Senior Research Associate Emeritus • Professor Emeritus, Geology, University of Colorado Denver • • Volcanology • Igneous petrology
Cenozoic volcanoes in the Marie Byrd Land region of Antarctica.
- PhD: Stanford University, 1965
- Excellence in professional and scholarly publishing award, PSP Division of the Association of American Publishers, 1991: for Volcanoes of the Antarctic Plate and Southern Oceans, Antarctic Research Series, American Geophysical Union, v. 48
- "Mount 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
- Antarctic Service Medal, United States, 1971
Research interests include
- Volcanoes of Marie Byrd Land, Antarctica: origin and evolution of basaltic and felsic rocks.
- Relationship of volcanism in Antarctica (esp. Marie Byrd Land) to tectonic environment: West Antarctic rift system, Marie Byrd Land dome.
- Volcanic record of Cenozoic glacial history in Marie Byrd Land.
- Geology of hydrovolcanic rocks (hyaloclastites, pillow lavas).
- Cenozoic volcanoes of Antarctica: distribution and petrologic character.