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.
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
At the end of the day, Jerry showed me how to clean out the sluice box and then how to pan out the concentrates. As we finished panning, there it was—a little tiny smile of gold...
On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.
How many more clays seams lie adjacent to known shear zones and quartz veins in the pocket areas of southwestern Oregon?
I had my heart set on finding a large nugget on this trip, and it seemed to me that pounding known patches was not likely to turn up a monster. Inevitably I would spend at least half my day wandering off...
Hearty trees, shrubs and plants are a product of the soil conditions in which they grow, so it makes sense that roots near an ore deposit will take on nutrients containing metals if they are present.
Imagine for a minute the year is 1850. You’ve read and heard that gold was discovered in California and the creeks are so rich you can just scoop it up with your hands.
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