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Growing Pains of the Learning Curve
January 2009 by Jonathan Porter
We would all love to think that gold was as easy to find as the grinning guy in the glossy brochure makes it seem; after all, those nuggets are just laying around (on top of the ground in some cases) just waiting to be picked up by whomever wishes to make the effort. So why does it sometimes seem so hard?
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Higher Zinc Price Creates Opportunity
April 2005
Zinc is brittle and crystalline at ordinary temperatures, but when heated to between 110°C and 150°C it becomes ductile and malleable; it can then be rolled into sheets. The bluish-white metal is used principally for galvanizing iron, but also...
Zinc is brittle and crystalline at ordinary temperatures, but when heated to between 110°C and 150°C it becomes ductile and malleable; it can then be rolled into sheets. The bluish-white metal is used principally for galvanizing iron, but also...
ICMJ Gold Prospecting and Mining Summit Postponed
October 2017
Rock and Formations of the Mother Lode Gold Belt
October 2015
The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.
The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.
Benches and Fossil Placers
March 2013
Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.
Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.
Our Readers Say
January 2001
Concerning assay comments...
Concerning assay comments...
Melman on Gold & Silver
December 2001
Those who declared that our world would be forever changed after the events of September 11 certainly appear to have been right. Not only is the evening news filled with the events of the anti-terrorist war, but even our vocabulary has changed—along with our geographic knowledge. People who did not know Afghanistan from East Timor—and who could have cared less—can now recite at will facts about Kabul, Islamabad, Jalalabad and Uzbekistan.
Those who declared that our world would be forever changed after the events of September 11 certainly appear to have been right. Not only is the evening news filled with the events of the anti-terrorist war, but even our vocabulary has changed—along with our geographic knowledge. People who did not know Afghanistan from East Timor—and who could have cared less—can now recite at will facts about Kabul, Islamabad, Jalalabad and Uzbekistan.
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