Environmental GeologyChapter 14Plate Tectonics and the Rock CycleRocks and MineralsStrategic Geological and Mineral ResourcesEnvironmental Effects of Resource Extraction:Types of Mining; Restoration PossibilitiesConserving Geologic ResourcesGeologic HazardsLearn the processes associated with:
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Earth is a layered sphereCrust- Cool, lightweight, brittle outermost film that floats on top of mantle; a.k.a. lithosphereMantle- Hot, pliable semi-solid rock layer surrounding the core; less dense than coreCore– 2-layer interior composed of dense, intensely hot radioactive metal (Fe)