History & Geology
California's Mother Lode Quartz Veins
May 2015 by Chris Ralph
The actions of the hot, ore-bearing solutions are not limited only to the deposition of material within the walls of the fissures.
Strategic Metals—Part II
There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.
Quartz: The Indicator of Gold
Quartz: The Indicator of Gold
A New Look at Old Mines
Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...
Another Prospecting Adventure: Coulterville
What also helped keep Coulterville alive was the fact that the town itself happened to be sitting on top of one of the richest veins in the Mother Lode. The ledge itself was three hundred feet wide.
The Struggle to Reopen Alaska's Largest Gold Mine
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
Weathering, Erosion and Placers
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
How Rich Must My Ore Be?
How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?
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• Ask The Experts
• Key to Successful Prospecting: Confidence
• What To Look For—And Look Out For—In A Placer Mineral Report
• Additional Note on Bluff's Beach
• Surface Indications Of Quartz Adularia Epithermal Deposits
• Montana’s Rosetta Stone: Discovering Mines In The Treasure State
• Perception of Mining vs. Reality
• Partnering for Tax Savings
• Over The Divide: Charles Lewis Garrett
• Piggin' for Gold
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
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