Prospecting With Color
December 2000 by Edgar B. Heylmun, PhDPerhaps 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.
Due to technical difficulties, the online version of the February 2003 issue of ICMJ is currently unavailable. Please know we are working on this and will get the February issue uploaded as soon as possible. In the meantime, please enjoy the other issues of 2003! Thank you for your understanding! —ICMJ
- WOTUS rule finalized
- Reminder on new claim fees
The biggest nugget I have found detecting here was three grams and the following weekend someone found a 9-gram nugget while detecting. Some have even found quarter-ounce nuggets, with one being a chevron nugget.
There are many smaller old hard rock mines out there—more than you might think. There are some small hard rock properties that are even open to be claimed if one does the right amount of research to find them.
• Assembly Bill 1032
• Forest Service tries to rewrite Mining Law
• California seeks comments from dredgers
• Support PLP efforts
This collection of positives augurs well for strengthening worldwide industrial activity leading to upward price pressures and eventually rising inflationary expectations—all of which have historically positive implications for gold and silver...
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