Old Mine Sites and New Technology

September 2018 by Jack Geck

We’ve had two trips to the deserts of Nevada and explored mines and mill sites, hiked miles of ravines in California, and swung our detector coils over thousands of square yards of bedrock.

Detecting Nuggets—Overcoming New Challenges

September 2015
Depth is not an issue unless the site is thoroughly cleaned of shallow trash, and it is far easier to isolate and remove targets using a small coil in a target rich location.

Detecting During Summer Heat

August 2015
This concept of detecting does not always work as we sometimes get a week or so where the temperatures rise to 116°—sometimes more.

Ask the Experts

August 2014
What are the tell signs of garnet deposits?

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.

Detecting Alluvial Bench Deposits

February 2017
The same questions you ask yourself about gold trapping features in the present stream can be applied to the benches above the stream. Just imagine the stream at a much earlier time, before it cut its way down to the present level…

Hunting for Gold in the Quartzsite Area of Western Arizona

October 2013
Winters are a great time to explore the hills in the area of the Middle Camp, Oro Fino and La Cholla placers on the southern flank of the Dome Rock Mountains.

The "Madonna Nugget"—A Weekend Hunt to Remember

July 2017

I worked my way to a flat area along a ridge where I could see a quartz blowout. As I got within 100 feet of it, I started seeing rock that I knew to be associated with gold.

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