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Texas "Hill Country" Gold
December 2003 by Edgar B. Heylmun, PhD
The scenic “Hill Country,” in the heart of Texas, is a recreational area for several large cities, including San Antonio and Austin. Most of the region lies at elevations between 300 and 1,800 feet, and forms an island of igneous and metamorphic...
Mining Stock Quotes and Mineral & Metal Prices
Ask The Experts—Using classifiers
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
Mineralized Calderas in Colorado
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.
Gold Prospecting on the East Fork River, Alaska (Part III—Conclusion)
In this trip, Riley came along with Jay, and Harold came down later. We brought a six-inch dredge down to the creek. We had hoped to use it, but we didn’t.
Doc Livingston
Charles “Doc” Livingston was born September 28, 1920, in Veve, Indiana. At the ripe old age of 13, he moved to a bustling mining town called Iowa Hill, in Placer County, California. For the next 64 years he worked in, around, or out of the historic mining town.
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.
PLP Update: Back to The 'Swamp' on Behalf of Small Miners
We spent the morning in a meeting with one of the higher-ups at the US Forest Service. I presented him with 412 complaints received from our readers, along with a summary of the complaints to make his job easier.
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The Bawl Mill
• Searching for Placer Diamonds
• Lawsuit on Alleged Market Manipulation Continues
• A Guide to Overlooked Gold Deposits—Part IV
• Picks & Pans: Detecting in Northern Nevada
• Miners Welcome Comments by Alaska Official
• Company Notes
• Spectacular Specimens Found in Northern Nevada
• New Life for the Suction Nozzle
• Oil Seeps in Arizona
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
