All Articles
Prospecting With Color
December 2000 by Edgar B. Heylmun, PhD
Perhaps no one factor has caused more confusion in the search for ore than the attempt to use color as a guide to prospecting. Yet, there is a reason for every color seen in rocks, so it deserves to be noted.
Revised Dredge Regulations Published for California—Pure Garbage
We can’t say it wasn’t expected. The California Department of Fish & Game released revised suction gold dredging regulations on February 17, 2012, and it’s obvious the agency wants to make life as difficult as possible for dredgers.
The Rest of the Story—Detecting With Ray Mills
Ray followed up by detecting the same area and I was happy to see that he did not find any good targets in the same line. So far so good.
The Bawl Mill
• A busy week at work
• Help Needed: light office work, good pay, good benefits...
• FBI pulling weeds in Washington, DC
• Oops!
Proper Assaying of Placer Samples
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
Governor Tells Industry He Will Consider Tax Cuts
Gov. Bill Owens announced to members of the mining industry that he would consider a proposal that provides significant tax reductions for mining companies.
More Gold Recovered Off Florida Coast
Eleven treasure-laden ships that made up the 1715 Fleet were heading to Spain from Havana on July 31, 1715, when they encountered a hurricane off Florida’s central coast.
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The Bawl Mill
• Letter to the Editor
• Potaro District, Guyana
• World Gold Council Launches $3 Million Ad Campaign
• Prospecting for Platinum in Wyoming
• Picks & Pans: More Big River Dredging in Northern California
• Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
• A Changing Diamond Industry Looks to Canada for Growth
• History of Mining—Bradshaw Mountains, AZ—Part II
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
