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MTTC Earth and Space Science | Questions with 100% Correct Answers | Updated 2024 | Guaranteed A+
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MTTC Earth and Space Science | Questions with 100% Correct Answers | Updated 2024 | Guaranteed A+
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MTTC Earth and Space Science | Questionswith 100% Correct Answers | Updated 2024 |
Guaranteed A+
Rock - ✔✔naturally forming, inorganic material composed of two or more minerals found in
Earth's crust
Chemical Weathering - ✔✔Changes due to the release of chemical ions or salts.
Size of sediments - ✔✔Identification technique
Related to the energy of the medium that transported them.
Shale - ✔✔Represents almost half of all sedimentary rocks
Formed of mud and/or clay
Limestone - ✔✔Most abundant sedimentary rock
Formed from calcium carbonate
,Graded Bedding - ✔✔Larger particles on bottom, smaller on top
Formed when material is rapidly deposited into a body of water
Stratification - ✔✔Layering of different materials
Alluvial Fans - ✔✔Sediment is dumped and spreads out
Occurs when water carrying sediment reaches a basin
Cross bedding - ✔✔strata is oriented in steep inclines
Igneous rocks make up ___% of Earth's Upper Crust - ✔✔95%
Mafic - ✔✔Rich in magnesium and iron
Mainly dark colored
Felsic - ✔✔composed of light colored minerals such as feldspar and quartz
Intermediate - ✔✔Light and dark rocks
, composed of a mixture of mafic and felsic rocks
Ultramafic - ✔✔Very dark
Very large amounts of magnesium and iron
Porphyritic Texture - ✔✔Two different mineral sizes
Large due to a long growing period and small due to short growing period
Basalt - ✔✔Most common volcanic rock
Dark with small minerals
Melts move more quickly than felsic melts
Cataclatic Metamorphic Rocks - ✔✔Created through local pressure
Movement of stress through tectonic plates causes stress to build up.
Low grade metamorphic rocks - ✔✔Dense and fine grained
Look similar to parent rocks
Ex: Slate
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