Oil Seeps in Northern California
July 2001 by Edgar B. Heylmun, PhDIndians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.
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...
Roll-Front Uranium Deposits
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.
Gold trapped in the cracks can be encrusted close to the walls or mixed with sand and pebbles, making the gold difficult to see and then extract. Crevicing requires a lot of patience to achieve positive results.
Melman on Gold & Silver
While there may have been events of the past month that were more important, nothing captured the imagination of the nation and much of the world like the election of Arnold Schwarzenegger as California’s new governor-elect. After weeks of on again, off again judicial rulings and a campaign of astonishing muckraking and innuendo-laden accusations, he did indeed enjoy a resounding victory.
Gold Prospecting for Better or Worse: Respect the Angle of Repose
If you have done any hiking in rough terrain you are well aware that going down a slope is much more difficult and dangerous than climbing it.
California State Gold Panning Championships
It took two days to determine the best of the best, and it was a fight to the end.
The Bawl Mill • Our Readers Say • Global Warming—The Press Gets it Wrong, Our Report Doesn't Support the Kyoto Treaty • Former Sunshine Miners Find Work in Montana • CMA Conference Summary • Uranium Deposits • Washington Gold & Fish Update • Prospecting for Diamonds: Is It a Diamond or Crystal Quartz? • Basic Information About Gold Detectors • Diamond Dealer Prevails in Congo • Company Notes • Picks & Pans: The Gold Bullion Mine • Arizona's Border Silver Camps • The Stonewall Jackson Mine, San Diego County, California • Proposal Submitted for Lab at Homestake • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver