All Articles
Hillside Placers
July 2003 by Edgar B. Heylmun, PhD
Hills and mountains that contain gold deposits will weather and erode over a long period of time, and the eroded material will move slowly downhill. Frost wedging and roots are two of several agents that can cause bedrock to be fractured and...
Additional articles that might interest you...
Calico Mine
May 2002
During the summer break of my first year of college in the late ‘50s, I was unemployed and bored, so my friends and I decided to do some gold mine exploration. We used to read a magazine called Treasure and had a good idea of where all the gold mines were located.
During the summer break of my first year of college in the late ‘50s, I was unemployed and bored, so my friends and I decided to do some gold mine exploration. We used to read a magazine called Treasure and had a good idea of where all the gold mines were located.
Montana Tunnels Gets Final OK
December 2008
Operators of the Montana Tunnels mine about 25 miles south of Helena have final approval to expand it.
Operators of the Montana Tunnels mine about 25 miles south of Helena have final approval to expand it.
The Bawl Mill
June 2008
• Taxpayers taken for a “ride”
• Fellow Congressmen, lend me your earmarks...
• Taxpayers taken for a “ride”
• Fellow Congressmen, lend me your earmarks...
The Pothole Patch
January 2015
"Suh-wheet!" I exclaimed as I sprang to my feet and quickly pumped my detector coil high overhead to alert Smokey that I had just found a nugget.
"Suh-wheet!" I exclaimed as I sprang to my feet and quickly pumped my detector coil high overhead to alert Smokey that I had just found a nugget.
The Bawl Mill
March 2008
• Mulligan for Clyburn—bogey for taxpayers
• The pig is back at the trough
• Mothers Against Renaming Roadways
• Mulligan for Clyburn—bogey for taxpayers
• The pig is back at the trough
• Mothers Against Renaming Roadways
Corralling Those Pesky Platinum Group Metals
June 2005
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
Melman on Gold & Silver
October 2001
Deadlines are something we must live with at ICMJ as with any other publication, and as this columnist’s deadline approached early Tuesday morning of September 11, I turned on the financial channel to get some last pre-market commentary before completing this month’s column. What I saw was virtually beyond belief. A jetliner had just crashed into one of the two towers of the World Trade Center...
Deadlines are something we must live with at ICMJ as with any other publication, and as this columnist’s deadline approached early Tuesday morning of September 11, I turned on the financial channel to get some last pre-market commentary before completing this month’s column. What I saw was virtually beyond belief. A jetliner had just crashed into one of the two towers of the World Trade Center...
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The Bawl Mill
• Our Readers Say
• PLP Members Win Occupancy Case—Appeals Continue
• Prospecting for Iron in Alaska
• Gold Deposits in Skarn
• Picks & Pans: Highbanking on the American River
• Platinum Firm, Palladium to Remain Weak
• Spencer Opal Deposits, Idaho
• Company Notes
• Elko Mining Expo a Success
• Gold Prospecting in Alberta
• National Mining Hall of Fame to Induct Six
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
