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The Notch Peak Intrusive
October 2005 by Alan J. Chenworth
![](/UserFiles/file/200510/TOC-29-Notch-Peak.jpg)
Additional articles that might interest you...
Trio Accused of Stealing $1.7 Million in Gold
November 2006
Three former employees of a Colorado gold mine face charges of stealing more than $1.7 million in unprocessed gold, prosecutors said.
Three former employees of a Colorado gold mine face charges of stealing more than $1.7 million in unprocessed gold, prosecutors said.
Tips on Crevicing for Gold
November 2012
When everything is still dry, one of my favorite methods of prospecting is using a straw to blow out small cracks and crevices that dot the exposed bedrock along a stream.
![](http://www.icmj.com/userfiles/images/201211/TOC-crevicing.jpg)
Guinea Africa: Gold, Ebola, and a Monkey Barbecue
December 2014
With great relief, the equipment I chose worked well, and after shoving into three days what should have been ten days of set-up and testing, we were up and running.
![](http://www.icmj.com/userfiles/images/201412/17-guinea.jpg)
WMD Raffle Raises Funds for Lawsuit
May 2003
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.
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.
New ICMJ Website Almost Here
October 2016
Montana Tunnels Gets Final OK
December 2008
Operators of the Montana Tunnels mine about 25 miles south of Helena have final approval to expand it.
Operators of the Montana Tunnels mine about 25 miles south of Helena have final approval to expand it.
Carbonatites
February 2005
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.
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