Wesley E. LeMasurier

Wesley E. LeMasurier

Fellow of INSTAAR

  • Professor Emeritus of Geology, University of Colorado at Denver


  • PhD: Stanford University, 1965

Contact Information

(Office) 303 735-8170


Volcanology and igneous petrology.

Research Interests

(1) Volcanoes of Marie Byrd Land, Antarctica: origin and evolution of basaltic and felsic rocks, (2) Relationship of volcanism in Antarctica (esp. Marie Byrd Land) to tectonic environment: West Antarctic rift system, Marie Byrd Land dome, (3) Volcanic record of Cenozoic glacial history in Marie Byrd Land, (4) Geology of hydrovolcanic rocks (hyaloclastites, pillow lavas), (5) Cenozoic volcanoes of Antarctica: distribution and petrologic character.


  • Award for "excellence in professional and scholarly publishing" for Volcanoes of the Antarctic Plate and Southern Oceans, Antarctic Research Series, American Geophysical Union, v. 48, February, 1991, PSP Division of the Association of American Publishers, 1991
  • "Mt. LeMasurier" (800+ meters elev.; 75°27'S, 139°40'W, on the Marie Byrd Land coast) named in recognition of contributions to exploration and scientific research in Antarctica, U.S. Board on Geographic Names, 1971




Wesley E. LeMasurier, Thomson, J. W. 1990: Volcanoes of the Antarctic Plate and Southern Oceans. Antarctic Research Series, vol. 48. American Geophysical Union, 487 pp. DOI: 10.1029/AR048

Wesley E. LeMasurier, Choi, S. H., Kawachi, Y., Mukasa, S., Rogers, N. 2018: Dual origins for pantellerites, and other puzzles, at Mount Takahe volcano, Marie Byrd Land, West Antarctica. Lithos, 296-299: 142-162. DOI: 10.1016/j.lithos.2017.10.014

Wesley E. LeMasurier, Choi, S. H., Hart, S. R., Mukasa, S., Rogers, N. 2016: Reconciling the shadow of a subduction signature with rift geochemistry and tectonic environment in Eastern Marie Byrd Land, Antarctica. Lithos, 260: 134-153. DOI: 10.1016/j.lithos.2016.05.018

Wesley E. LeMasurier 2013: Shield volcanoes of Marie Byrd Land, West Antarctic rift: Oceanic island similarities, continental signature, and tectonic controls. Bulletin of Volcanology, 75: 726. DOI: 10.1007/s00445-013-0726-1

Wesley E. LeMasurier, Choi, S. H., Kawachi, Y., Mukasa, S. B., Rogers, N. W. 2011: Evolution of pantellerite-trachyte-phonolite volcanoes by fractional crystallization of basanite magma in a continental rift setting, Marie Byrd Land, Antarctica. Contributions to Mineralogy and Petrology, 62(6): 1175-1199, DOI: 10.1007/s00410-011-0646-z

Wesley E. LeMasurier 2008: Neogene extension and basin deepening in the West Antarctic rift inferred from comparisons with the East African rift and other analogs. Geology, 36(3): 247 250. DOI: 10.1130/G24363A.1

Wesley E. LeMasurier 2007: West Antarctic rift system. In Riffenburgh, B. (ed.), Encyclopedia of the Antarctic. New York: Routledge, 1060-1066.

Rocchi, S., Wesley E. LeMasurier, Di Vincenzo, G. 2006: Oligocene to Holocene erosion and glacial history in Marie Byrd Land, West Antarctica, inferred from exhumation of the Dorrel Rock intrusive complex and from volcano morphologies. Geological Society of America Bulletin, 118 (7-8): 991 1005.

Wesley E. LeMasurier 2006: What supports the Marie Byrd Land Dome? An evaluation of potential uplift mechanisms in a continental rift system. In Ftterer, D. K., Damaske, D., Kleinschmidt, G., Miller, H., and Tessensohn, F. (eds.), Antarctica: Contributions to global earth sciences. Berlin, Heidelberg, New York: Springer-Verlag, 299 302.

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