All Articles
Discovery of the Mountain Pass REO Deposit
May 2001 by Edgar B. Heylmun, PhD
How does one go about discovering a rare earth oxide (REO) deposit when he is not familiar with the rare and unusual rocks and minerals that are found in such deposits? That was the case at Mountain Pass, California, yet the deposit was eventually discovered and mined.The Bawl Mill
• The EPA is in your bathroom!
• Russians fund US environmental groups
Epithermal Gold and Silver Deposits
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.
Secrets of Successful Prospecting
Winter is the time for research, and if you haven’t already done some research to find new places to prospect, now is the time to cram in some last minute research before the good weather arrives.
New Silver and Zinc Mine Slated for Montana
Arizona-based International Silver Inc. is proposing an underground silver and zinc mine in Montana and has asked Butte-Silver Bow County to lease them the surface and mineral rights to hundreds of acres.
A Guide to Overlooked Gold Deposits—Part IV
Trends are geologic situations in which the geological structure of an area is conducive to the deposition of minerals. These structures are generally fault systems that can be small and localized or can run for miles.
The Bawl Mill
• Are you paying for others' risk-taking?...
• They call it the "impalement captial of the United States"—and not to be funny!...
Forest Service Chief Calls for Mining Moratorium in Montana
The Forest Service wants a two-year ban on new hard-rock mining claims on 429,000 acres of national forest land on the eastern slope of the Rocky Mountains in Montana.
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The Bawl Mill
• Original Sixteen to One Goes to Court—Challenges MSHA Citations Part II
• The Golden Triangle of Sonora, Mexico
• Using Legal Subdivision
• Placer vs. Lode Gold
• Gold Tellurides: Tellurium, an Assay Impurity
• Court Hears Arguments Over Rights to Shipwreck
• Picks & Pans: How to Succeed in a Small Mine, A Case History: 1990-2000
• Charcoal Crucible Recipe
• Romance of the Old Silver King
• Record-Breaking Alaskan Nugget for Sale
• Company Notes
• Nevada Gold Production Up Despite Lower Prices
• Gold in Guatemala
• Bush Taps Utah Resident for Labor Post
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Honda Pares Down Use of Precious Metals in Autos
