Ch 2. Earth Materials - boundaries Igneous Rocks Formation:...

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Ch. 2: Earth Materials - Minerals and Rocks Keywords: - Elements and Atoms - Minerals - The Rock Cycle - Igneous Rocks - Sedimentary Rocks - Metamorphic Rocks _______________________________________________________ Elements and Atom Elements are composed of atoms Atoms are the smallest unit of matter that retain characteristics of an element Mineral - - - - - - o e.g. SiO 2 = quartz KAlSi 3 O 8 = orthoclase o Exceptions! E.g. (Mg,Fe) 2 SiO 3 = olivine - Characteristic physical properties, o e.g. - Some native elements, most compounds - Minerals groups: - >3500 minerals known, about 24 common (e.g. silicates) Mineral? - Diamond - Ice - Water - Refined sugar - Coal - Quartz - Mercury - Gold - Window glass Rocks Solid aggregates of one or more minerals 1
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The Rock Cycle Recycling of Earth’s materials: especially at divergent and convergent plate
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Unformatted text preview: boundaries Igneous Rocks Formation: 1) ____________ or plutonic (e.g._____________) 2) ____________ or volcanic (e.g. ______________) 2 Classification:-1.: _____________ (tells something about the cooling history of a rock) o o o o o o-2.: _____________ (tells something about the type of magma) o o o Sedimentary Rocks Formation: Classification (texture and composition): o o o Metamorphic Rocks Formation: Changes in the rock: o o Types of Metamorphism: o 3 o Classification: o o Metamorphic rock Parent rock o o o o o o o Earth Materials and Historical Geology Igneous rocks: Metamorphic rocks: Sedimentary rocks : 4...
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Ch 2. Earth Materials - boundaries Igneous Rocks Formation:...

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