Underground Mining: Getting the Ore Out
February 2017 by Chris RalphChoosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
One of the first things we did while looking at buying the equipment was figuring out how it would dovetail into the milling process we already had in mind.
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts: Looking for help on unproven claim • Calcite and Limestone • Detecting Basics: Lose the Bad Habits Not the Gold • Feather River Gold • Detecting Alluvial Bench Deposits • From Vietnam to Wedding Bands • Trade-Ins, Swaps and Like-Kind Exchanges • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices