Las Médulas—The Gem of the Roman Gold Mines

July 2018 by Alan J. Chenworth

This mine was a real wonder of engineering, and the water supply and drifts had to be carefully managed to keep it in operation. In fact, it didn’t close due to lack of gold, but instead closed with the fall of the Roman Empire.

Eolian Placer Gold

February 2012
I would first like to mention that I am not a geologist. I have, however, spent the last 8 years intently searching for gold nuggets with a metal detector. I have found gold in numerous locations, and in several different types of gold deposits.

The Pedro Gold Dredge

October 2014
The decision was made to move the dredge intact, a massive undertaking indeed. The goal was to move it only one mile to the Busby’s Chicken Gold Camp, but what a mile that was to be.

Gold Deposits of the Ivory Coast

April 2014
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.

Mining Pegmatite Deposits

July 2018

With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.

Nevada's Silver City Gold District -- Part II

May 2016

...this district has had a continuous life of gold mining and milling that spans 150 plus years, and it appears that it will keep pressing on for many more years of production.

Electrum: Gold and Silver Together

January 2016
...if you are out prospecting and find something that looks very much like a nugget but has an odd greenish-gray cast to it, don’t be too quick to simply toss it aside as junk.

Iron Ores and Iron Mining

September 2015
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.

Subscription Required:
The Bawl Mill   • Ask The Experts - How were those gold concentrate bricks made?   • Ask The Experts - What should I know about prospecting for titanium?   • Mining Pegmatite Deposits   • Legislative and Regulatory Update   • SS Central America Gives Up Millions in Gold Rush Era Gold   • Falcon Fanatic: Journey of a Novice Detectorist   • Critical Minerals: Titanium   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
PLP Update: Back to The 'Swamp' on Behalf of Small Miners