This paper further expounds on this alternative theory of the origin of California placer gold is available here.
Category Archives: Early Tertiary auriferous gravels
New petrified log display at the UC Davis Geoscience Building
Log from the auriferous gravels in the Sierra Nevada foothills finally makes it. What a job! Don’t miss the video and specimen description.
Gold Bearing Gravels of the Ancestral Yuba River, Sierra Nevada, California
This research document by Warren Yeend is now posted in the References section
The Upper Reaches of the Sierra Nevada Auriferous Gold Channels, California and Nevada
Document by Garside, et. al., 2005 is now posted
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.
Two Power Point slide shows of GSA Cordilleran Annual Meeting presentations now available for viewing in the documents section
The complete slide sets and slide notes for two oral presentations discussing the mineralogy and petrology of the auriferous gravels and their downstream equivalents are now posted in the documents section.