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Colorado Wildfires

September 9th, 2010 | No Comments | Posted in Geology.com

Wildfires continue to be a problem for thousands of people in Colorado.

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Impressive Debris Flow – Hunza, Pakistan

September 8th, 2010 | No Comments | Posted in Geology.com

This is one of the most impressive debris flows that you will ever see. About one minute into the video you will see people on the opposite side of the stream start to run when they see what is coming at them!

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Rapid Magnetic Reversal

September 7th, 2010 | No Comments | Posted in Geology.com

Reversals of Earth’s magnetic field occur about once every 200,000 years and require a few thousand years to slowly change. A Reuters article describes one reversal that occurred very fast.

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Zero-Energy Home in New York City

September 5th, 2010 | No Comments | Posted in Geology.com

This video features a “zero-energy” home.

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Video: Mariner Energy Oil Platform Fire

September 3rd, 2010 | No Comments | Posted in Geology.com

This video provides an overview of yesterday’s Mariner Energy oil platform fire in the Gulf of Mexico. This was a production platform servicing existing wells, not a drilling rig like the one associated with the BP spill.

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Hurricane Earl Information

September 2nd, 2010 | No Comments | Posted in Geology.com

The best place to get updated information about Hurricane Earl is the National Hurricane Center. There you can view updated maps that show the hurricane’s projected path, wind speed probabilities, public advisories, satellite images and much more. As of Thursday morning at 9:00 EST there were warnings and watches posted all along the east coast

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Solar Radiation and Earth’s Atmosphere

September 1st, 2010 | 2 Comments | Posted in Geology.com

“The sun’s energy output declined to unusually low levels from 2007 to 2009, a particularly prolonged solar minimum during which there were virtually no sunspots or solar storms. During that same period of low solar activity, Earth’s thermosphere shrank more than at any time in the 43-year era of space exploration.”

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Chinese Investments in Afghanistan Mineral Development

August 31st, 2010 | No Comments | Posted in Geology.com

Mineral consumption in China has been growing rapidly and Chinese interest in the mineral resources of other countries is growing. This article reviews some of these investments, in particular, two in Afghanistan

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Yosemite Rock Fall Hazards Video & Map

August 28th, 2010 | No Comments | Posted in Geology.com

Yosemite Valley is a deep, glacier-carved valley bounded by steep granite cliffs. These steep cliffs produce numerous rock falls and rock slides every year. The falls can be massive, involving millions of cubic meters and the results can be fatal. Related: Photo sequence of a spectacular rock fall in Yosemite by Herb Dunn.

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Spectacular Emerald Found in North Carolina

August 28th, 2010 | No Comments | Posted in Geology.com

Terry Ledford found a 310 carat piece of emerald rough in Alexander County, North Carolina that was cut into a spectacular 64-carat gem. Experts believe it is the largest cut emerald ever produced from a North American deposit. (The photo of the gem on Cleveland.com shows a number of clarity characteristics within the stone –

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