By: Robin Lamb
Alarming new information from the International Centre for Integrated Mountain Development (ICIMOD) suggests that a major disaster in the Himalayas is waiting to happen. According to data compiled by the Kathmandu-based organization, a number of glacial lakes in the region are at risk of bursting...
The importance of sand as a resource
By: Allan Taylor
What is sand? A generally excepted definition is that sand is composed of rock and mineral particles in the size range 0.6 to 2 mm. Below 0.6 mm size the material is called silt and above 2 mm size it is gravel...
By: Jose Juan Gutierrez
Limestone is a sedimentary rock composed of calcium carbonate (CaCO3). Calcite and aragonite are crystal forms of CaCO3. Limestone makes up approximately 10 percent of all the sedimentary rocks in the world. Limestone may form many erosional land formations when in contact with acid. Limestone...
What is the ring of fire?
By: Jose Juan Gutierrez
The ring of fire is a region in the Pacific Ocean of major volcanic and seismic activity. Approximately 90 percent of all the earthquakes occurring in the world have their origin in the Pacific ring of fire. The ring of fire lies in an area...
What is the ring of fire?
By: Christyl Rivers
The ring of fire is basically the geologically active circle around the great Pacific Ocean. Every land mass on the outside of that circle, North and South America, Asia, Russia and Australia encircle, or are located within, an extremely active portion of the globe. Fault...
Study: Iron found in ancient Egyptian artifacts came from meteorites
By: Leigh Goessl
Researchers from The Open University (OU) and The University of Manchester have ascertained that ancient Egyptian communities used meteorites in their metal jewelry. The bead which was analyzed was found in 1911 in a burial site at Gerzeh, located outside of Cairo. Eight other similar...
By: Brenda Speegle
Lurking under the Pacific Ocean are giant pieces of Earth's crust moving in directions that are the opposite of each other. These enormous, continent-carrying plates of earth meet in two ways: They squeeze by each other side to side, or one can push under the...
A brief guide to continental drift
By: D. Vogt
Continental drift refers to the gradual movement of continents across the surface of the Earth. Although the ocean floor is also in a state of gradual but continuous change, the term "continental drift" is used because the continents appear to move, or drift, across the...
By: Gabriele Porrometo
The Atacama Desert is one of the driest places in the world, second only to The Dry Valleys of Antarctica. It is located in the northern part of Chile and occupies small territories in Argentina, Peru and Bolivia. It is around 621 miles in length...
An overview on hydraulic fracturing
By: Joseph Tamone
Hydraulic fracturing is the process of creating, and then reproducing a series of fractures within a well. Millions of gallons of fracturing fluids are then mixed with a proppant material, and pumped into the well. Hydraulic fracturing produces a highly permeable drain that can increase...

 

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