Small Mine Selective Blasting

January 2000 by Dr. Ralph E. Pray

Placer Platinum

June 2004
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.

Ask The Experts

January 2016
Viewing details on Google Earth

Southwest Alaska Gold Project Progresses

January 2012
NovaGold Resources Inc. announced that a gold prospect in southwest Alaska is ready to advance to permitting.

Taking on the EPA, Sasquatch, Ratchilla and Gold Dredging

September 2014
...we packed up our two dredges and headed for our claim about an hour away on the South Fork of the Clearwater to dredge openly in opposition to the EPA.

Melman on Gold & Silver

July 2000
As many long time readers know, one of my favorite sayings is the Asian expression, "May you live in interesting times." We sure do and if you didn't believe it before, just consider the latest word from the international markets.

Working the Belmont Mine Butte, Montana—1953

October 2002
Waiting to go underground in the Belmont Mine in Butte, Montana, I hoped that I didn’t look like a green college kid. I enjoyed watching the ropes run through the sheaves at the top of the head frame as the shaft crew was busy changing over...

Continental Drift

November 2003
As soon as reasonably accurate maps were made, 200 years ago, one could not help but note the parallelism of some coastlines with those on other continents. The coastlines of Africa and South America, in particular, are strikingly similar. The first scientist to write on the subject was an Austrian, Edward Suess, who put India, Africa, and South America into a supercontinent he named “Gondwanaland.” But, it was not until Alfred Wegener, a German, came out with his “Theory of Continental Drift” in 1912, that scientists took note.

Subscription Required:
The Bawl Mill   • Over the Divide   • Our Readers Say   • Letter from the Editor to our Readers and Advertisers   • Administration Considers Bypassing Congress   • First Woman to Draw Mining Pension   • Mohave Mountain Placers, Arizona   • High Court to Reconsider Wilderness Water Rights   • Sixteen to One Takes on MSHA   • Picks & Pans: Gold Mining on Joie Osgood Ranch   • Gold   • Company Notes   • Millie's Tailings   • Placer PGMs in Alaska   • Mogollon—New Mexico's Remote Gold Camp   • ICMJ 9th Annual Photo Contest Results   • The Other Minerals of Mt. Diablo   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

Free:
Legislative and Regulatory Update