Prospecting With a Magnetometer
December 1999 by Edgar B. Heylmun, PhDSwedes were the first to note variations in the Earth's magnetic field, circa 1640, and they were the first to use the dip needle. They made the first magnetometer in 1870.
Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
Representatives of every major environmental group in northern Arizona and nearly every American Indian tribe in the region lined up at a public hearing recently to praise officials from the Coconino National Forest.
This is welcome news. Many silver market commentators have stated publicly that the price of silver, currently hovering around $23.50 per ounce, should be much higher due to the scarcity of supply and the lack of faith in fiat currencies such as the US Dollar.
Thanks to the hard work of our writers and staff, along with the support of our advertisers, we are beginning our 75th year in print.
The first actual discovery of gold made on the lands of what is now the State of Georgia is shrouded in the mist of history.
Eleven year old Josh Evans’ words said it for all of us at the rally: “Finding gold is really fun!”
• Canyon Resources Corp.
• X-Cal Resources
• Homestake Mining Company
• Pan American Silver Corp.
The Bawl Mill • Over the Divide • Our Readers Say • Desert Phone Trashed • ICMJ Elected Prospecting Magazine of 1999 • Advertising Manager Leaving ICMJ • Guest Editorial—California "Special" Dredge Permits in Jeopardy • The Search Continues • Guest Editorial: U.S. Government—Like Nobody's Business • Circulation and Collections Manager Leaving ICMJ • Company Notes • House Chair Requests Records on Forest Decision • BLM Wants to Withdraw South Pass Public Land • Silverton Preserving Lofty Symbol of Mining Era • Hijackers Make Off With 660 Pounds of Gold • 1999 Tables of Content • Lighting the Way Underground 1860-1940s • Millie's Tailings • Picks & Pans: Crevicing & Sniping for Placer Gold • Looking Back • Gold in Sonora • Forest Service Boss Quits in Bull Trout Flap • Melman on Gold & Silver • European Gold Miners Seek Clarification Letter • Mining Stock Quotes and Mineral & Metal Prices • Squeezing Diamond Into Graphite