GEOLOGIC TIME SCALE - GEOLOGIC TIME SCALE * a method of...

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* a method of indicating the age of the Earth * a sequence based on relative positions of rock strata(layers) * is a relative time scale r * assumes superposition : that younger rocks & sediments are near the top of a formation, & older material is near the bottom * is governed by uniformitarianism u * absolute ages are determined by methods such as radioactive isotope dating GEOLOGIC CYCLE ** The vast cycling of material that occurs in and on the lithosphere, encompassing the hydrologic, * the building and wearing down of landforms * 3 components: hydrologic cycle : tectonic cycle : rock cycle : ROCK CYCLE What are rocks? * mineral : an element or combination of elements that forms an inorganic natural compound which has specific qualities, such as a unique crystalline structure, hardness, etc. Ex: Silicates, based on silicon(Si); Carbonates,
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GEOLOGIC TIME SCALE - GEOLOGIC TIME SCALE * a method of...

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