All Articles
Cobalt and Nickel in Missouri
October 2002 by Edgar B. Heylmun, PhD
Cobalt and nickel are tough silver-white metals, with similar physical properties, that frequently occur together in nature, along with copper sulfides. Cobalt and nickel are used as alloys, providing great strength and resistance...
Additional articles that might interest you...
Bigger Is Not Always Better
October 2009
I stayed on the nozzle (about 25 pounds) and Dave moved rock. We worked the hole for two and a half days. Most of the time was spent moving overburden.
I stayed on the nozzle (about 25 pounds) and Dave moved rock. We worked the hole for two and a half days. Most of the time was spent moving overburden.
Legislative and Regulatory Update
January 2012
• IBLA rules against miner for "late" filing
• Wyoming appeals roadless decision
• Mercury reduction program slated for California
• Oregon wilderness
• Oregon miner prevails in lawsuit against Forest Service and District Ranger
• Canada pulls out of Kyoto Climate Treaty
• IBLA rules against miner for "late" filing
• Wyoming appeals roadless decision
• Mercury reduction program slated for California
• Oregon wilderness
• Oregon miner prevails in lawsuit against Forest Service and District Ranger
• Canada pulls out of Kyoto Climate Treaty
Potential Gold at Old Hydraulic Sites
October 2013
So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
Ask The Experts—What is a "closed" claim?
March 2011
Q: I’ve been using a computer program that lists both active and closed mining claims. Can you tell me the definition of a closed claim and why they would be shown?
Q: I’ve been using a computer program that lists both active and closed mining claims. Can you tell me the definition of a closed claim and why they would be shown?
Alaska: Kodiak Islands Mineral Resources
March 2016
The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.
The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.Detectors Versus Pans
November 2010
Mike scored the best with a total of one-half ounce of gold nuggets. Tom, Brian and Greg each had pieces in the one and a half pennyweight range. The rest of us had small gold and nothing like these three.
Mike scored the best with a total of one-half ounce of gold nuggets. Tom, Brian and Greg each had pieces in the one and a half pennyweight range. The rest of us had small gold and nothing like these three.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Placer Gold in Idaho
• Working the Belmont Mine Butte, Montana—1953
• Simple Sluice Design
• Sunshine Mine Video Brings Back Painful Memories
• Hardrock Detecting
• Gold Garbage: Scams New & Old
• Company Notes
• Picks & Pans: Confessions of a Professional Nuggetshooter
• Gondwana Gold and Diamonds
• Looking Back
• Ghost Towns of Washington County, Utah
• The Fire Within
• 2002 California State Gold Panning Championships—Foresthill, California
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
