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Who proposed Continental Drift Hypothesis? |
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Definition
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Define Continental Drift hypothesis |
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Definition
Belief that the Earth was once one huge landmass, a supercontinent known as Pangea |
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Alfred Wegned could not explain |
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Definition
Mechanism of how continenetal drift worked |
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Individuals who dig for fossils all over the world |
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Types of locations where palentologists dig for fossils |
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Definition
- Tundras
- Desserts
- Underground Caverns
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Evidence for Continental Drifting |
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Definition
- Matching Mountain Ranges
- Fitting Continents together
- Fossils
- Climate Chage
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Seafloor Spreading explains |
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Definition
The Mechanism that allows Wegener's Continental Drift Hypothesis |
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Evidence for Seafloor Spreading |
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Definition
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Definition
Study of the alignment of magnetic minerals in rocks. |
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Term
How does Paleomagnetism proove Seafloor Spreading |
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Definition
Using this method they are able to see how old rocks are, this lead them to find that rocks near the midocean ridge are younger than those farther away |
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Term
Rocks near the midocean ridge are younger or older than rocks farther away |
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Definition
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What causes Seafloor Spreading |
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Definition
Convection currents in the Astenosphere |
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Term
Three types of Plate Boundaries |
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Definition
- Convergent/Destructive
- Divergent/Constructive
- Tranform
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Define Convergent Plate Boundaries |
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Definition
Plates collide and destroy sea floor |
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Define Divergent Plate Boundaries |
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Definition
Plates seperate and form sea floor |
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Define Transform Plate Boundaries |
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Definition
Plates slide past eachother |
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Example of Transform Plate Boundary |
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Definition
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Term
What is the first sphere of Earth? |
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Definition
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What is the second sphere of Earth? |
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Definition
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What is third sphere of Earth? |
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Definition
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What is the fourth sphere of Earth? |
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Definition
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What is the fifth sphere of Earth? |
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Definition
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Definition
Why plates move, how plates move, and the formations generated by plate movement |
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Term
What occurs when Oceanic and Continental plates collide? |
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Definition
Subduction occurs and volcanic mountains and trenches form |
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Term
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Definition
When water flows under Earth and forms trenches |
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Term
Subduction takes place when |
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Definition
Oceanic Plate collides with Continental Plate and when Oceanic Plate collides with Oceanic Plate |
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Term
What occurs when two Continental Plates collide? |
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Definition
Folded Mountains are formed |
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Term
What occurs when two Oceanic Plates collide? |
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Definition
Causes subduction and forms trenches and islands |
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Term
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Definition
A balancing act between gravity pushing down on the lithosphere and the buoyancy of the mantle |
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Term
What does Isostasy cause? |
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Definition
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Definition
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What is the bending of rocks? |
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Definition
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Definition
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Definition
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Definition
- Compression
- Tension
- Shearing
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Definition
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Definition
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Definition
Rocks are pushed in opposite directions being pulled in opposite directions being pulled in latical directions |
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Definition
- Anticlines
- Synclines
- Monoclines
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Definition
Bends upward, old rock in middle |
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Definition
Bends downward, youngest rock in middle |
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Definition
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Term
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Definition
- Normal Fault
- Reverse Fault
- Lateral Fault
- Thrust Fault
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Term
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Definition
Hanging wall moves downward from Foot Wall |
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Term
Normal Faults occur during what? |
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Definition
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Definition
Faults that form from Shearing |
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Definition
Block above the fault line |
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Definition
Block below the Fault Line |
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What happens in a thrust fault? |
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Definition
Hanging Wall moves up and over the Foot Wall, happens due to compression |
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