All Articles
Basic Geology for the Independent Miner—Part III Understanding Plate Tectonics, Volcanism and Mountain Building
March 2006 by Chris Ralph
The formation of gold, silver and many other types of deposits depends on a natural segregation of the elements from the earth, so that gold or silver (and other minerals) becomes enriched enough to form a valuable ore.
Additional articles that might interest you...
San Francisco Mint and US Gold Reserves
June 2007
In 1717, Sir Isaac Newton, Master of the British Mint, established a fixed price for gold that was equivalent to around US$20.00 per ounce. This price was for bullion gold, refined to a purity of twenty-two karats (.917 fine).
In 1717, Sir Isaac Newton, Master of the British Mint, established a fixed price for gold that was equivalent to around US$20.00 per ounce. This price was for bullion gold, refined to a purity of twenty-two karats (.917 fine).
Greenstone
August 2004
Greenstone is a hard, tough, altered igneous rock, usually dark green in color. The term “greenstone” has been loosely applied to all greenish rock, including peridotite, dunite, jade, serpentine, and even hydro thermally altered rocks in mining districts. True greenstone is...
Greenstone is a hard, tough, altered igneous rock, usually dark green in color. The term “greenstone” has been loosely applied to all greenish rock, including peridotite, dunite, jade, serpentine, and even hydro thermally altered rocks in mining districts. True greenstone is...
Gold in Iceland?
December 2001
Normally, one does not look at volcanic islands in a search for gold. However, rich gold deposits have been found in or near volcanoes at Lihir and Misima Islands near New Guinea, so one cannot dismiss gold opportunities on volcanic islands. All of Iceland is of volcanic origin, with acidic volcanic rocks like rhyolite and granophyre being present at a few localities.
Normally, one does not look at volcanic islands in a search for gold. However, rich gold deposits have been found in or near volcanoes at Lihir and Misima Islands near New Guinea, so one cannot dismiss gold opportunities on volcanic islands. All of Iceland is of volcanic origin, with acidic volcanic rocks like rhyolite and granophyre being present at a few localities.
Partner Withdraws from Pebble Project
October 2013
One of the partners in a massive and contentious proposed gold and copper mine in Alaska is pulling out, raising questions about the future of the project.
One of the partners in a massive and contentious proposed gold and copper mine in Alaska is pulling out, raising questions about the future of the project.
Who Jumped Whose Claim First?
February 2019
At this point, stress raised my blood pressure and I was figuring out escape routes through the brush, but thought it best to continue the conversation.
Legislative and Regulatory Update
June 2006
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
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The Bawl Mill
• A Word from the Editor
• The Fortymile Goldfields
• The Rocks that Burn—Part II Is Oil Shale the Answer?
• Record Interest at Recent Mining Conventions
• Common Operations—Small-Scale Mining and Sharing the "Take"
• Trout Thriving In Treated Mine Water
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
