All Articles
Gold in Gossan
March 2003 by Edgar B. Heylmun, PhD
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
Additional articles that might interest you...
Noted Geologist Murdered in Kenya
September 2009
Assailants armed with arrows, spears and machetes killed a Scottish-born geologist in an apparent dispute over mining rights in southeast Kenya.
Assailants armed with arrows, spears and machetes killed a Scottish-born geologist in an apparent dispute over mining rights in southeast Kenya.
Rahall Looks to Rewrite 1872 Mining Law
June 2007
For over twenty years, Rahall has been introducing bills in an attempt to overhaul the 1872 Mining Law. On May 10, 2007, he introduced another bill, HR 2262, which would drastically change the laws governing mining if enacted. This time, his bill may have a chance.
For over twenty years, Rahall has been introducing bills in an attempt to overhaul the 1872 Mining Law. On May 10, 2007, he introduced another bill, HR 2262, which would drastically change the laws governing mining if enacted. This time, his bill may have a chance.
Looking Back
September 2002
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Picks & Pans: Virginia Prospecting
April 2003
.jpg)
On a recent day in late November, the Virginia deer hunting season was in full swing. For most of the morning, while I was busy shoveling stream gravel into a sluice, the surrounding woods echoed with the sound of gunfire and...
On a recent day in late November, the Virginia deer hunting season was in full swing. For most of the morning, while I was busy shoveling stream gravel into a sluice, the surrounding woods echoed with the sound of gunfire and...
Jackson Hole Gold, Wyoming
September 2000
Placer gold was found near South Pass, at the south end of the Wind River Mountains, in 1842, and lode gold was discovered in the same area in 1867. The principal gold rush was between 1867 and 1874.
Placer gold was found near South Pass, at the south end of the Wind River Mountains, in 1842, and lode gold was discovered in the same area in 1867. The principal gold rush was between 1867 and 1874.
Sam, the Tenderfoot Prospector
November 2005
There were many thousands of tenderfoot, greenhorn prospectors that came out west in the 1860s and 70s. Some came to make their fortunes; some came to flee other problems back east; and some just came for the adventure. Probably every one had a tale to tell, but one of these adventurous individuals was a young man named Sam, and this is his true story.
There were many thousands of tenderfoot, greenhorn prospectors that came out west in the 1860s and 70s. Some came to make their fortunes; some came to flee other problems back east; and some just came for the adventure. Probably every one had a tale to tell, but one of these adventurous individuals was a young man named Sam, and this is his true story.
Legislative and Regulatory Update
June 2006
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
Subscription Required:
The Bawl Mill
• The Steeple Rock District, New Mexico
• The Hunt for Diamonds, Nunavut, Canada
• Famous Yuba River Dredge Sinks
• Gold in Maine?
• Mud Creek Placer Mine Adventure
• Junior Miners and Investors Gather in Canada
• Picks & Pans: Dredging at Douglas Creek, Wyoming
• Company Notes
• Gold Prospecting on the East Fork River, Alaska (Part III—Conclusion)
• National Mining Hall of Fall and Museum Calls for Poetry
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
