Melman on Gold & Silver

February 2000 by Leonard Melman

Mineralized Calderas in Colorado

May 2002
A caldera is a large circular volcanic depression caused by collapse due to the removal of molten magma from an underlying magma chamber. The removal of magma is due to explosive venting of lava and pyroclastic material.

The Bawl Mill

July 2009
• Too little, too late...
• Beware of Argentina...just kidding!
• A million dollars just doesn’t go as far as it used to...
• Well qualified

Saving Money on Mining Gadgets

August 2009
Within your local area there is a store where you can find all sorts of handy tools for your gold mining enterprises, and at bargain basement prices.

Picks & Pans: An Exciting Hobby

January 2001
The year was 1946, the war was over, and we three brothers were working for Douglas Aircraft, in Santa Monica, California. Jim and I had returned to jobs we held before entering the Navy and George was a “new hire,” having just finished a four-year hitch as a Navy Flight Crewman.

Golden Age of Gold Dredges

June 2002
Over one hundred years ago, gold mining in California saw a radically new method tried out in the major rivers of the Central Valley. Large gold dredges floated lazily but noisily on the waters, bringing up the rich gravel from deep below. With none of today’s environmental restrictions on such methods, the landscape was reworked into a maze of patterns along the rivers.

When Gold Moves, Placers Form

July 2010
What it takes to move gold is turbulent, fast-moving water. Normally the water is heavy with clay and all sorts of sentiments that have been ripped up from the bed of the river or carried down from the tributaries above.

Wilfley Tables—Repair, Rebuild & Set Up

September 2014
I researched the Internet and found a number of table makers, but technology has changed in the last 25 years. No one could sell me a kit for a new deck with wooden riffles...

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