This paper further expounds on this alternative theory of the origin of California placer gold is available here.
Pritchard Marble Quarry and Kiln near Colfax…a well-kept secret of Sierra Foothills history
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.
New theory for the occurrence of gold nuggets in the “Early Tertiary Auriferous Gravels” of California
Gold Nuggets—Evidence of Past Climates and Former Landscapes by Odin Christensen presents a plausible explanation for the rich concentrations of coarse placer gold in California’s Early Tertiary auriferous rivers which largely drained a region of Nevada with a dearth of lode gold deposits.
Now posted in References. here
CDMG Special Report 19—Geology and Ceramic Properties of the Ione Formation, Buena Vista Area, Amador County, California
This research document is now posted in References section here.
Re-evaluation of the origin of kaolinite in the Ione Formation
This research document is posted in the References collection.
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
A Historical Review Of The Age Assignments Applied To The Chalk Bluff Fossil Plant Assemblage
A new unpublished document by Howard Schorn is now posted view here
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.