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.
A two-pronged approach is necessary to restore suction dredging; federal preemption needs to be established as addressed above via petition; and clarification from the EPA is needed to establish that no Section 402 permit is necessary when there is no “addition” of a pollutant.
In this article I am going to talk about the different sources of gold and the clues a prospector can follow to find the source.
We continue to seek out a patented mining property with an owner who is willing to host such an event with a water supply and enough remaining gold to make it worthwhile for the students.
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
We decided to check some spots that were pretty good to us on previous trips. The detector was deceptively simple with few buttons and auto-ground balance.
A while back I was given a very special opportunity to take my metal detector to one of the most famous gold mines in all of California, the Original Sixteen to One mine in Alleghany.
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
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