General Geology GEO 201

General GeologyGEO 201Introduction to earth and rock typesIntroductionWhat is Geology? Greek NameGeo= Earth, Logos = science . So geology is the science of the Earth.IntroductionWhy should we study geology?

We are fundamentally dependent on Earth's resources to function as a societyAge of Earth The earliest estimates of the age of the Earth were not based in science at all, but were determined from biblical interpretations that the Earth formed a mere 6010 years ago, in 4004 B.C.Radiometric age datingofmeteoritematerial showed that theage of the Earthis 4.54 Billion Years

Earth Layer Structure

Earth Layer Structure

Earth Layer StructureCrustOceanic 7 km thick, dark igneous rock basalt, young (