History & Geology
A Journey Into the Silver Peak Range
June 2013 by Bill Rich
The Gold Rush in California called hundreds of thousands of souls to leave their homes to journey to the the far reaches of the West. At first the rich goldfields of the Sierra Nevada beckoned to these adventurous pioneers.Sixteen to One Gold Mine: Unique Challenges and Potential Rewards - Pt I
Many of the Sixteen to One’s challenges arise from its unusual geology and the pocket characteristics of the ore deposits.
The Rochester Mining District of Nevada
Only the richest ores could be worked and shipped off for processing at a profit. As a result, early mining in the southern part of the Humboldt Range was short-lived. In the 1880s, placers were discovered in Spring Valley and American Valley on the east side of the range...
Sierra County Gold—Part I
...this county contained some of the richest placer ground found in all of California and still produces some pretty impressive finds to this day.
The Coolgardie Gold Mining Camp of Southern California
The area was mined intermittently from around 1900 to 1915, but was also mined in the late 1800s, with a total output valued at about $100,000, which is around $9.5 million at the current gold price.
Enrichment of Mineral Deposits by Weathering—Part II
While both zinc and lead deposits also are enriched by the surface weathering process, in part two we will look at the enrichment process for copper and also gold deposits, and at the interpretation of leached outcrops to figure how rich the concentrated deposits below them may be.
How Far Has That Gold Traveled?
Let’s examine why your placer gold looks the way it does and what you can tell about its journey based upon its appearance.
Subscription Required:
The Bawl Mill
• Breaking Rock the Old School Way
• My Lucky Month of March
• Gold Rush in the Congo—Part II
• Ancient River Channels of Trinity County
• Which Nugget Detector Should I Get?
• Liberty and the Phoenix Mine
• Confluence Placers
• Spanish Gold Ledge Still Producing Gold
• Nevada Mining Tax Cap Repeal Clears Committee
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• The Birimian Greenstone Belts of West Africa
