GeoNotesTest1

GeoNotesTest1 - 1. Geo=Greek (Earth) Logis=Greek (study) 2....

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1. Geo=Greek (Earth) Logis=Greek (study) 2. Divided into 2 broad areas: a.Historical Geology = orgin and evolution of the Earth b.Physical Geology = study of Earth materials and processes 3.Some things you will learn: a. Natural Hazards – Earthquakes, floods b. Natural Resources c. Impact of Geology on Politics and History d. Impacts of Geology on Land Use (town, blds, roads, etc.) h. Geologists as pollution fighters Structure of Earth 1.Core (inner and outer) *inner core is solid and outer core is liquid 2. Lower Mantle 3. Upper Mantle 4. Crust Movement of Outer Portions of Earth 1. Asthenosphere=most of upper mantle except most near surface portion *capable of flow by convection currents 2. Lithosphere=crust and upper part of upper mantle -Rigid Solid -Capable of movement as plates -Plate tectonics (ex. Mid-Atlantic Ridge) Plate Tectonics and Rock Cycle 1. Igneous Rocks-formed from molten rocks (magma 2. Sedimentary rocks-formed by weathering, transportation and deposition 3. Metamorphic Rocks-formed from sedimentary or igneous rocks by heat and pressure Minerals I. Minerals : a naturally occurring inorganic crystalline solid with a narrowly defined chemical composition and characteristic physical properties. II. Rock
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This note was uploaded on 04/07/2008 for the course GEO 101 taught by Professor Cohen during the Spring '08 term at South Carolina.

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GeoNotesTest1 - 1. Geo=Greek (Earth) Logis=Greek (study) 2....

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