Warren J Nokleberg

Dr. Warren J. Nokleberg is an Emeritus Research Geologist in the Geology, Minerals, Energy, and Geophysics Science Center. After coming to the USGS in 1966, His research currently focuses on compiling and synthesizing a digital earth science atlas of Sierra Nevada, CA. He recently co-edited and published an e-book about the Dynamic Geology of the Northern Cordillera and Adjacent Marine Areas.


After starting graduate school in 1965, his major research emphases have been on the mineral deposits, metallogenesis, bedrock geology, and tectonics of the central Sierra Nevada, California, the Stillwater Igneous Complex, Montana, the Eastern Alaska Range, Alaska, the Trans-Alaska Crustal Transect (TACT) in Eastern Alaska, the Circum-North Pacific (Russian Far East, Alaska, and the Canadian Cordillera), and Northeast Asia. For these projects, he has led and coordinated large and complex teams of national and international geologists to compile, synthesize, interpret, and publish large and complex interpretative articles on regional geology, tectonics, and metallogenesis, regional geologic maps, mineral resource maps, mineral deposit databases, and spatial (GIS) databases. 

He has authored or co-authored over 260 scientific papers. In 2002, he was awarded Meritorous Service Award of the Department of Interior for exceptional scientific research and leadership in Alaska and the Circum-North Pacific for the U.S. Geological Survey. 

Recent Accomplishments


  • B.A., Geology, University of California, Los Angeles, 1965
  • Ph.D., Geology, University of California Santa Barbara, 1970

Professional Studies/Experience

  • 2006 - 2018, Emeritus Research Geologist.
  • 1969 - 1970, 1977 - 2006, Research Geologist, USGS, Menlo Park, CA
  • 1961 - 1965, Regular Line Officer, U.S. Navy
  • 1970 - 1977, Associate Professor of Geology at California State University, Fresno


Professional societies/affiliations/committees/editorial boards

  • Geological Society of America
  • Society of Economic Geologists (Fellow)
  • American Geophysical Union
  • State of California Registered Geologist.

Honors, awards, recognition, elected offices

Scientific/Oral Presentations, Abstracts