Martyn Unsworth : Recent publications

Review papers

  • Unsworth MJ, Magnetotelluric studies of active continent-continent collisions, Surveys in Geophysics, 31, 137-161, 2010. (PDF)
  • Unsworth MJ and S Rondenay, Mapping the distribution of fluids in the crust and lithospheric mantle utilizing geophysical methods, in Metasomatism and Metamorphism: The Role of Fluids in Crustal and Upper Mantle Processes, Springer-Verlag, 2012. (PDF)

Geothermal energy

  • Majorowicz JA, MJ Unsworth et al, Geothermal Energy as a Source of Heat for Oil Sands Processing in Northern Alberta, Canada, AAPG studies in Geology, 64, Chapter 27, 2012. (PDF)

  • Gray DA, Majorowicz JA, MJ Unsworth, Investigation of the geothermal state sedimentary basins using oil industry thermal data: case study from Northern Alberta exhibiting the need to systematically remove biased data, Journal of Geophysics and Engineering, 9, 534-548, 2012. (PDF)


  • Singer et al, Dynamics of a large, restless, rhyolitic magma system at Laguna del Maule, southern Andes, Chile GSA Today,4-10 24(12), 2014. (PDF)

  • Comeau et al, Magnetotelluric images of magma distribution beneath Volcán Uturuncu, Bolivia: Implications for magma dynamics Geology,243-246 43, 2015. (PDF)

Tibet and the Himalaya

  • Zhao G, Unsworth, MJ et al.,Crustal structure and rheology of the Longmenshan and Wenchuan Mw = 7.9 earthquake epicentral area from magnetotelluric data, Geology, 3 1139 - 1142, 2012. (PDF)
  • Jamieson R, Unsworth MJ et al., Crustal melting and the flow of mountains, Elements, 7 253-260, 2011 (PDF)
  • Bai D, Unsworth MJ et al., Crustal deformation of the eastern Tibetan plateau revealed by magnetotelluric imaging, Nature Geoscience, 3 358 - 362, 2010. (PDF)
  • Unsworth MJ et al., Crustal rheology of the Himalaya and Southern Tibet inferred from magnetotelluric data, Nature, 438, 78-81, 2005. (PDF)
  • Unsworth MJ, W Wei, AG Jones, S Li, PA Bedrosian, JR Booker, S Jin, and M Deng, Crustal and upper mantle structure of Northern Tibet imaged with magnetotelluric data, J. Geophys. Res., 109, doi:10.1029/2002JB002305, 2004 (PDF)
  • Solon K, AG Jones, KD Nelson, MJ Unsworth, W Wei, H Tan, S Jin, M Deng, JR Booker, S Li, PA Bedrosian, 2005. Structure of the crust in the vicinity of the Banggong-Nujiang suture central Tibet from INDEPTH magnetotelluric data, Journal of Geophysical Research, 110, B10102, doi: 10.1029/2003JB002405, 2005 (PDF)
  • Arora B, MJ Unsworth, G Rawat, Deep resistivity structure of the Northwest Indian Himalaya and its tectonic implications, Geophysical Research Letters, 34, L04307, doi:10.1029/2006GL029165, 2007 (PDF)

Tectonics of China

  • Dong Z, Tang J, MJ Unsworth, Chen X , Electrical resistivity structure of the upper mantle beneath Northeastern China: Implications for rheology and the mechanism of craton destruction, Journal of Asian Earth Sciences, 100 115 - 131, 2015. (PDF)


  • Turkoglu E, MJ Unsworth, D Pana, Deep electrical structure of northern Alberta (Canada): implications for diamond exploration, Canadian Journal of Earth Sciences, 46, 139-154, 2009 (PDF)

  • Nieuwenhuis G, MJ Unsworth, D Pana, J Craven, E Bertrand, Three-dimensional resistivity structure of Southern Alberta, Canada: implications for Precambrian tectonics, Geophysical Journal International, published online March 2014 (PDF)

  • Yin Y G, MJ Unsworth, MV Liddell, D Pana, J Craven, Electrical resistivity structure of the Great Slave Lake shear zone,northwest Canada: implications for tectonic history, Geophysical Journal International, 199 178-199, 2014 (PDF)

Canadian Cordillera and Cascadia Subduction zone

  • Soyer W, and MJ Unsworth, Deep electrical structure of the northern Cascadia subduction zone (British Columbia, Canada): implications for the role of fluids, Geology, 34, 53-56, 2006 (PDF)

  • Rippe D, MJ Unsworth and CA Currie, Magnetotelluric constraints on the fluid content of the upper mantle beneath the southern Canadian Cordillera: implications for rheology, Journal of Geophysical Research, 118, doi:10.1002/jgrb.50255, 2013 (PDF)

  • Wannamaker PW, RL Evans, PA Bedrosian, MJ Unsworth, V Maris, RS McGary, Segmentation of plate coupling, fate of subduction fluids, and modes of arc magmatism in Cascadia, inferred from magnetotelluric resistivity,G-cubed, 15, 4230-4253, doi:10.1002/2014GC005509, 2014 (PDF)


  • Bertrand EA, MJ Unsworth, CW Chiang, CS Chen, CC Chen, FT Wu, E Turkoglu, HL Hsu, G Hill, Magnetotelluric evidence for thick skinned tectonics in Central Taiwan Geology, 37, 711-714, 2009 (PDF)

  • Chiang, CW, MJ Unsworth, CS Chen, CC Chen, A Lin, HL Hsu,Fault zone resistivity structure and monitoring at the Taiwan Chelungpu Drilling Project (TCDP) Terr. Atmos. Ocean. Sci.,, 19, 473-479, 2009 (PDF)

  • Bertrand EA, MJ Unsworth, CW Chiang, CS Chen, CC Chen, FT Wu, E Turkoglu, HL Hsu , G Hill, Magnetotelluric imaging beneath the Taiwan orogen: An arc-continent collision, Journal of Geophysical Research , 117, B01402, doi:10.1029/2011JB008688, 2012 (PDF)

Eastern Anatolia

  • Turkoglu E, MJ Unsworth, I Caglar, V Tuncer, U Avsar, Lithospheric structure of the Arabia-Eurasia collision zone in Eastern Anatolia : MT evidence for widespread weakening by fluids? Geology, 36, 619-622, 2008 (PDF)
  • Avsar U, Turkoglu E, MJ Unsworth, I Caglar, B Kaypak, Geophysical Images of the North Anatolian Fault Zone in the Erzincan Basin, Eastern Turkey, and their Tectonic Implications, Pure and Applied Geophysics , 170, 409-431, 2013 (PDF)
  • Turkoglu E, MJ Unsworth, F Bulut, I Caglar, Crustal structure of the North Anatolian and East Anatolian Fault Systems from magnetotelluric data, Physics of the Earth and Planetary Interiors, 241, 1-14, 2015 (PDF)

Great Basin

  • Wannamaker PE, DP Hasterok, JM Johnston, JA Stodt, DB Hall, TL Sodergren, L Pellerin, V Maris, WM Doerner, and MJ Unsworth, Lithospheric dismemberment and magmatic processes of the Great Basin–Colorado Plateau transition, Utah, implied from magnetotellurics, G-cubed,, 9(5),Q05019, 2008 (PDF)

Environmental Geophysics

  • Unsworth MJ, X Lu and MD Watts, CSAMT exploration at Sellafield: characterizaton of a potential radioactive waste disposal site, Geophysics, 65, 1070-1079, 2000 (PDF)

  • Unsworth MJ, W Soyer, V Tuncer, A Wagner, D Barnes, Hydrogeological assessment of the Amchitka Island Nuclear test site (Alaska) with magnetotellurics, Geophysics, 72, B47-B57, 2007 (PDF)

San Andreas Fault

  • Bedrosian et al., Geophysical images of the creeping segment of the San Andreas fault, Tectonophysics , 2004 (PDF)
  • Unsworth MJ and PA Bedrosian, Electrical resistivity structure at the SAFOD site, Geophysical Research Letters , 31, L12S05 doi:10.1029/2003GL019405, 2004 (PDF)

Uranium exploration in the Athabasca Basin

  • Tuncer V, MJ Unsworth, W Siripunvaraporn, JA Craven, Exploration for unconformity-type uranium deposits with audio-magnetotelluric data: A case study from the McArthur River Mine, Saskatchewan (Canada), Geophysics, 71, B201-B209, 2006, (PDF)

Hydrocarbon exploration in the Rocky Mountain Foothills

  • Unsworth MJ, New Developments in conventional hydrocarbon exploration with EM methods, CSEG recorder, 2005 (PDF)
  • Xiao W, and MJ Unsworth, Structural imaging in the Rocky Mountain Foothills (Alberta) using magnetotelluric exploration, AAPG Bulletin , 90, 321-333, 2006 (PDF)

Chicxulub Impact Crater, Mexico

  • Unsworth et al., Crustal structure of the Chicxulub Impact Crater imaged with magnetotelluric exploration, GRL, 2002 (PDF)
  • Campos et al., Shallow crustal structure of Chicxulub impact crater imaged with seismic, gravity and MT data : inferences about the central uplift, GJI, 2004 (PDF) .

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