History & Geology
Gold Deposition and Gradients of Placer Streams—Part I
June 2012 by Jim Halloran

Gold Placers of Southern California
I grew up in Southern California, and found my first nugget there, so I know my way around. Because there is good gold there, I thought it might be helpful to take a look at the many placer gold opportunities found in the southern part of the state.
Flood Plain Gold Deposits—What Are They Really?
We just completed a trip to another river, and yes, there was definite movement and redistribution of gravels, and other prospectors have seen this as well.
Enrichment of Mineral Deposits by Weathering—Part I

Gold in Tertiary Gravels

Ophir—Possibly the Best Kept Secret in Alaska!

PGMs in the United States

The Heavy Minerals in Your Concentrates

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