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Colin G. Farquharson
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Journal Article

Surface geometry inversion of transient electromagnetic data

Xushan Lu, Colin G. Farquharson, Peter Lelièvre
Journal: Geophysics
Published: 13 June 2024
Geophysics (2024) 89 (4): E177–E192.
DOI: https://doi.org/10.1190/geo2023-0566.1
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Trial-and-error modeling of ground-airborne electromagnetic data in the Yishu Faulting Basin, China

Ming Zhang, Colin G. Farquharson, Tingting Lin
Journal: Geophysics
Published: 22 February 2024
Geophysics (2024) 89 (2): B173–B186.
DOI: https://doi.org/10.1190/geo2022-0452.1
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Forward modeling of direct-current resistivity data on unstructured grids using an adaptive mimetic finite-difference method

Hormoz Jahandari, Peter Lelièvre, Colin G. Farquharson
Journal: Geophysics
Published: 12 June 2023
Geophysics (2023) 88 (4): E123–E134.
DOI: https://doi.org/10.1190/geo2022-0438.1
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High-resolution imaging of subsurface infrastructure using deep learning artificial intelligence on drone magnetometry

Souvik Mukherjee, Ronald S. Bell, William N. Barkhouse, Santi Adavani, Peter G. Lelièvre, Colin G. Farquharson
Journal: The Leading Edge
Published: 01 July 2022
The Leading Edge (2022) 41 (7): 462–471.
DOI: https://doi.org/10.1190/tle41070462.1
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A Random Forest approach to predict geology from geophysics in the Pontiac subprovince, Canada

Mehrdad Darijani, Colin G. Farquharson, Stéphane Perrouty
Published: 16 May 2022
Canadian Journal of Earth Sciences (2022) 59 (8): 489–503.
DOI: https://doi.org/10.1139/cjes-2021-0089
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Two-dimensional anisotropic magnetotelluric inversion using a limited-memory quasi-Newton method

Guo Yu, Colin G. Farquharson, Qibin Xiao, Man Li
Journal: Geophysics
Published: 11 November 2021
Geophysics (2022) 87 (1): E13–E34.
DOI: https://doi.org/10.1190/geo2020-0488.1
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3D electromagnetic modeling of graphitic faults in the Athabasca Basin using a finite-volume time-domain approach with unstructured grids

Xushan Lu, Colin G. Farquharson, Jean-Marc Miehé, Grant Harrison
Journal: Geophysics
Published: 24 September 2021
Geophysics (2021) 86 (6): B349–B367.
DOI: https://doi.org/10.1190/geo2020-0657.1
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A 3D forward-modeling approach for airborne electromagnetic data using a modified spectral-element method

Xin Huang, Colin G. Farquharson, Changchun Yin, Liangjun Yan, Xiaoyue Cao, Bo Zhang
Journal: Geophysics
Published: 03 September 2021
Geophysics (2021) 86 (5): E343–E354.
DOI: https://doi.org/10.1190/geo2020-0004.1
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Normalized vertical derivatives in the edge enhancement of maximum-edge-recognition methods in potential fields

Yingjie Zhu, Wanyin Wang, Colin G. Farquharson, Jinming Huang, Minghua Zhang, Min Yang, Dingding Wang
Journal: Geophysics
Published: 10 June 2021
Geophysics (2021) 86 (4): G23–G34.
DOI: https://doi.org/10.1190/geo2020-0165.1
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Joint and constrained inversion of magnetic and gravity data: A case history from the McArthur River area, Canada

Mehrdad Darijani, Colin G. Farquharson, Peter G. Lelièvre
Journal: Geophysics
Published: 22 February 2021
Geophysics (2021) 86 (2): B79–B95.
DOI: https://doi.org/10.1190/geo2019-0818.1
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3D finite-volume time-domain modeling of geophysical electromagnetic data on unstructured grids using potentials

Xushan Lu, Colin G. Farquharson
Journal: Geophysics
Published: 22 October 2020
Geophysics (2020) 85 (6): E221–E240.
DOI: https://doi.org/10.1190/geo2020-0088.1
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Geophysical inversion for 3D contact surface geometry

Christopher G. Galley, Peter G. Lelièvre, Colin G. Farquharson
Journal: Geophysics
Published: 21 October 2020
Geophysics (2020) 85 (6): K27–K45.
DOI: https://doi.org/10.1190/geo2019-0614.1
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Inversion of magnetic and frequency-domain electromagnetic data for investigating lithologies associated with gold mineralization in the Canadian Malartic area, Québec, Canada

Mehrdad Darijani, Colin G. Farquharson
Published: 20 August 2020
Canadian Journal of Earth Sciences (2021) 58 (5): 413–432.
DOI: https://doi.org/10.1139/cjes-2020-0092
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Clustering and constrained inversion of seismic refraction and gravity data for overburden stripping: Application to uranium exploration in the Athabasca Basin, Canada

Mehrdad Darijani, Colin G. Farquharson, Peter G. Lelièvre
Journal: Geophysics
Published: 13 June 2020
Geophysics (2020) 85 (4): B133–B146.
DOI: https://doi.org/10.1190/geo2019-0525.1
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Effects of full transmitting-current waveforms on transient electromagnetics: Insights from modeling the Albany graphite deposit

Sihong Zeng, Xiangyun Hu, Jianhui Li, Colin G. Farquharson, Peter C. Wood, Xushan Lu, Ronghua Peng
Journal: Geophysics
Published: 05 June 2019
Geophysics (2019) 84 (4): E255–E268.
DOI: https://doi.org/10.1190/geo2018-0573.1
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Gravity modeling for crustal-scale models of rifted continental margins using a constrained 3D inversion method

Meixia Geng, J. Kim Welford, Colin G. Farquharson, Xiangyun Hu
Journal: Geophysics
Published: 31 May 2019
Geophysics (2019) 84 (4): G25–G39.
DOI: https://doi.org/10.1190/geo2018-0134.1
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3D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock, Newfoundland: A case history using a probabilistic approach

Meixia Geng, J. Kim Welford, Colin G. Farquharson, Alexander L. Peace
Journal: Geophysics
Published: 28 May 2019
Geophysics (2019) 84 (4): B269–B284.
DOI: https://doi.org/10.1190/geo2018-0407.1
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Geophysical inversion contributions to mineral exploration: lessons from the Footprints project

Marc A. Vallée, William A. Morris, Stéphane Perrouty, Robert G. Lee, Ken Wasyliuk, Julia J. King, Kevin Ansdell, Reza Mir, Pejman Shamsipour, Colin G. Farquharson, Michel Chouteau, Randolph J. Enkin, Richard S. Smith
Published: 18 April 2019
Canadian Journal of Earth Sciences (2019) 56 (5): 525–543.
DOI: https://doi.org/10.1139/cjes-2019-0009
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3D gravity inversion with optimized mesh based on edge and center anomaly detection

Min Yang, Wanyin Wang, J. Kim Welford, Colin G. Farquharson
Journal: Geophysics
Published: 29 March 2019
Geophysics (2019) 84 (3): G13–G23.
DOI: https://doi.org/10.1190/geo2018-0390.1
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Spectral-element method with arbitrary hexahedron meshes for time-domain 3D airborne electromagnetic forward modeling

Xin Huang, Changchun Yin, Colin G. Farquharson, Xiaoyue Cao, Bo Zhang, Wei Huang, Jing Cai
Journal: Geophysics
Published: 08 January 2019
Geophysics (2019) 84 (1): E37–E46.
DOI: https://doi.org/10.1190/geo2018-0231.1
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