Discovery of the Mountain Pass REO Deposit
May 2001 by Edgar B. Heylmun, PhDHow 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.
...how many of us have knowingly found or bought a meteorite—a small to large mass of stone or metal; a meteor that has survived not only a space voyage of millions of years, but also the impact of striking the earth?
... if the “renewed prosperity” concept fails to materialize and additional crises are on their way—each one to be met with currency expansions and worsening conditions—then we would speculate that gold and silver will move higher.
Opportunities exist in both hardrock and placer. Production costs to operate a small placer mining project are a lot less than for a hardrock mine. Underground placers are a different story, but generally, recovering placer gold takes...
• Assembly Bill 1032
• Forest Service tries to rewrite Mining Law
• California seeks comments from dredgers
• Support PLP efforts
Lightning Creek is one of the famous placer gold streams in the Cariboo district of east-central British Columbia, Canada. It is 445 miles, by highway, north of Vancouver, some 50 miles east of the town of Quesnel (pop. 8,500).
A bill that would relax current standards on small mines has passed a House committee.
Ask leading historians to name Colorado's top 10 builders and the list quickly grows to 50 people. The list includes visionaries, scoundrels and gamblers.
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