All Articles
Continental Drift
November 2003 by Edgar B. Heylmun, PhD
As soon as reasonably accurate maps were made, 200 years ago, one could not help but note the parallelism of some coastlines with those on other continents. The coastlines of Africa and South America, in particular, are strikingly similar. The first scientist to write on the subject was an Austrian, Edward Suess, who put India, Africa, and South America into a supercontinent he named “Gondwanaland.” But, it was not until Alfred Wegener, a German, came out with his “Theory of Continental Drift” in 1912, that scientists took note.Regarding "Good Assays and Bad"
Last month I wrote an article entitled “Good Assays and Bad,” which gathered a few comments.
Gold in Moffat County, Colorado
The area of interest in this article is in eastern Moffat County, located in northwestern Colorado adjacent to the Wyoming line. It is a high, sagebrush prairie which ranges from 6,200 to 7,200 feet in elevation, north and northwest of the county seat of Craig (pop. 8,000).
Ask the Experts
Q: Can you please tell me about diamond fluorescense?
Breaking Rock the Old School Way
Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.
Platinum in Laccoliths
Laccoliths are unusual igneous features that seem to occur in the stable interior parts of continents. They are concordant igneous intrusions that have domed the overlying rocks and are circular in plan, and less than 10 miles in diameter. This article deals with some of the laccoliths found in the scenic Colorado Plateau province of Utah, Colorado, and Arizona...
The Bawl Mill
• Set for life...at everyone else’s expense
• As long as we’re giving away money...
• Consulting pays well in NY
• The old bait and switch...
• Not an enviable record
Company Notes
• Pan American Silver Corp.
• Mountain Province Mining Inc.
• Canyon Resources Corp.
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