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History & Geology

Natural Gold Alloys

Natural gold is never 100% pure; all natural nuggets contain at least some impurities. We're going to take a look at just what some of those impurities might be.

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Bedrock Gold: When It’s There and When It Isn’t


Has your experience ever led you to wonder why some gold is deposited on bedrock and in crevices, while other gold is not? We’re going take a deeper look at this and see what we can figure it out.

Prospecting for Diamonds in Kimberlite


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.

Gold Placers in Italy


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Copper Deposits of Alaska


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