All Articles
Gold in Jasperoid
February 2000 by Edgar B. Heylmun, PhD
Jasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...
Ask the Experts—Are you able to advise me on the status of HR3824?
Q: I am doing research regarding potential litigation involving the Endangered Species Act. Are you able to advise me on the status of the following:? HR 3824, The Endangered Species Recovery Act of 2005 (TESRA) introduced in the House of Representatives in September, 2005.
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
USFS Criticized for Renting Chopper in Nevada Dispute
The Forest Service is being criticized for spending $15,000 to rent a helicopter to empty sewage from a remote outhouse in northeast Nevada, work a citizens group had volunteered to do for free by using a closed forest road that the group wants reopened.
Legislative and Regulatory Update
• Critical minerals obtain national security status
• Idaho to take over EPA permitting
MMAC & PLP Update
I’ve received quite a few inquiries from miners who are beginning to realize that traditional Mining Districts are powerful entities and they are looking to get their district organized if it’s in disarray.
It's the Bottom of the Ninth—And Not Just for California
If we lose, the radical environmentalists have a roadmap to replicate their success everywhere.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
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The Bawl Mill
• Clinton Declares Three More National Monuments
• McCain Derides Clinton Forest Policy
• Foreigners Lure Mining Partners
• Pacific Island Gov'ts Focus on Undersea Mining
• Options Narrowed for Managing Chugach National Forest
• Company Notes
• Diamond Fever
• Underground Geologic Mapping
• New Quarry Regulations in West Virginia
• Ash Fork Calm After Explosives Theft
• Picks & Pans: Mining in Ghana
• Little Rocky Mountains, Montana
• Collector Reaches New Lows to Find Bottles
• Chinese Camp, California and the Tong War of 1856
• Millie's Tailings
• Visionaries, Scoundrels, and Gamblers
• Executive Defends Special Mill Site Exemption
• Chasing the Ghosts of Forty-Niners
• Washoe County Balks at Black Rock Desert Plan
• State's Only Gold Mine Processes Last Precious Ore
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
