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10 Cards in this Set
- Front
- Back
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Aphanitic Texture (fine-grained texture)
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crystal grow quickly under conditions of rapid cooling. |
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Phaneritic (course grained) |
Dikes:cut across bedding & sill: are parall with bedding. Define Bombs:, Lapilli:, Ash: NA Laccolith:, Pluton, Batholiths |
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Porphyritic (how fast does it cool) AN: "Cools fast and slow." forms when a volcano erupts -Applications: when Europe and Africa hitting north america. |
divergent: two tectonics plates moving away from each other. Ex. north am & Europe going away. Convergent: moving toward each other. island arc covenic plates bumping into each other. Hot spots come from core mantle boundary and creates blisters makes weird volcanic chanel |
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baked zone is when its flat and the upper and bottom zones will be crazy rocky, sill is flat in the middle. cascades: are volcanos in western Ex. Japan what is viscosity |
Ex. with african river valley will not ask question on test. 75% earth surface is salt |
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How do we classify igneous rocks into groups |
bi |
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Definitions: Obsidian Pumice Scoria |
jb |
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orthoclase is also called K-spar just in case for lab and test. |
jb
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Do not memorize tonalite dacite andesite |
Memorize basalt: its a black dull rock little chalky looking |
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granite and diyarite be comfortable with knowing which one is which |
jb
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glassy no organized minerals. felsic rock and pure silica. Felsic igneous rock |
bj
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