Robert J Fleck
Robert is a Scientist Emeritus with the Geology, Minerals, Energy, and Geophysics Science Center
Education and Certifications
Ph.D., Geology, University of California, Berkeley, 1967
M.S., Geology, Stanford University, 1967
A.B., Geology, University of California, Berkeley, 1962
Affiliations and Memberships*
2002 to present, The Society of Economic Geologists
1968 to present, Geological Society of America
1968 to present, Geological Society of America
1967 to present, Geochemical Society
1967 to present, American Geophysical Union
1970 to unknown, International Assoc. Geochemistry & Cosmochemistry
Science and Products
Large-magnitude Miocene extension of the Eocene Caetano caldera, Shoshone and Toiyabe Ranges, Nevada
The Pleistocene eruptive history of Mount St. Helens, Washington, from 300,000 to 12,800 years before present
Age, stratigraphy, and correlations of the late Neogene Purisima Formation, central California coast ranges
Tephra layers of blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah: Isotopic ages, correlation, and magnetostratigraphy
Location, Age, and Tectonic Significance of the Western Idaho Suture Zone (WISZ)
Ad Duwayhi, Saudi Arabia: Geology and geochronology of a neoproterozoic intrusion-related gold system in the Arabian shield
Age and tectonic significance of volcanic rocks in the northern Los Angeles Basin, California
Origin, extent, and thickness of quaternary geologic units in the Willamette Valley, Oregon
Digital Geologic Map of the Nevada Test Site and Vicinity, Nye, Lincoln, and Clark Counties, Nevada, and Inyo County, California
The Death Valley turtlebacks reinterpreted as Miocene Pliocene folds of a major detachment surface
Chapter 21: Neodymium, strontium, and trace-element evidence of crustal anatexis and magma mixing in the Idaho batholith
Preliminary geologic map of the Colville Indian Reservation, Ferry and Okanogan Counties, Washington, with a table of potassium-argon ages
Science and Products
Large-magnitude Miocene extension of the Eocene Caetano caldera, Shoshone and Toiyabe Ranges, Nevada
The Pleistocene eruptive history of Mount St. Helens, Washington, from 300,000 to 12,800 years before present
Age, stratigraphy, and correlations of the late Neogene Purisima Formation, central California coast ranges
Tephra layers of blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah: Isotopic ages, correlation, and magnetostratigraphy
Location, Age, and Tectonic Significance of the Western Idaho Suture Zone (WISZ)
Ad Duwayhi, Saudi Arabia: Geology and geochronology of a neoproterozoic intrusion-related gold system in the Arabian shield
Age and tectonic significance of volcanic rocks in the northern Los Angeles Basin, California
Origin, extent, and thickness of quaternary geologic units in the Willamette Valley, Oregon
Digital Geologic Map of the Nevada Test Site and Vicinity, Nye, Lincoln, and Clark Counties, Nevada, and Inyo County, California
The Death Valley turtlebacks reinterpreted as Miocene Pliocene folds of a major detachment surface
Chapter 21: Neodymium, strontium, and trace-element evidence of crustal anatexis and magma mixing in the Idaho batholith
Preliminary geologic map of the Colville Indian Reservation, Ferry and Okanogan Counties, Washington, with a table of potassium-argon ages
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government