All Articles
Over The Divide—Merwin (Merv) H. Hemp
November 2004 by Staff
It is with great sadness that we inform you of the passing of one of our long time members and tireless workers, Merwin H. Hemp.Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Prospecting for Copper
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
Gold Rush in the Congo—Part II
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
Wall-Rock Alteration
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
Legislative and Regulatory Update
• Obama’s parting shots
• California suction dredging
• Oregon follows California’s lead
• Lawsuit coming; bill introduced to stop mining in Washington State
• President Trump halts new federal regulations
The Bawl Mill
• House members "earn" another raise
• So how much is the national debt?
The Bawl Mill
• Australians know how to do a fundraiser
• She shared a toothbrush but...
• This IRS employee will share her winnings—with the IRS!...
• A diamond is forever (almost)...
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The Bawl Mill
• Editorial: Montana's Controversial Rock Creek Mine
• First Load of Concentrate Leaves Reopened Ruth Mine
• Uranium Industry Enjoys Rebound as Prices Nearly Triple
• BLM Warning About Purchase of Mining Claims on the Internet
• Determining the Amount of Gold in a Quartz Specimen
• Placer PGMs in Coon Creek, California
• Getting Your Float Circuit Layout Right
• Pick Up Austria's New Coin—If You Can Lift It
• New Prospecting Guides Available Online
• Police Extend Detention of Newmont Executives
• Picks & Pans—Drywashing and Detecting in Southern California
• The Boludo Placers, Sonora
• The Golden Highway—Placer County
• Northwest Miners Rally a Success
• Mine Threat Just a Stunt to Criticize Land Laws
• MINExpo 2004 Convention Report
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
