Small-Scale Hard Rock Production
December 2015 by StaffSo far this year we have recovered over three pounds of gold and the hard rock veins seem to go on forever. We now have three claims that can produce good enough gold to set up a productive operation.
After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?
It was time to prime the pump and start the engine! Dan’s priming method is to use a small, submersible, 12-volt pump. My priming method is to use a hand-operated diaphragm pump.
How do I set up a Miller table?
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
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.
Through the milling process, the rock must be crushed and the values extracted. Let’s break down our discussion into the different parts and elements of the mill…
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
The Bawl Mill • Our Readers Say • Ask The Experts • SB 838 and the Salem Witch Hunt • Researching Mineralized Areas • MMAC & PLP Update • VLF Detector Operating Modes • Using Geologic Maps • Canadian Company Recovers 1,111-Carat Diamond • Lost Sally's Gold • Time to File Claims in Southern California • Colorado Disputes Key Part of EPA Mine Report • Picking Our Way Through Bedrock • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver