Category Archives: Landforms

River Stages:Middle Course of the River – Meanders & Ox-bow Lakes

Posted on April 27, 2011 by Rashid Faridi

In this stage the river channel has become much wider and deeper as the channel has been eroded and the river has been fed by many tributaries upstream. Consequently, despite the more gentle gradient the velocity of flow may be … Continue reading →

Posted in Landforms, Rivers, water | 10 Comments

Quicksand: A Non-Newtonian Fluid

Posted on March 1, 2011 by Rashid Faridi

Quicksand is a colloid hydrogel consisting of fine granular matter (such as sand or silt), clay, and salt water. Water circulation underground can focus in an area with the optimal mixture of fine sands and other materials such as clay. The water moves up and then … Continue reading →

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Amusing Chocolate Hills in Philippines

Posted on January 28, 2011 by Rashid Faridi

The Chocolate Hills are an unusual geological formation in Bohol, Philippines.According to the latest accurate survey done,there are 1,776 hills spread over an area of more than 50 square kilometres (20 sq mi). They are covered in green grass that … Continue reading →

Posted in Landforms, Mountains | 1 Comment

Opening and Closing of Ocean Basins

Posted on January 19, 2011 by Rashid Faridi

No rock is accidental.  No idea in geology is more profound than this; it runs from the center to the whole of geology and influences every sub-discipline of the field. Genuine understanding of the science of geology begins with one’s … Continue reading →

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