History & Geology
WSGS Releases New Geologic Maps
December 2011 by Scott Harn
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.Perception of Mining vs. Reality
Many modern mining companies have taken to making a special effort to ensure the goods and services they need are supplied as much as possible out of the local economy.Gold, Quartz & Chalcedony—Part I
Gold has always been noted to have an affinity for quartz to such a degree prospectors almost always dig on quartz veins in a search for the precious metal.
ICMJ Visits Sumpter Oregon, Gold Mining Town
October 2023The Wild Rush to Find More Cobalt—Part I
While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.
Gangue Minerals - What Do They Tell Us?
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
Gold in the San Francisco District Oatman, Mohave County, Arizona
I suspect detailed geological mapping and prospecting would lead to discovery of one or more overlooked gold deposits in the district even though it has been heavily prospected in the past.
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.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Ask the Experts—Looking up mining claims on the Internet
• Ask the Experts—Access to mining claim across private land
• Ask the Experts—Best way to identify calaverite and sylvanite
• Legislative and Regulatory Update
• Prospecting on the North Yuba
• Yesterday's Gold—Today's Mine
• Prospecting Australia—Part III Anatomy of a Nugget Patch in Western Australia
• Nevada Miners: Check Your Claim Markers
• Managers at Fault for Two Deaths at Meikle Mine
• Cold Water Gold
• River Dredging vs. Creek Dredging—Part I
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask the Experts—How do you determine how far a piece of gold has traveled in a stream?
• Where to Find Gold in Indiana
• Testing Ores for Free Gold
