ICMJ Elected Prospecting Magazine of 1999

December 1999 by Staff

Mining Expedition at Eagle Rock—Part I

May 2009
We spent the winter and spring months obtaining all of the prospecting and camping gear that would be needed to sustain the five of us for 14 days on the river.

Oregon Suction Dredge Permit Update

July 2007
On May 29, 2007, the Eastern Oregon Mining Association (EOMA) filed their Opening Brief in the Oregon Court of Appeals against the Oregon Dept. of Environmental Quality (DEQ).

Mines and Money

July 2004
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.

Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them

December 2000
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.

The Small Hardrock Mill—Part I

July 2006
Ore dressing is of prime importance to the operator of a small hardrock gold mine. No, Virginia, ore dressing has nothing to do with dressing in the latest spring dresses, or the stuff that gets forced into the turkey on Thanksgiving. It refers to the method of processing ore to extract the valuable minerals contained in the rock—in the case of this series of articles, gold and silver.

Over The Divide

August 2004
T. Lyle Taylor
Jan. 2, 1945 - Jun. 18, 2004

Large Gold Deposit Types

October 2018

It is not necessary to have a PhD in geology, but you need to know the basics, so that’s what I am going to try to dig into here—the understandable basics of these gigantic gold deposits.

Subscription Required:
The Bawl Mill   • Over the Divide   • Our Readers Say   • Desert Phone Trashed   • 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   • Prospecting With a Magnetometer   • 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

Free:
Legislative Update