Excavator Testing Wet Placer Ground
April 2013 by Jim HalloranThe excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
Rick donned a pair of fiberglass shin guards that he normally wore dredging, just in case he uncovered the rattlesnake during his digging and rock moving. I wasn’t convinced they were going to provide enough protection.
...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!
There are many smaller old hard rock mines out there—more than you might think. There are some small hard rock properties that are even open to be claimed if one does the right amount of research to find them.
...this county contained some of the richest placer ground found in all of California and still produces some pretty impressive finds to this day.
Old mine workings and tailing piles can represent opportunities on many levels, from the chance to simply find a nugget on up to the commercial reworking of the old tailings for profit.
Let’s set up a thought experiment: Suppose you had some material that ran one ounce per ton gold, which is generally considered high grade to fantastic grade depending on the circumstances.
I started with, "Hey, Rusty, tell me about the time..." and that was all it took.
The Bawl Mill • Ask the Experts - processing plants that can extract rare earth metals • Ask the Experts - what does MDB&M stand for? • Ask the Experts - proper mining claim procedures • The Hughes Creek Placers, Montana • Benefits of a Detecting Partner • Hard Rock Milling: A Matter of Scale • Paperwork Guy—A Cautionary Tale • ICMJ Online Forum Now Available • Detecting For Gold—Are You Up For It? • A Trip Down the Yukon River • Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices