Prospecting for Diamonds in Kimberlite
January 2014 by W. Dan HauselKimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
It is important to note that discrimination is a type of electronic filtering. The signal is analyzed, and depending on the discrimination setting, identified as either a target to be dug or a target to be ignored.
Nevada produces about 75% of all the gold mined in the US. This means that all the other 49 states combined only produce 25%, and this includes California, Alaska and Arizona.
During this trip we found enough gold to make us want to come back, even with the punishment of a very long, tough hike.
Over the years that I have been detecting for gold I have had many of the same questions come up. I decided to write this article to hopefully answer some questions that a person wishing to detect for gold may have.
Gold can potentially be found in all the glaciated areas of the Midwest, but to find it in any appreciable amount one needs to look to areas where the gold gets concentrated by more recent water flows.
This rock had been with a family for many years and they were cleaning up an old workshop that had lots of minerals and miscellaneous “ore” samples.
The Bawl Mill • Ask the Experts: Big rocks or small cobbles? • Ask the Experts: Quartz rock and the chance of gold in my area of New Hampshire? • Ask the Experts: Equipment and gold locations in Colorado • Ask the Experts: Silent partners and mining—is it worth the risk? • Sierra County Gold—Part II • The Silver Islet Mountains of Utah • Gold Placers of the Kenai Peninsula, Alaska • Alternative Gold Leaching Methods • Over the Divide • Additional Note Regarding "Strategic Metals—Part II" • Take a Kid Detecting • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices