All Articles
The Significance of Boulders in Placer Deposits
February 2010 by Jim Halloran
The good news about boulders is they can trap heavy minerals. The bad news is moving them out of the way can be a real struggle.
Additional articles that might interest you...
The Bawl Mill
March 2008
• Mulligan for Clyburn—bogey for taxpayers
• The pig is back at the trough
• Mothers Against Renaming Roadways
• Mulligan for Clyburn—bogey for taxpayers
• The pig is back at the trough
• Mothers Against Renaming Roadways
The Smell of Gold -- Part II
July 2015
While mapping, I also found rock chips in the soil that were characteristic of the same wall rock alteration that occurs adjacent to the known lodes in the greenstone belt.
While mapping, I also found rock chips in the soil that were characteristic of the same wall rock alteration that occurs adjacent to the known lodes in the greenstone belt.
Hidden Value in Old Tailings
March 2014
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The Bawl Mill
September 2010
• Pouring money down an artsy drain...
• Big government gets even bigger
• California leads the way...to financial ruin
• Pouring money down an artsy drain...
• Big government gets even bigger
• California leads the way...to financial ruin
Small-Scale Concentrating and Recovery Methods
April 2011
The first step in my recovery process after milling the ore to the desired size is to table it. On this particular ore, I get good results milling it to minus 100 mesh.
The first step in my recovery process after milling the ore to the desired size is to table it. On this particular ore, I get good results milling it to minus 100 mesh.
Moving The Big Rocks
October 2016
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
Drywashing for Eluvial Gold in the Desert—Using a Portable Drywasher and Hand Tools
February 2005
Often the gold being recovered by drywashing is too fine to be recovered by metal detecting. For every “detectable” nugget found, there could be hundreds of smaller flakes of non-detectable size. Thus, for those that “read the ground,” and snipe for areas of favorable placer concentration, drywashing will continue to be both an inexpensive...
Often the gold being recovered by drywashing is too fine to be recovered by metal detecting. For every “detectable” nugget found, there could be hundreds of smaller flakes of non-detectable size. Thus, for those that “read the ground,” and snipe for areas of favorable placer concentration, drywashing will continue to be both an inexpensive...
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