Friday, February 25, 2011

Batholith



Batholith is a large body of igneous rock formed beneath the Earth’s surface by the intrusion and solidification of magma.

Thursday, February 17, 2011

Strata vs. Shield Volcanoes


There are several ways in which a volcano can form, just as there are several different kinds of volcanoes. Volcanism is part of the process by which a planet cools off.
Hot magma, rising from lower reaches of the Earth, eventually, but not always, erupts onto the surface in the form of lava. During the eruption of a volcano, flowing lava and ash, forming a large cone. This cone is what we know as a volcano.

http://www.windows2universe.org/earth/interior/volcanos_general.html

Tuesday, February 8, 2011

Gulf Currents



 Other experts say that the oil is already there—satellite images show oil caught up in one of the eddies, or powerful whorls, attached to the Loop Current, a high-speed stream that pulses north into the Gulf of Mexico and travels in a clockwise pattern toward Florida.

http://news.nationalgeographic.com/news/2010/05/100518-gulf-mexico-oil-spill-loop-current-science-environment/

Tuesday, February 1, 2011

ocean water



There are four temperature scales that give us a relative understanding of the heat in the object or system we are measuring: Fahrenheit, Celsius, Kelvin, and (the less-common) Rankine. The Fahrenheit and Celsius scales are based on two fixed points, the Kelvin and Rankine scales are based on one.

http://www.onr.navy.mil/focus/ocean/water/temp1.htm