contact information:
Dr. Patricia H. Cashman
Dept. of Geological Sciences, M.S.172
University of Nevada, Reno
Reno, NV  89557
Pat Cashman, University of Nevada, Reno
Research Associate Professor of Geological Sciences Department of Geological Sciences and Engineering
Mackay School of Earth Sciences and Engineering
Sonoma Range, from Preble siding; Humboldt County, NV
West-vergent folding of axial plane cleavage in the Cambrian Preble Formation at Preble siding; this is at least the second folding event recorded in these rocks
photo by Jim Trexler