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Crater of Diamonds, Arkansas
September 2004 by Edgar B. Heylmun, PhD
Crater of Diamonds State Park is located 4 miles southeast of Murfreesboro, Arkansas...in an area of low hills, about a half-mile north of the Little Missouri River. The region receives 45 inches of rain per year, enough to support pine-oak forests. The diamond-bearing area stands out as grasslands surrounded by forests.Conrey Dredge No. 4
The large buckets were favorable for the type of ground worked. The gravel was tenacious and compact, due to the existence of irregular pockets of clay.
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Options for affordable crushers for small mining operations
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Geologist's Search for PGMs Leads to Mining Venture
One look at a map of the northern portion of Ontario province in Canada clearly identifies it as an area of immense beauty. From Georgian Bay on Lake Huron across to Lake Nipissing and all points north, it is a land of...
New Research Tool for Miners in Wyoming
The Wyoming Geological Survey released an online interactive map...
Our Readers Say
About 10 years ago the Forest Service told a miner that he could not stay on his claim for more than 14 days in a row. I told the miner that he could stay as long as he wants, providing he was mining.
Gangue Minerals - What Do They Tell Us?
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
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