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Proposal Submitted for Lab at Homestake
July 2001 by Associated Press
Rapid City, S.D. (AP)—Scientists and a team of South Dakotans have submitted a $281 million, five-year plan to turn Homestake Mine in Lead into the world’s largest underground laboratory.The Portable XRF Gun
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
Hard Rock 101: Advanced Micro Blasting
They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.
Prospecting Tales: Forest Service, Fires and Bears—Oh My!
I woke up on Sunday morning, August 10, to heavy smoke. I saw where it was coming from, but it seemed like it was a long way off so I thought I was okay for the time being.
Oregon Miners File for Summary Judgment
On November 30, 2015, the Galice Mining District (with the support of the Waldo Mining District), along with several Oregon mining associations and individuals, filed a Motion for Summary Judgment against the State of Oregon and SB 838...
The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers
This last installment in the series will look at methods for finding and recovering coarse gold from alluvial (river and stream) placer environments. Unlike the residual and eluvial placers that we have considered previously, the force of flowing...
Ask the Experts
Q: ...where would you recommend selling class rings and other scrap gold?
VLF Detector Operating Modes
It is important to note that discrimination is a type of electronic filtering. The signal is analyzed, and depending on the discrimination setting, identified as either a target to be dug or a target to be ignored.
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