Articles in peer-reviewed journals
7. Thiessen, E.J., Gibson, H.D., Pehrsson, S.J., & Regis, D. (2022) A lithospheric-scale Arrowsmith (2.4 Ga) detachment system with major Trans-Hudson (1.8 Ga) reactivation documented in the Howard Lake shear zone, Rae craton, Canada. Precambrian Research, v. 376, 106683. 6. Regis, D., Pehrsson, S.J., Martel, E., Thiessen, E.J., Peterson, T., & Kellett, D. (2021) Post-1.9 Ga evolution of the south Rae craton (Northwest Territories, Canada): A Paleoproterozoic orogenic collapse system. Precambrian Research, v. 355, 106105 5. Neil, B.J.C., Gibson, H.D., Pehrsson, S.J., Martel. E., Thiessen, E.J., & Crowley, J.L. (2020) Provenance, stratigraphic and precise depositional age constraints for an outlier of the 1.9 to 1.8 Ga Nonacho Group, Rae craton, Northwest Territories, Canada. Precambrian Research, v. 352, 105999. 4. Thiessen, E.J., Gibson, H.D., Regis, D., Pehrsson, S.J., Ashley, K., and Smit, M. (2020) The distinct metamorphic stages and structural styles of the 1.94—1.86 Ga Snowbird Orogen, Northwest Territories, Canada. Journal of Metamorphic Geology, http://dx.doi.org/10.1111/jmg.12556 3. Thiessen, E.J., Gibson, H.D., Regis, D., Pehrsson, S.J., Cutts, J.A., and Smit, M. (2019) High-grade metamorphism flying under the radar of accessory minerals. Geology, https://doi.org/10.1130/G45979.1 2. Thiessen, E.J., Gibson, H.D., Regis, D., and Pehrsson, S.J. (2018) Deformation and extensional exhumation of Paleoproterozoic high-pressure granulites along the Wholdaia Lake shear zone, south Rae craton, Northwest Territories. Lithosphere, https://doi.org/10.1130/L704.1 1. Thiessen, E. J., Gleeson, S. A., Bennett, V., and Creaser, R. A. (2016) The Tiger Deposit: A Carbonate-Hosted, Magmatic-Hydrothermal Gold Deposit, Central Yukon, Canada. Economic Geology, 111(2), 421-446. Other peer-reviewed contributions (non-journal articles) Martel, E., Pehrsson, S., Regis, D., Thiessen, E., Jamison, D., Percival, J., Pierce, K., & Acosta-Góngora, P. (2020) Geology of the McCann Lake area, South Rae Craton, Northwest Territories (NTS 75G); Northwest Territories Geological Survey, NWT Open File 2020–02, 1 map, 1:250 000 scale, and digital files. Martel, E., Pehrsson, S., Regis, D., Thiessen, E., Jamison, D., Percival, J., Pierce, K., & Acosta-Góngora, P. (2020) Geology of the Rennie Lake area, South Rae Craton, Northwest Territories (NTS 75H); Northwest Territories Geological Survey, NWT Open File 2020–03, 1 map, 1:250 000 scale, and digital files. Martel, E., Pehrsson, S., Jamison, D., Thiessen, E., Pierce, K., Acosta-Góngora, P., & Davis, W. (2020) Geology of the Abitau Lake area, South Rae Craton, Northwest Territories (NTS 75B); Northwest Territories Geological Survey, NWT Open File 2020–01, 1 map, 1:250 000 scale, and digital files. Martel, E., Pehrsson, S., Thiessen, E., Jamison, D., Pierce, K., Acosta-Góngora, P., & Davis, W. (2020) Geology of the Wholdaia Lake area, South Rae Craton, Northwest Territories (NTS 75A); Northwest Territories Geological Survey, NWT Open File 2020–04, 1 map, 1:250 000 scale, and digital files. E.J. Thiessen, D.R. Regis, and H.D. Gibson. (2017) U-Pb zircon geochronology of the Paleoproterozoic Wholdaia Lake shear zone, south Rae craton, Northwest Territories, Canada; Geological Survey of Canada, Open File 8193. J.A. Percival, E. Martel, S.J. Pehrsson, P. Acosta-Gongora, D. Regis, E. Thiessen, D. Jamison, B. Neil, and B. Knox. (2016) Report of 2016 Activities for the Geologic and Metallogenic Framework of the South Rae Craton, Southeast NWT: GEM 2 South Rae Quaternary and Bedrock Project; Geological Survey of Canada, Open File 8142. Xp. doi:10.4095/x. Pehrsson, S.J., Campbell, J.E., Martel, E., McCurdy, M.W., Agosta-Gongora, P., Theissen, E., Jamieson, D., Lauzon, G., Buller, G., Falck, H., and Dyke, A.S., (2015) Report of 2015 Activities for the Geologic and Metallogenic Framework of the South Rae Craton, Southeast Northwest Territories: GEM 2 South Rae Quaternary and Bedrock Project; Geological Survey of Canada, Open File 7958, 24 p. doi:10.4095/297387. Thiessen, E. J., Gleeson, S. A., Dufrane, S. A., Carne, R. C., and Dumala, M. (2011) Upper age constraint and paragenesis of the Tiger zone, Rau property, central Yukon. Yukon Exploration and Geology, 151-164. Talks Thiessen, E.J. (Mar. 2022). Utilizing petrochronology to reveal the polycyclic deformation history of the Howard Lake shear zone and evolution of south Rae craton architecture. Oral presentation at GAC-MAC annual national meeting, Halifax, NS. Thiessen, E.J. (Mar. 2019). Resolving polymetamorphism in the south Rae craton, NWT. Seminar talk at SFU graduate research symposium. Thiessen, E.J., Gibson, H.D., Regis, D., Pehrsson, S.J., and Smit, M.A. (August 2018). Decoupling of U-Pb zircon and Lu-Hf garnet dates during high-pressure metamorphism in the Snowbird Tectonic Zone, Northwest Territories, Canada. Oral presentation at Goldschmidt annual international meeting, Boston, MA Thiessen, E.J., Gibson, H.D., Regis, D., and Pehrsson, S.J. (June 2018) New constraints of regional tectonometamorphism in the southeastern Rae craton and Lu-Hf ages of mafic eclogites along the Snowbird Tectonic Zone. Oral presentation at GAC-MAC annual national meeting, Vancouver, BC Thiessen, E.J., Gibson, H.D., Regis, D., and Pehrsson, S.J. (2017) Evolution of <2.0 Ga metasedimentary rocks involved in 1.9 Ga burial metamorphism and exhumation adjacent to the Snowbird Tectonic Zone, southeast Rae craton margin, southeast Northwest Territories. Yellowknife Geoscience Forum 2017 – territorial meeting. Oral presentation. Thiessen, E.J., Regis, D., Gibson, H.D., and Pehrsson, S.J. (2017) Deformation and extensional exhumation of Paleoproterozoic high-pressure granulites along the Wholdaia Lake shear zone, south Rae craton, Northwest Territories. Oral presentation at GAC-MAC annual national meeting, Kingston, ON. Thiessen, E.J., Gibson, H.D., Pehrsson, S.J., and Regis, D. (2016) The Wholdaia Lake Shear Zone; Unraveling the Nature of Paleoproterozoic Tectonometamorphism in the South Rae, Northwest Territories, through structural analysis, Petrochronology and Metamorphic Petrology of a ~1.9 Ga crustal-scale Fault. Yellowknife Geoscience Forum. Posters Prieto, N. & Thiessen, E.J. (2023) Structural characterization and tectonic evolution of 1.3 Ga REE-bearing Fox Harbour Volcanic Belt, southeast Labrador. Presented at the Geologicl Survey of Newfoundland and Labrador annual technical meeting in St. John’s, NL. Thiessen, E.J., Gibson, H.D., Regis, D., Pehrsson, S.J. (2019) Heterogeneous preservation of Archean tectonism recorded by titanite within the Paleoproterozoic Snowbird Tectonic Zone. Poster presented at GAC-MAC annual national meeting, Quebec City. Thiessen, E.J., Gibson, H.D., Pehrsson, S.J., and Martel, E. (2016) The Wholdaia Lake shear zone: Timing constraints on metamorphism, deformation and uplift in the South Rae. Poster session presented at GAC-MAC annual national meeting, Whitehorse, YT. Peter, J. M., Chapman, J. B., Mercier-Langevin, P., Layton-Matthews, D., Thiessen, E., and McClenaghan, M. B. (2010) Use of portable x-ray fluorescence spectrometry in vectoring for base metal sulfide exploration. In TGI-3 Workshop: Public Geoscience in Support of Base Metal Exploration Programme and Abstracts. Geological Association of Canada, Cordilleran Section, pp. 3-6. Workshops Thiessen, E.J. (Mar. 2019) Invited presentation, Western Rae workshop in Quebec City, (May 2019) Presented GEM 2 U-Pb and tectonic history of the south Rae craton. Canadian Tectonic Group workshop - Kelowna B.C. 2017 South Rae workshop at the GSC Ottawa Oct 2015, Oct 2016. Presented results of detailed mapping and geochronology related to 2015 and 2016 field work. |