Growing Pains of the Learning Curve
January 2009 by Jonathan PorterWe 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?
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...
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.
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.
Concerning assay comments...
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.
The Bawl Mill • A Word From the Editor • Reading A River: Finding The Paystreaks—Part II • Placer Gold in the Ortiz Mountains • Miners Discuss Struggles at NWMA • Ask The Experts—Where to Take Sulfide Ore for Processing • Ask The Experts—Where Would The Most Gold Tend To Be In This Deposit? • East Coast Dredger Heads West - Part I • Stillwater At Half Speed • Elko County Has Highest State Median Income • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Pebble Deposit Reveals Mineral Potential