All Articles
Clarence King, Geologist
May 2004 by Edgar B. Heylmun, PhD
Clarence King was born in Rhode Island in 1842, the son of a businessman. His father died when he was 6, so he was raised by his mother. She wanted to have Clarence attend the very best schools, and even moved in order to have him in the best district. She gave him a magnifying glass on his 7th birthday, and this led to his discovery of fossil ferns in neighborhood rocks.Additional articles that might interest you...
Melman on Gold & Silver (2008 Year in Review)
December 2008
Our December issue is when we take a look backward at the year nearing completion, and this year is no exception. When we do look backward over the past eleven months, all we can say is, “What a year this has been!” And that isn’t meant in a positive...
Our December issue is when we take a look backward at the year nearing completion, and this year is no exception. When we do look backward over the past eleven months, all we can say is, “What a year this has been!” And that isn’t meant in a positive...
Ask The Experts: Equipment to break up heavy clay
January 2017
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
The Bawl Mill
November 2004
• Corectting misteaks
• It pays to resign
• Corectting misteaks
• It pays to resign
The Guyana Highlands
October 2004
The Guyana Highlands referred to here are a tropical upland area that extends from French Guiana on the east to Colombia on the west, with elevations reaching 9,219 feet. It occupies a vast and remote region between the Orinoco River on the north and the Amazon River on the south. There are mountains, tablelands, mesas, and swamps, largely impassable to those on foot.
The Guyana Highlands referred to here are a tropical upland area that extends from French Guiana on the east to Colombia on the west, with elevations reaching 9,219 feet. It occupies a vast and remote region between the Orinoco River on the north and the Amazon River on the south. There are mountains, tablelands, mesas, and swamps, largely impassable to those on foot.
Drive Under Way to Restore the Rights of Suction Dredgers
September 2009
California Governor Schwarzenegger signed SB 670 on August 6, 2009, which temporarily halts suction dredging in California until a new Environmental Impact Report (EIR) is completed. This was despite a request from...
California Governor Schwarzenegger signed SB 670 on August 6, 2009, which temporarily halts suction dredging in California until a new Environmental Impact Report (EIR) is completed. This was despite a request from...
Guinea Africa: Gold, Ebola, and a Monkey Barbecue
December 2014
With great relief, the equipment I chose worked well, and after shoving into three days what should have been ten days of set-up and testing, we were up and running.
With great relief, the equipment I chose worked well, and after shoving into three days what should have been ten days of set-up and testing, we were up and running.
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The Bawl Mill
• Economic Analysis on Critical Habitat for Bull Trout
• Prospecting for Copper
• US Mining Industry Outlook Brighter
• Gold in the Chinle Formation
• Gold Dredgers Rescue Threatened Fish
• Gold Mine Plans Upheld in Lawsuit
• DOI Computers Back Online
• Picks & Pans: Nuggets by the Dozen in Alaska
• Historical Mining Methods
• The Elusive Mother Lode
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
