Term
Oceanic Crust
Composition and thickness |
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Definition
Basalt-like composition
4 mi thick |
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Term
Continental Crust
Composition and thickness |
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Definition
Granite-like composition
20-25 mi thick |
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Term
Upper Mantle
Composition and thickness |
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Definition
Composed of olivine
1800 mi think |
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Term
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Definition
| Mainly solid, some parts partially molten |
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Term
Outer/Inner Core
Composition |
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Definition
Outer: Molten
Inner: Solid
Likely consists of nickel and iron |
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Term
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Definition
| The equilibrium of the crust resting on the mantle |
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Term
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Definition
| Rocks formed from cooled and solidified magma |
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Term
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Definition
| Rocks changed by pressure, temperature, or deformation |
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Term
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Definition
| Rocks that form from loose sediment |
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Term
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Definition
| Rocks that precipitate from hot water |
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Term
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Definition
| Mud, sand, and small rocks |
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Term
8 Stages of the Rock Cycle
In order |
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Definition
Weathering
Erosion and Transport
Deposition
Burial and Lithification
Deformation and Metamorphism
Melting
Solidification
Uplift |
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Term
Weathering
Description and stage # |
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Definition
Rock is broken apart by wind, rain, animals, etc.
1st stage |
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Term
Erosion and Transport
Description and stage # |
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Definition
Rock pieces loosened are moved from their source
2nd stage |
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Term
Deposition
Description and stage # |
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Definition
Sediment comes to rest
3rd stage |
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Term
Burial and Lithification
Description and stage # |
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Definition
Deposited sediment is compacted by weight of overlaying materials
4th stage |
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Term
Deformation and Metamorphism
Description and stage # |
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Definition
Strong forces squeeze and fold the rock
5th stage |
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Term
Melting (Rock Cycle)
Description and stage # |
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Definition
Rock exposed to high temps produces magma
6th stage |
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Term
Solidification
Description and stage # |
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Definition
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Term
Uplift
Description and stage # |
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Definition
Rock is forced back to surface
8th stage [final] |
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Term
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Definition
| Flow of water from land to ocean to atmosphere and back |
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Term
Lithosphere
Description and composition |
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Definition
Solid upper part of the Earth
Strong layer |
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Term
Asthenosphere
Description and composition |
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Definition
Just below upper mantle
Silly Putty texture |
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Term
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Definition
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Term
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Definition
| Frozen water (ice, snow, etc.) |
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Term
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Definition
| Life and all of the places that it can exist |
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Term
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Definition
| Nitrogen and oxygen gas that surrounds Earth |
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Term
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Definition
| Solid Earth (crust, mantle, etc.) |
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Term
Types of Boundaries
Names and descriptions |
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Definition
Convergent: Moving together
Divergent: Pulling apart
Transform: Move horizontally |
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Term
Eras of the Earth
Correct order |
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Definition
Cenozoic (newest)
Mesozoic
Paleozoic
Precambrian (oldest) |
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Term
Quantitative Properties
Examples |
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Definition
Orientation
Surface features
Gas composition
Water flow and chemistry |
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Term
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Definition
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Term
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Definition
| Height of a feature above an adjacent valley |
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Term
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Definition
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Term
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Definition
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Term
| Principles of Geologic Events |
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Definition
Youngest layer is on top
Feature is younger than section it crosscuts
Young rock can include pieces of old rock
Young magma can bake old rocks |
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Term
Melting (Liquid Transformation)
Form to form, sphere to sphere |
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Definition
Solid to liquid
Cryosphere to hydrosphere |
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Term
Evaporation
Form to form, sphere to sphere |
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Definition
liquid to gas
hydrosphere to atmosphere |
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Term
Condensation
Form to form, sphere to sphere |
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Definition
Gas to liquid
Atmosphere to hydrosphere |
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Term
Freezing
Form to form, sphere to sphere |
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Definition
Liquid to solid
Hydrosphere to cryosphere |
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