Let us help you recover valuable metals. 888-437-1187

Magazine

All Articles

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

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Melman on Gold & Silver


...it is beginning to appear that we are recently witnessing a gradual buildup of background information that could lend strength to the arguments for ultimately higher gold and silver prices.

The Robinson Mine—Big Things Happen Here


When I’m traveling through the West, I sometimes take detours that lead me to places that I never knew exist

Opening Ceremony for Buckhorn Mine


“When the mine is in full operation, it will be the biggest private sector employer in Ferry County and bring significant economic benefits to the region..."

Global Hunter


Chile may be considered geographically a part of Latin and South America, but it is remarkably different from other notable nations belonging to that region such as Mexico and Peru.

WMD Raffle Raises Funds for Lawsuit


On February 6, 2003, the environmental group Siskiyou Regional Education Project (SREP) filed suit in US District Court in Medford, Oregon, against the Siskiyou National Forest (SNF), in a third attempt to ban all suction dredging in the SNF.

Ask The Experts—Using classifiers


Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.

The Significance of Nuggets in Placers


Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.

Subscription Required:
The Bawl Mill   • Letter to the Editor   • Potaro District, Guyana   • World Gold Council Launches $3 Million Ad Campaign   • Prospecting With Color   • Prospecting for Platinum in Wyoming   • Picks & Pans: More Big River Dredging in Northern California   • 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

Free:
Legislative and Regulatory Update

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue