History & Geology
Ask The Experts
June 2015 by Chris Ralph
Gold in clastic black shaleWeathering, Erosion and Placers
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
Placer Gold Deposits of Utah
The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.
Diary of a Diamond Prospector
I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.
Understanding and Prospecting Benches
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
$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...
Gold Ores of the Delamar District, Nevada
Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.
Ancient River Channels of Trinity County
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Subscription Required:
The Bawl Mill
• Ask The Experts
• Ask The Experts
• Ask The Experts
• Ask The Experts
• Companion Gold
• The Smell of Gold—Part I
• A Few Tips and Tricks for Beach Mining
• The Basics of Froth Flotation
• Direct and Constructive Notice
• Moore Creek, Alaska—Then and Now
• Nome Offshore Dredging Creates Challenges
• Mining Journal Wins Again!
• The Montanore Copper and Silver Project
• Family Wins Back Seized Gold Coins
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• Update on MMAC & PLP
