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Prospecting & Detecting

Determining The Optimal Crushing Size for Gravity Recovery

It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.

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Detecting Alluvial Bench Deposits -- Pt II


Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.

Advantages of Modern Prospectors


Modern-day placer miners have many advantages over the prospectors of the gold rush days. Our prospectors can reap many benefits from accumulated knowledge of the last 100 to 150 years, which is a long and impressive list.

The Story Behind the Story


Anyone who has found a patch knows the difficulties involved. Those who haven’t can guess, and with any effort will soon realize it.

The Coolgardie Gold Mining Camp of Southern California


The area was mined intermittently from around 1900 to 1915, but was also mined in the late 1800s, with a total output valued at about $100,000, which is around $9.5 million at the current gold price.

Ask The Experts


• Making a noisy dredge more quiet

Do Gold Nuggets Come Out At Night?


There were many small gold placers found and worked in the deserts in the old days, which had then been pretty much forgotten about. We all tried to be the first to re-discover these spots.

Prospecting for Gold at Green Valley


In October, five of us decided to take an exploration trip into an area called Green Valley. This was perhaps ten miles upstream from where we had gone in September and the difficulty was access. One would think that based on the name it was an easily accessible area not far from a nearby town. This couldn’t be more wrong.

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The Bawl Mill   • Ask The Experts - Can you explain how caliche forms?   • Ask The Experts - How does gold form?   • Ask The Experts - Do you think it’s realistic for a detectorist to recover a couple of ounces per week if working full time?   • Ask The Experts - Can you suggest proper discrimination settings for my detector?   • Time to Stake Your Own Mining Claim   • A Day On The Yuba River   • Gold Prospecting for Better or Worse: The Pains of Prospecting   • To Foam or Not to Foam   • Following Man-Made Ditches to Recover More Gold   • Sixteen to One Gold Mine: Going Underground - Pt II   • All About Native Silver   • Internet Forum Gold   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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