Calcite and Limestone
February 2017 by Chris RalphThe other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
Faults are fractures, breaks and broken zones in the Earth’s crust where one side of the break has moved relative to the other, and they come in many different varieties.
The excitement over IOCG deposits began with the discovery of a monster deposit at Olympic Dam in Australia in 1976. The discovery was accidental as the operator was searching for strata-bound copper deposits.
Most prospectors learn early that pyrite is fool's gold...but the truth is it can be an excellent indicator mineral for gold and in many cases does contain small amounts of gold.
There is reason to believe these stream valleys are still rich with gold, silver and copper.
Wouldn’t it be great if you could know if there is gold in the ground without setting foot on the ground? Well you can, to a certain extent, if you can recognize mined ground from unmined.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts: Looking for help on unproven claim • Detecting Basics: Lose the Bad Habits Not the Gold • Feather River Gold • Detecting Alluvial Bench Deposits • Underground Mining: Getting the Ore Out • From Vietnam to Wedding Bands • Trade-Ins, Swaps and Like-Kind Exchanges • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices