Prospecting & Detecting
Mining Pegmatite Deposits
July 2018 by Chris Ralph
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Moore Creek, Alaska—Then and Now
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
Detectors: Past, Present and Future
Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.
Prospector's Guide to Rock Breaking and Blasting
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
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.
Highbanking at the 144
My third sample location proved to be my last and most interesting. I needed to look no further.
Prospecting for Liberated Gold
Some will doubt its value given the ultra-fine particle size… Some will become encouraged about not having to incur significant time and expense to break rock.
Recent Prospecting in Plumas County
Plumas has been historically rich in gold because of its favorable geology. The Melones Fault trends north-south through the county and many rich gold-bearing districts lie along its course.
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The Bawl Mill
• Ask The Experts - How were those gold concentrate bricks made?
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• Legislative and Regulatory Update
• SS Central America Gives Up Millions in Gold Rush Era Gold
• Falcon Fanatic: Journey of a Novice Detectorist
• Las Médulas—The Gem of the Roman Gold Mines
• Critical Minerals: Titanium
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PLP Update: Back to The 'Swamp' on Behalf of Small Miners
