Conrey Dredge No. 4—Part II

December 2017 by Don Madore

These were the men who periodically picked up the gold amalgam from the tables and sluices in the dredge, processed it, and transported the gold ingots to the railroad express office in Alder. Their trustworthiness must have commanded a prominent wage.

Associated Gold Placers of the Comstock

November 2015
What many people don’t realize is that the Comstock Lode produced over 8,000,000 ounces of gold…

Sulfides and Intergrain Gold Wire Nuggets

March 2018

...these nuggets have not traveled far from the lode because the golden wire lattices would have been torn apart or flattened during weathering of rock and deposition by violent stream action.

Prospecting for Diamonds in Kimberlite

January 2014
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.

One of the Richest Beaches Ever Mined

April 2015
Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.

The Verde Copper-Gold-Silver-Zinc District, Jerome, Arizona

October 2012
When I was a student in the College of Mines at the University of Utah, the Verde district was used as an exploration model for “submarine volcanogenic massive sulfide deposits.” So I looked forward to visiting this district and the town of Jerome in central Arizona in the spring of 2012.

The Giant King Mine

July 2014
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

What Are Those Rocks In My Pan?

June 2011
The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.

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