Carbonatites

February 2005 by Edgar B. Heylmun, PhD

Digging It Dry

October 2016
I believe dry washing is an underappreciated prospecting method. There are plenty of places where there is some pretty decent gold to be had, but the spot is a long way from any water and dry processing may well be the best way to go.

Melman on Gold & Silver

June 2016
Another area of growing international concern for business and industry is the recent astonishing proliferation of new government regulations and laws. Despite the presumably good intentions behind these measures it is now becoming apparent that they are imposing true costs  to our economic society. The sheer variety  of these laws and regulations is mind-boggling.

Contrary to Rumors, Couple Will Keep the Saddle Ridge Hoard

April 2014
Some media outlets have speculated the hoard of coins came from a theft at the old US Mint in San Francisco that was reported in 1901.

Sulfides, Selenides and Tellurides

June 2007
The early day miners feared it, and it happened a lot more often than they would have liked: the easily worked rich surface ores they discovered gave way as they mined downward to a vein full of sulfides, base metals and other nasty, rebellious and...

The Assay of High Iron Gold Ores

November 2000
By employing this technique, one can use a larger sample size without having to resort to large crucibles and massive amounts of flux.

Mud Men: Pocket Miners of Southwest Oregon Part III

April 2011
The amount of gold in the traces from the low-grade scattered veinlets may be much more than the traces from the small but rich pocket, at least until the pocket hunter closes in on the rich pocket. Further confusion arises if the prospector stumbles across a placer deposit on one of the higher peaks.

Gold Refining In The Ancient World

March 2015

One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.

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The Bawl Mill   • Shortage of Mining Engineers Projected   • Ex-MarketWatch Mining Promoter Settles Charges   • Sage-Grouse Listing Denied   • The Art of Finding Coarse Gold—Part III   • Tongass Approves Kensington Mine Plan   • PLP Interim Rule Raffle   • California Miners Locate Rich Pocket of Specimen Gold   • The Lucky Shot Mine   • BC Premier Heralds "Golden Decade" in Forestry and Mining   • Drywashing for Eluvial Gold in the Desert—Using a Portable Drywasher and Hand Tools   • Claim Filings Up in the Northwest   • Canadian Officials Foresee Little Impact From Mine   • Coeur d'Alene Mines Sees Future in Bolivia   • The Golden Highway—Nevada County   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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