Detecting Canyon Bedrock in The Sierras
September 2018 by Ray Mills
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
Easing around the bedrock ledges and rock hopping, Terry and I came out into the open and were looking at a nice run of bedrock.
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
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.
At this point, stress raised my blood pressure and I was figuring out escape routes through the brush, but thought it best to continue the conversation.
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
Adam’s condition had been deteriorating every step of the way. At times, I could only coax him ten or twenty feet before he laid down again. He refused to eat or drink. At this point, I realized we might not get out of the canyon by dark and might need help getting Adam out at all.
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
Ask The Experts - Why is there no detector signal with pyrite? • Ask The Experts - Need assaying advice • Ask The Experts - Can you tell me anything about the Cherry Creek District in Nevada? • Legislative and Regulatory Update • Understanding Skim Bar Placers • Mining Journal Receives Honor • Gold Prospecting: For Better or Worse • New Research Tool for Miners in Wyoming • PLP Update • Have We Hit 'Peak Gold'? • Old Mine Sites and New Technology • What Happened to The Gold Prospecting and Mining Summit? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices