eggs mini test 3(geology, minerals, & mining)

geology study of earths physical features, processes, and history why study geology? -controls distribution of mineral resources -controls location of many geological hazards earths internal layering -CRUST:thin outer layer rose to top -fairly dense rock stayed in the middle:MANTLE -heavy metals sank to the CORE(iron and nickel) true layers were formed when earth was molten […]

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Geology test (Chapter 4-6)

Igneous Rock formation Solidification of melt- heat prevents them from completely forming- 650- 1200 Extrusive Above earths surface heat is lost rapidly Intrusive Melt infuses already formed rocks Volatiles Interfere atomic bonds Flux melting Melting with volatiles Magma groups Felsic, intermediate, mafic, ultramafic Aphanitic Small minerals- extrusive Phaneritic Easily visible minerals- intrusive Porphyritic Large and […]

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Chapter 11: Geology, Minerals, and Mining

geology the study of Earth’s physical features, processes, and history core Earth’s center. Consists mostly of iron, solid in the inside and molten in the outer area. mantle surrounds the core. Made up of dense, elastic rock. A portion of the upper area is called the asthenosphere and contains soft, melted rock lithosphere above the […]

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Mineral Geology

Identify the two groups of minerals Silicates- Contains silicon and oxygen – 90% of earth’s crust – Combine with elements such as Al, Fe, Mg, and K Non-Silicates- Do not contain combination of Si and O – May contain C, O, F, S – Classes of Non-Silicates – Native elements: Au, Cu, Ag – Oxides: […]

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Geology Test #2 Study Guide

True or False: We are living during the third largest extinction event in geologic history? True A pair of metamorphic rocks with biochemical origins are: Marble and Anthracite Detrital sedimentary rocks are classified (named) based on the: Grain sizes of the detrial particles. The appearance and rapid proliferation of hard boiled macro fossils in the […]

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Chapter 11: Geology Minerals and Mining

Coltan Tantalite found with another mineral (columbite), used in cell phones Geology The study of earth’s history through its rocks, soils, and sediments – In the LITHOSPHERE. Includes the physical features and characteristics, and physical processes Rock Cycle Sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes (Earth’s crust […]

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Geology Ch. 5- Minerals

ionic bond oppositely charged ions attract to produce a neutral chemical compound- weak (velcro) covalent bond sharing of electrons to achieve a stable atomic structure- strong (rope) metallic bond electrons are shared between all atoms van der waals bond opposite charges occuring on opposite sides of a sheet- weak (usually found in weak areas- graphite) […]

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Geology Test #1 (rocks, minerals, earth’s composition)

Theory When a hypothesis has survived scrutiny against competing models: Lithosphere Name the layer that is the upper most portion of the mantle where the tectonic plates float upon: Alfred Wegener Father of the theory of plate tectonics: Athenosphere “Lower” section of the mantle: Transform boundary In plate tectonics, when two plates slide past each […]

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Ch 3: Introduction to Environmental Geology (Minerals and Rocks) Keller

mineral naturally occuring, solid Earth matieral that has formed by geologic processes; building blocks of the rocks that form the solid framework of Earth’s crust geochemistry the study of the chemistry of the earth, of atoms and elements of importance to geologic processes; isotope two atoms of the same element with a different number of […]

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