All About Hard Rock Drills
July 2021 by John Norman
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
There is reason to believe these stream valleys are still rich with gold, silver and copper.
I’ve been following the precious metals for decades, and I haven’t seen a move this powerful in many years.
His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.
The 316 Mining Company has not been all that successful, but does not ever seem to learn from their past mistakes.
Since we know that the secret to breaking rock is applying force from the inside out (putting tension on the rock), we will be looking at ways we can generate force using human and machine power.
The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - What percentage of the gold price can I get from a buyer? • Ask The Experts - Is a hookah battery setup legal in California? • Ask The Experts - Are friends and relatives regulated like employees? • Ask The Experts - What do you use for flux for melting gold? • Ask The Experts - Why Isn't There A Dual Coil Detector? • Ask The Experts - Who has the rights to a vein that goes under a neighboring claim? • Ask The Experts - Is platinum usually magnetic? • Ten Detecting Tips for the Savvy Desert Prospector • Gold Prospecting for Better or Worse: When a Gold Prospector Goes to a Diamond Mine • Why So Much Gold in Nevada? • A Golden Past • Fire Assay Finish by Silver Nitrate Fusion for PGMs • Do Gold Nuggets Come Out At Night? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices