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National Hall of Fame Names 2017 Inductees
August 2017 by Staff
Additional articles that might interest you...
Spencer Opal Deposits, Idaho
July 2003
In order to give the reader a better appreciation of some alternative valuable minerals that can be found by the average prospector, we visited Bob Thompson’s Opal Mountain Mine located in Spencer, Idaho.
In order to give the reader a better appreciation of some alternative valuable minerals that can be found by the average prospector, we visited Bob Thompson’s Opal Mountain Mine located in Spencer, Idaho.
Surface Indications Of Quartz Adularia Epithermal Deposits
May 2015
I am going to keep to the basics of surface indications and visual clues in the rocks and minerals themselves that help me find gold-bearing veins in this classification of deposits.
I am going to keep to the basics of surface indications and visual clues in the rocks and minerals themselves that help me find gold-bearing veins in this classification of deposits.
PLP and MMAC Update
January 2018
Corralling Those Pesky Platinum Group Metals
June 2005
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
Hands-on at Iowa Hill
June 2011
A number of crevices were still waiting to be cleaned out. A lot of the gold remaining in the pit was very fine sized, but a few small nuggets were also recovered.
A number of crevices were still waiting to be cleaned out. A lot of the gold remaining in the pit was very fine sized, but a few small nuggets were also recovered.
Oregon Suction Gold Dredgers Score Big Win
February 2010
The main issues in this case involved the DEQ’s authority to regulate discharges under sections 402 and 404 of the Clean Water Act.
The main issues in this case involved the DEQ’s authority to regulate discharges under sections 402 and 404 of the Clean Water Act.
Gold From Cemented Gravels
November 2011
The truth is that cemented gravels are really not all that complex. There is no mystery of how gold grew there or somehow wormed its way into these solid gravels.
The truth is that cemented gravels are really not all that complex. There is no mystery of how gold grew there or somehow wormed its way into these solid gravels.
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