic Tomography Data for Modelling Magmatic Massive Sulphide Bodies, EGU General Assembly, Vienna, 27 April - 2 May 2014. [PDF file of poster (8M).]
Darijani, M., and C.G. Farquharson, Differentiating gravity responses of glacial sediment cover and mineralization in the Athabasca Basin using constrained and joint inversion, PDAC-SEG Student Minerals Colloquium, Toronto, 3 March 2014.
Jahandari, H., and C.G. Farquharson, A finite-volume solution to the geophysical electromagnetic forward problem using unstructured grids, SEG Annual Meeting, Houston, 22-27 September 2013. [PDF file of talk (15M).]
Ansari, S., and C.G. Farquharson, Numerical modeling of geophysical electromagnetic inductive and galvanic phenomena, SEG Annual Meeting, Houston, 22-27 September 2013. [PDF file of talk (44M).]
Jahandari, H., and C.G. Farquharson, Finite volume modelling of electromagnetic data using unstructured staggered grids, 3DEM-5 5th International Symposium on Three-Dimensional Electromagnetics, Sapporo, 7-9 May 2013. [PDF file of talk (11M).]
Ansari, S., and C.G. Farquharson, Three dimensional modeling of controlled-source electromagnetic response for inductive and galvanic components, 3DEM-5 5th International Symposium on Three-Dimensional Electromagnetics, Sapporo, 7-9 May 2013. [PDF file of poster (29M).]
Lelièvre, P.G., C.G. Farquharson, and C.J. Tycholiz, Integrating geological constraints into 3D geophysical inversions using unstructured meshes, EGU General Assembly, Vienna, 7-12 April 2013.
Carter-McAuslan. A., P.G. Lelièvre, and C.G. Farquharson, Gravity and Seismic Tomography Joint Inversion: A synthetic study modelling magmatic massive sulphide type bodies, EGU General Assembly, Vienna, 7-12 April 2013. [PDF file of poster (3M).]
Carter-McAuslan, A., P.G. Lelièvre, and C.G. Farquharson, Joint inversion of seismic traveltime and gravity data: A synthetic study using geologically realistic models from the Voisey's Bay deposit, AGU Fall Meeting, San Francisco, 3-7 December, 2012.
Lelièvre, P.G., C.J. Tycholiz, and C.G. Farquharson, Constrained geophysical inversion on unstructured meshes, SEG Annual Meeting, Las Vegas, 4-9 November, 2012.
Lelièvre, P.G., P. Zheglova, T. Danek, and C.G. Farquharson, Geophysical inversion for contact surfaces, SEG Annual Meeting, Las Vegas, 4-9 November, 2012.
Zheglova, P., and C.G. Farquharson, Level set method in seismic inversion: 2D reconstruction of boundaries, SEG Annual Meeting, Las Vegas, 4-9 November, 2012. [PDF file of poster (1M).]
Ansari, S., and C.G. Farquharson, Three dimensional finite-element forward modelling of electromagnetic data using potentials and unstructured meshes, SEG Annual Meeting, Las Vegas, 4-9 November, 2012. [PDF file of mini version of poster (*100M*).]
Lelièvre, P.G., A. Carter-McAuslan, C.J. Tycholiz, C.G. Farquharson, and C.A. Hurich, Unstructured grid modelling to create 3D Earth models that unify geological and geophysical information, GAC-MAC Joint Annual Meeting, St. John's, 27-29 May 2012. [PDF file of talk (2.7M).]
Tycholiz, C.J., P.G. Lelièvre, and C.G. Farquharson, Geologically constrained inversion of airborne gravity gradiometer data using unstructured tetrahedral meshes, GAC-MAC Joint Annual Meeting, St. John's, 27-29 May 2012.
Carter-McAuslan, A., P.G. Lelièvre, G. Blades, and C.G. Farquharson, Testing joint inversion code with geologically realistic models, GAC-MAC Joint Annual Meeting, St. John's, 27-29 May 2012. [PDF file of talk (8.5M).]
Lelièvre, P.G., A. Carter-McAuslan, C.J. Tycholiz, C.G. Farquharson, and C.A. Hurich, Refining 3D Earth models by unifying geological and geophysical information on unstructured meshes, EGU General Assembly, Vienna, 22-27 April, 2012.
Lelièvre, P.G., P. Zheglova, T. Danek, and C.G. Farquharson, Parameterization of the Earth's subsurface to flexibly emphasize distinct rock units, EGU General Assembly, Vienna, 22-27 April, 2012. [PDF file of poster (1.2M).]
Danek, T., M. Wojdyla, and C.G. Farquharson, Bayesian inversion of geophysical data using combined particle swarm optimization and Metropolis sampling, EGU General Assembly, Vienna, 22-27 April, 2012.
Lelièvre, P.G., A. Carter-McAuslan, C.J. Tycholiz, C.G. Farquharson, and C.A. Hurich, Refining 3D Earth models through constrained joint inversion on flexible unstructured meshes, KEGS-DMEC Geophysical Symposium, Toronto, 3 March, 2012. [PDF file of talk (4.2M).]
Ansari, S., and C.G. Farquharson, 3D finite-element simulation of electromagnetic data for inductive and galvanic components, SEG Annual Meeting, San Antonio, 18-23 September, 2011.
Jahandari, H., and C.G. Farquharson, Forward modelling of gravity data for unstructured grids using the finite-volume method, SEG Annual Meeting, San Antonio, 18-23 September, 2011.
Farquharson, C.G., P.G. Lelièvre, and C.A. Hurich, Unified geophysical and geological 3-D Earth models, EGU General Assembly, Vienna, 3-8 April, 2011. [PDF file of talk (1.2M).]
Ansari, S., and C.G. Farquharson, 3D Finite-element Simulation of Controlled-source EM problems Using Edge and Nodal Interpolation functions, EGU General Assembly, Vienna, 3-8 April, 2011.
Martí, A., P. Queralt, J. Ledo, and C.G. Farquharson, Electrical anisotropy: dimensionality imprints in magnetoteluric responses and effects in isotropic inversion, EGU General Assembly, Vienna, 3-8 April, 2011.
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich, Inversion of First-Arrival Seismic Traveltimes on 3D Unstructured Grids Without Ray Tracing, Fall Meeting, AGU, San Francisco, Calif., 13-17 December, 2010.
Farquharson, C.G., P.G. Lelièvre, and C.A. Hurich, Joint inversion of seismic traveltimes and gravity data on unstructured grids with application to mineral exploration, Fall Meeting, AGU, San Francisco, Calif., 13-17 December, 2010.
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich, Joint inversion of seismic traveltimes and gravity data on unstructured grids with application to mineral exploration, SEG Annual Meeting, Denver, 17-22 October, 2010. [PDF file of talk (5.9M).]
Drew, M.C., C.G. Farquharson, and J.A. Craven, Three-dimensional modelling of the Nechako Basin magnetotelluric data set, 20th International Workshop on Electromagnetic Induction in the Earth, Giza, Egypt, 18-24 September 2010. [PDF file of the poster (34M).]
Lelièvre, P.G., C.G. Farquharson, and C.A. Hurich, Joint inversion of seismic travel times and gravity data on 3D unstructured grids with application to mineral exploration, EGU General Assembly, Vienna, 2-7 May, 2010. [PDF file of talk (4.0M).]
Farquharson, C.G., 3-D finite-element modelling of magnetotelluric data with a static divergence correction, AGU-CGU-etc. Joint Assembly, Toronto, 24-27 May 2009. [PDF file of talk (1.4M).]
Mosher, C.R.W., C.G. Farquharson, and C.A. Hurich, Minimum-structure borehole gravity inversion, 78th Annual Meeting of the Society of Exploration Geophysicists, Las Vegas, Nevada, 9-14 November 2008.
Farquharson, C.G., Three-dimensional inversion of gravity data for blocky models using a minimum-structure algorithm and general measures, KEGS Workshop on Geophysical Inversion, Toronto, 3 March 2007. [PDF file of talk (800k).]
Miller, H.G., M.R. Ash, M. Wheeler, and C.G. Farquharson, Constrained inversion of gravity and magnetic data: a real time exploration tool?, KEGS Workshop on Geophysical Inversion, Toronto, 3 March 2007. [PDF file of talk (1.8M).]
Ash, M.R., M. Wheeler, H.G. Miller, C.G. Farquharson, and A.V. Dyck, Constrained three-dimensional inversion of potential field data from the Voisey's Bay Ni-Cu-Co deposit, Labrador, Canada, 76th Annual Meeting of the Society of Exploration Geophysicists, New Orleans, Louisiana, 1-6 October 2006. [PDF files 1 & 2 of poster (2.5 & 7.0M).]
Farquharson, C.G., Constructing piecewise-constant models in multi-dimensional minimum-structure inversions, 76th Annual Meeting of the Society of Exploration Geophysicists, New Orleans, Louisiana, 1-6 October 2006. [PDF file of talk (2.2M).]
Craven, J.A., C.G. Farquharson, R.L. Mackie, W. Siripunvaraporn, V. Tuncer, and M.J. Unsworth, A comparison of two- and three-dimensional modelling of audiomagnetotelluric data collected at the world's richest uranium mine, Saskatchewan, Canada, 18th International Workshop on Electromagnetic Induction in the Earth, El Vendrell, Spain, 17-23 September 2006. [PDF file of poster (1.9M).]
Farquharson, C.G., Blocky models in minimum-structure inversions, 18th International Workshop on Electromagnetic Induction in the Earth, El Vendrell, Spain, 17-23 September 2006. [PDF file of poster (0.5M).]
Burgi, H.A., and C.G. Farquharson. Modelling of induced polarization effects in time-domain electromagnetic data from a glacier in Svalbard, Norway, Annual Meeting of the Canadian Geophysical Union, Banff, Alberta, 14-17 May 2006. [PDF file of talk.]
Farquharson, C.G., and Ken Witherly. Quantitative interpretation of airborne and ground geophysical electromagnetic data for groundwater investigations, Annual Meeting of the Canadian Geophysical Union, Banff, Alberta, 14-17 May 2006. [PDF file of talk.]
Farquharson, C.G., D.W. Oldenburg and P. Kowalczyk. Three-dimensional inversion of magnetotelluric data from the Turquoise Ridge mine, Nevada, 74th Meeting of the Society of Exploration Geophysicists, Denver, Colorado, 10-15 October 2004.
Cristall, J., C.G. Farquharson and D.W. Oldenburg. Inversion of Airborne Electromagnetic Data: Application to Oil Sands Exploration, The 2004 Joint Assembly of the CGU, AGU, SEG and EEGS, Montréal, PQ, 17-21 May 2004. [PDF file of talk.]
Farquharson, C.G., K. Duckworth and D.W. Oldenburg. Comparison of integral equation and physical scale modelling of the electromagnetic response of models with large conductivity contrasts, Annual Meeting of the Canadian Geophysical Union, Banff, Alberta, 11-14 May 2003. [PDF file of talk.]
Farquharson, C.G., and D.W. Oldenburg. Constructing piece-wise-constant models using general measures in non-linear, minimum-structure inversion algorithms, 6th International Symposium of the Society of Exploration Geophysicists of Japan, Tokyo, 22-24 January 2003. [Expanded abstract.]
Farquharson, C.G., D.W. Oldenburg, E. Haber and R. Shekhtman. An algorithm for the three-dimensional inversion of magnetotelluric data, 72nd Meeting of the Society of Exploration Geophysicists, Salt Lake City, Utah, 6-11 October 2002. [PDF file of talk; expanded abstract.]

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Last update: 13th August 2022.