Wednesday, February 23, 2011

Batholith



A batholith isa a large body of igneous rocks formed beneath the earths surface by the intrusion and solidification of magma.  batholith has an irregular shape with side walls that incline steeply against the host rock.A well-known batholith is located in the Sierra Nevada range of California, U.S.

Thursday, February 17, 2011

Strata Vs. Shield Volcanoes.

VS.
A Strata volcano is looks more like a mountain and a shield volcano looks more like a hill. Shield volcanoes generally erupt fluid basaltic lava. Strata volcanoes are characterized by eruptions of lava that is more viscous.

Wednesday, February 9, 2011

Gulf Currents





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