Small Mining Operations
The Basics of Froth Flotation
June 2015 by Chris Ralph
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
Good Research and Bad Luck
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
The Giant King Mine
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
Gold Rush in the Congo
It all started with a phone call from my friend and prospecting partner Pat Keene. He told me that he knew of an investor who was just starting out in the gold industry and was looking for a gold consultant to go to Africa to prospect and analyze a 400 sq. mile concession in the middle of the Congo rainforest. I waited for the “just kidding” line...
Northwestern Alaska Mineral Resources
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
Subscription Required:
The Bawl Mill
• Ask The Experts
• Ask The Experts
• Ask The Experts
• Ask The Experts
• Ask The Experts
• Companion Gold
• The Smell of Gold—Part I
• A Few Tips and Tricks for Beach Mining
• Direct and Constructive Notice
• Moore Creek, Alaska—Then and Now
• Nome Offshore Dredging Creates Challenges
• Mining Journal Wins Again!
• The Montanore Copper and Silver Project
• Family Wins Back Seized Gold Coins
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• Update on MMAC & PLP
