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Placer Gold in the Ortiz Mountains
January 2009 by Jim Rocha
New Mexico’s Ortiz Mountains rise in irregular volcanic peaks above the surrounding plains, or llano, some 30 miles northeast of Albuquerque and about 14 miles to the south of my home outside the state capital of Santa Fe.
A Day On The Yuba River
There weren’t as many pieces of gold, but what I did find was bigger. As I worked my way down towards the spot that I had been working the first three days, I noticed a large crack that crossed the river.
The Value of Evidence
That prospecting effort you are about to spend your time on...is it worth your effort? If you are going to devote your time to it, you will need all the facts you can get.
Throw-Away Gold: Back to Basics
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.
The Treasure Detective—Part II
GNIS is an acronym for the “Geographic Names Information Service” that is maintained by the United States Geological Survey. The database catalogs and standardizes place names in the United States. This information set has nearly 2,000,000...
PLP Update
Face-to-face meetings in Washington, DC, with Trump administration officials and members of Congress are still on hold due to the coronavirus, but Public Lands for the People is continuing to work on mining-related issues via phone and email.
Ask The Experts—Columbium/Niobium
Q: I have samples that have assayed 45-75% columbium/niobium. What is it used for? Do you know anyone who is actively processing this ore? Where should I go from here?
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The Bawl Mill
• A Word From the Editor
• Reading A River: Finding The Paystreaks—Part II
• Miners Discuss Struggles at NWMA
• Ask The Experts—Where to Take Sulfide Ore for Processing
• Ask The Experts—Where Would The Most Gold Tend To Be In This Deposit?
• East Coast Dredger Heads West - Part I
• Growing Pains of the Learning Curve
• Stillwater At Half Speed
• Elko County Has Highest State Median Income
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Pebble Deposit Reveals Mineral Potential
