History & Geology
Alaska's Cripple Creek Mining District
November 2011 by Jim Halloran
If developed with metal detecting in mind, this virgin ground could be a bonanza for nugget hunting.Gold, Quartz & Chalcedony—Part II
The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.
$50 Million in Gold From 1857 Shipwreck Approved for Sale
The gold is all for sale. Just one tiny coin alone could go for $1 million because of its combination of rarity and the history behind it...
Greenstone and Gold
Contacts, faults and zones of weak rock are all places that can act as a pipeline to convey gold-bearing fluids, leading to valuable deposits.
Prospecting Homonyms
Three homonyms come to mind when I think of gemstones, gold and vegetables: carrot, carat and karat. Let’s look at carrot first.
It Pays to Know Your Bedrock
On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.
Ask The Experts
Q: Is this gold or some other metal?
The Many Facets of Iron
I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.
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The Bawl Mill
• Legislative And Regulatory Update
• Ask The Experts—Compensation for closed mining claim?
• Ask The Experts—Inconsistent fire assays
• Gold From Cemented Gravels
• Evolution Of A Gold Prospect
• Gold, Quartz & Chalcedony—Part II
• Alaska to Target Rare-Earths
• Minnesota Delays Decision on Mineral Leases
• The Gold Of Horseshoe Bend
• Tyrie's Roadway Nugget
• Melman on Gold & Silver
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• Prospecting Australia—Part II: There and Back Again
