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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Sedimentary rocks (formation) |
Rock weathered-> particles carried-> sediment layers built-> evaporation of ground water leaves over minerals-> minerals act as cement (lithification) |
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Sedimentary rock (examples) |
Breccia, Chalk, red sandstone, shelly sandstone |
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Igneous rocks (def) |
Solidified cooled magma |
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Igneous rocks (formation) |
Rock material if lower lithosphere/mantle is semimolten-> Sudden pressure release-> Rock material becomes magma |
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Igneous rock (2 types) |
Intrusive: Magma solidified below surface Extrusive: Lava solidified over surface |
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Igneous rock (examples) |
Obsidian, Gabbro, Badalt, pink Granite |
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Metamorphic rock (what? How built mountain? Eg for igneous&sedimentary?) |
-rock that doesn't melt but is changed underground by pressure&heat -intense pressure & milliond of years change texture of rock -igneous: granite-> gneiss -sedimentary: limestone->marble |
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Metamorphic rock (examples) |
Slate,Marble, Gneiss, Schist |
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Two metamorphoses |
Regional: Pressure & heat (mountain building) Vast area Contact: Heat (lava flow/intrusion if igneous rock) Small area |
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R: 1 •6 "CROINE" |
Crust solid rock Rock in mantle hot enough to flow Outer core liquid nickel&iron Inner core solid nickel&iron Nickel&iron make earth heavier Earth is nearly spherical |
Crust, rock in mantle, outer inner core, nickel&,earth shape |
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R:2 •6 "SSRNOY" |
Sediments also deposits Sedimentary rocks layers of sediment Ripple marks =how rocks formed New sedimenr layer= break in deposition Oldest layer at bottom Youngest layer at top |
Sedinents are also,sediment rocks are, ripple marks, new sediment, oldest youngest |
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R:3 •5 "CLFTL" |
Crust unstable bc large forces Layers can be folded,fractured,tilted or even upside down Fossils tell age of layer These fossils are called Leiterfossilien Leiterfossilien müssen häufig, gut erhalten und auf bestimmten zeitraum beschränkt sein |
Unstable, layers can b, fossils, german, 3 facts |
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R:4 •4 "METE" |
Metamorphic rocks=altered by hear&pressure Earthquakes & volcano eruptions happen where tectonic activity is Tectonic olate movement creates mountains Erosion and weathering wears mountains away |
Meta altered, earthquake happen, tectonic creates, erosieon wears |
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R:5 •2 "CS" |
Crust cracked in large pieces naned tectonic plates South America and Afrika were together before because their shapes fit and rocks contain same fossils |
Crust, south america africa (2 points) |
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R:6 •2 "TR" |
Tectonic plates move because convection currents below lithosphere Radioactive substances inside Earth create energy that produces the currents |
Convection currents, radioactive |
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Dating rocks (science 2 points) |
Measure -amount of radioactive atoms in rocks -amount of atoms produced when radioactive atoms decay |
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Kreislauf von magma |
Magma -> Magmatite Magmatite +metamorphose= metamorphite +erosion=lockere sedimente Lockere sedimente +diagenese= feste sedimente Feste sedimente +metamorphose= metamorphite |
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Diagenese bsp (locker zu fest) |
Ton -> Tonstein Sand -> Sandstein Geröll -> Konglomerat Schutt -> Breccie |
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