Hard Rock 101: Small-Scale Blasting
August 2020 by John Norman
…the process remains much the same: Drill holes, load explosives, close up the holes, blast and muck out the resulting broken rock.
Father’s Day in Australia was on September 2, and it’s a day a group of miners from “down under” won’t soon forget.
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
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.
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.
After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?
I have figured out over the years that the winning combination is hard work, persistence, knowledge, and a little luck. This leads me to describe one of my best finds ever, a “honey hole” of placer gold, if you will.
The Bawl Mill • Ask The Experts - Where can I obtain chemicals for flotation? • Ask The Experts - Can I get an update on your efforts in DC? • Ask The Experts - What equipment do I need to enter an old lode mine? • Hard Work Pays Off On Hard Rock • The Mysterious Telluride Minerals • Detecting: Getting Away From The Heat And Into The Gold • The Coolgardie Gold Mining Camp of Southern California • Gold Prospecting for Better or Worse: How Curiosity Burst My Platinum Bubble • Prospecting for Copper—What to Look for on the Outcrop • Dredging Tips and Tricks: A Measure of Water Pump Efficiency • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices