Category Archives: plate tectonics

North American Continent Is a Layer Cake, Scientists Discover

Posted on August 27, 2010 by Rashid Faridi

The North American continent is not one thick, rigid slab, but a layer cake of ancient, 3 billion-year-old rock on top of much newer material probably less than 1 billion years old, according to a new study by seismologists at … Continue reading →

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Evolution of Frogs, Rise of Himalayas and Rearrangement of Southeast Asia

Posted on August 6, 2010 by Rashid Faridi

The evolution of a group of muscled frogs scattered throughout Asia is telling geologists about the sequence of events that led to the rise of the Himalayas and the Tibetan plateau starting more than 55 million years ago.  Rearrangement of … Continue reading →

Posted in BIODIVERSITY, earth, interior of the Earth, Mountains, plate tectonics | Leave a comment

Tectonic Plates and Convection Currents

Posted on July 4, 2010 by Rashid Faridi

Plates and Types of Crust The earth’s crust is divided up into a series of slabs of crusts known as plates. These plates consist of two different types of crust: continental crust and oceanic crust. There are important differences between … Continue reading →

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Plate Tectonics

Posted on January 10, 2009 by Rashid Faridi

Plate tectonics is one of those topics that you generally skim through in junior high. But what exactly are plates and how are they related to earthquakes? Plate tectonics is a theory that has become a well-accepted reason to explain … Continue reading →

Posted in earth, interior of the Earth, plate tectonics | 5 Comments