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GEOS 211: Loess Plateau

Wind Erosion

The article that Christian and I decide to read, discussed the impact that wind erosion has had in “the western Qaidam basin along the northeastern margin of the Tibetan Plateau, where wind and wind-blown sand have sculpted enormous yardang fields in actively folding sedimentary strata” (Kapp, et al, 2010).  We found this article to be very interesting because of the theory they propose, that the Loess Plateau was formed by the transport of sediment due to wind off of the Qaidam basin. 

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GEOS 111: Jiangxi Copper Mining Polluting Le’an River

[Photo: Xinhua]

As we saw in class, copper can be fairly easily extracted from malachite. The process involves crushing the malachite in order to increase its surface area and then mixing it with sulfuric acid. The sulfuric acid and malachite create a solution composed of water, copper sulfate and carbonic acid. Steel is then added to the solution and the copper sulfate turns into native copper which collects on the steel.

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GEOS 111: Rare Earth Metal Prices

Rare earth metals are getting less and less popular as the days go by. It seems like in the near future, rare earth metals will no longer be used at all. As Keith Bradsher of The New York Times states, the prices of rare earth metals are declining sharply. Previously, the price of rare earth metals had been rising for three years straight.

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GEOS 111: Curbing Illegal Rare Earth Mines

After reading the title of this article, one may ask who would illegally mine rare earth elements? This is a great question. Here in the United States, the thought of illegally mining rare earth elements, which could be extremely hazardous, rarely crosses a persons mind. Very rarely do Americans hear in the news about mining companies performing illegal operations for a bigger profit.

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