Category Archives: Uncategorized

Classification of Igneous Rocks

Posted on April 25, 2008 by Rashid Faridi

Igneous rocks are classified by using grainsize, silica content, and/or silica saturation. Other methods of classification include the International Union of Geological Sciences (IUGS) scheme and the Total Alkalies vs Silica scheme. Grain Size Based on the predominant grainsize that … Continue reading →

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Ozone Hole

Posted on April 23, 2008 by Rashid Faridi

Ozone hole splits in two Hole over Antarctica also markedly smaller this year, scientists say False-color satellite imagery from Sept. 26 shows the double ozone hole as dark blue splotches around Antarctica. Click on the video button to watch an … Continue reading →

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The Black and White Aerosols Show

Posted on April 22, 2008 by Rashid Faridi

A paper published in Nature Geoscience last month received a lot of media attention. And rightly so. It showed that the Black Carbon (BC) component of soot is responsible for up to 60% as much warming as CO2. That is … Continue reading →

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Ocean Currents and Climate

Posted on April 21, 2008 by Rashid Faridi

An ocean current is any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earth’s oceans.There are two type of Ocean Currents: Surface Currents—Surface Circulation These waters make up about 10% of … Continue reading →

Posted in climate change, oceans, Uncategorized | 2 Comments