Term
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Definition
Basalt-Igneous
Small Crystals, Rather Dense
Mafic, Extrusive
Formed at Hotspots or Divergent Plates because it is Mafic and Extusive.
Oceans
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Term
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Definition
Granite-Igneous
large crystals, less dense, splotchy
Felsic, Intrusive
Solidifies slowly at deep loacations
Continental |
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Term
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Definition
Obsidian-Igneous
black, shiny, volcanic glass
no crystals
When lava cools extremely fast @ the surface with minimal growth |
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Term
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Definition
Pumice-Igneous
Light, not dense
Felsic, Extrusive
Ejected into air
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Term
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Definition
Scoria-Igneous
Dark, denser, rounder bubbles
small crystals, Mafic
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Term
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Definition
Pegmatite-Igneous
Huge Crystals, random chunck of rock in it
Felsic, Intrusive
Rock that have cracks fill with lava and cool slowly |
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Term
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Definition
Sandstone-Sedimentary
small grain size, from sand
Fast Moving |
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Term
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Definition
Mudstone-Sedimentary
Small, from silt
Medium Moving |
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Term
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Definition
Shale-Sedimentary
Small particles, from clay
Slow Movin |
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Term
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Definition
Conglomerate-Sedimentary
Large,
When a fast moving body of water suddenly slows down
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Term
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Definition
Limestone-Sedimentary
Marine Organisms Cemented Together
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Term
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Definition
Gneiss-Metamorphic
From Granite
Bands and Groovs
High Pressure, and high temps
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Term
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Definition
Schist-Metamorphic
From Slate or Basalt
Shiny w/ layers
High temp and pressure |
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Term
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Definition
Slate- Metamorphic
From Shale
Thin
Low Temp and Low pressure |
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Term
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Definition
Marble-Metamorphic
from Limestone
High temp and pressure |
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Term
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Definition
Quartzite-Metamorphic
From Sandstone
High Temp and Pressue |
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