All Articles
The Fire Assay of Fly Eyes
July 2002 by Dr. Ralph E. Pray
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.Additional articles that might interest you...
The Silver, Gold and Gemstones of Candelaria, Nevada
February 2015
The Candelaria area is of interest to prospectors not just for silver, gold and other metals, but also for the beautiful gemstones found there.
The Candelaria area is of interest to prospectors not just for silver, gold and other metals, but also for the beautiful gemstones found there.
BLM Issues Environmental Review of Wyoming Uranium Mine
September 2012
If all goes well before the BLM issues its final approval, Littleton, Colorado-based UR-Energy could start building the Lost Creek mine by early October, according to company and BLM officials.
If all goes well before the BLM issues its final approval, Littleton, Colorado-based UR-Energy could start building the Lost Creek mine by early October, according to company and BLM officials.
Looking Back
September 2007
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.
Hot Ground or Large Deep Gold?
May 2009
While detecting for gold nuggets with a pulse induction machine, most of the signals we encounter have a normal “wee-ooo” sound. However, while swinging larger search coils, the bigger deeper nuggets can produce a...
While detecting for gold nuggets with a pulse induction machine, most of the signals we encounter have a normal “wee-ooo” sound. However, while swinging larger search coils, the bigger deeper nuggets can produce a...
Gold in Guatemala
May 2001
The Central American nation of Guatemala is better known for civil unrest, earthquakes, and volcanic eruptions than it is for gold. However, there is gold in the country, and there are undoubtedly many undiscovered deposits in the jungles and rainforests.
The Central American nation of Guatemala is better known for civil unrest, earthquakes, and volcanic eruptions than it is for gold. However, there is gold in the country, and there are undoubtedly many undiscovered deposits in the jungles and rainforests.
Lawsuit to Challenge New Forest Service Regulations
August 2004
The Forest Service has been busy lately, promulgating rules and regulations that will negatively impact small miners and prospectors. Public Lands for the People (PLP) is taking action to put a stop to it.
The Forest Service has been busy lately, promulgating rules and regulations that will negatively impact small miners and prospectors. Public Lands for the People (PLP) is taking action to put a stop to it.
Roll-Front Uranium Deposits
October 2003
If the uranium industry stages a comeback, it will not likely be a mad rush like it was in the 1950s. Except for non-radioactive uranium, most surface and near-surface deposits have been found.
If the uranium industry stages a comeback, it will not likely be a mad rush like it was in the 1950s. Except for non-radioactive uranium, most surface and near-surface deposits have been found.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Siskiyou National Forest Update
• Company Looks at Restarting Sunshine Mine
• Piedmont Gold
• Gold & The Dollar
• Picks & Pans: Exploring Wyoming's High Desert
• Sons of Gwalia & Herbert Hoover
• Looking Back
• Prospecting on the Yukon River
• Placer Gold in Arizona
• Bill Could Create New Silver Market
• 2002 Inductees to the National Mining Hall of Fame
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Mystery of Olmec Jade Solved
