This paper further expounds on this alternative theory of the origin of California placer gold is available here.
Category Archives: Early Tertiary tropical climate
Geology of the Ione Formation in the Ione Area
This document is now available in the References Section. It is Part B of the Guidebook for the Fieldtrip conducted for the 1995 Association of Engineering Geologists Annual Meeting in Sacramento CA.
2013 GSA Cordilleran Conference presentations available for viewing in the documents section
Two oral and two poster session presentations made at the 2013 Cordilleran GSA Conference are available to view or download. These are papers that focus on the nature of the Early Tertiary fluvial sediments and their role in geotechnical issues in the Sierra foothills and adjacent Sacramento Valley areas.