Prospecting for Diamonds
January 2013 by Chris RalphLet’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Some typical questions that you might consider asking yourself about purchasing a dredge might be…
Across and downstream of our operation was a large pile of huge boulders. It was logical to think that water forces may have deposited gold in and around these boulders. We moved our dredge over and started pulling the rock pile apart.
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
What are the tell signs of garnet deposits?
I have smaller pans for cleaning black sand concentrates, big pans for taking large samples, pans with corners for pouring out materials, and pans with lots of special riffles. This variation is why I have so many pans—they each have their specialty.
The big moment finally arrived. With Norm suited up, I pulled the motor to life and felt instantly better. There’s really something relaxing about the sound of a dredge running—they don’t sound like anything else.
As we walked back we were just reaching the point of where the faulting should be and there, covered with deep grass, was very faint evidence of an old road going up the mountainside! What was that old road doing there?
The Bawl Mill • From the Editor • Ask the Experts • Iron Minerals, Your Detector and Gold • The Robinson Mine—Big Things Happen Here • Forty-Six Nuggets • Customizing Your Dredge • Small Miner Beats Forest Service in Court • Using Vegetation and Soil Conditions as Prospecting Aids • Green Valley Reconnaissance • Gold Pour Signals Revival in the Mother Lode • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices