Podcast
Questions and Answers
Which seismic wave can travel through both solid and liquid layers?
Which seismic wave can travel through both solid and liquid layers?
- S-waves
- P-waves (correct)
- Love waves
- Surface waves
What is the composition of the oceanic crust?
What is the composition of the oceanic crust?
- Sedimentary rocks
- Granitic rocks
- Gabbroic rocks
- Basaltic rocks (correct)
Who proposed the theory of continental drift?
Who proposed the theory of continental drift?
- Motonori Matuyama
- Alfred Wegener (correct)
- Vine and Matthews
- Harry Hess
What is the driving force behind plate tectonics?
What is the driving force behind plate tectonics?
What is the composition of the oceanic crust?
What is the composition of the oceanic crust?
Which scientist proposed a mechanism for how continents move, involving convection of the mantle?
Which scientist proposed a mechanism for how continents move, involving convection of the mantle?
What type of plate boundary is associated with shallow earthquakes in narrow belts at mid-ocean spreading centers?
What type of plate boundary is associated with shallow earthquakes in narrow belts at mid-ocean spreading centers?
What is another term for a passive plate boundary?
What is another term for a passive plate boundary?
What primarily drives plate tectonics?
What primarily drives plate tectonics?
Which type of plate boundary occurs where plates slide past each other with a strike-slip motion?
Which type of plate boundary occurs where plates slide past each other with a strike-slip motion?
Where are metamorphic rocks typically produced?
Where are metamorphic rocks typically produced?
What type of rocks make up the oceanic crust?
What type of rocks make up the oceanic crust?
What occurs at divergent plate boundaries?
What occurs at divergent plate boundaries?
What type of motion characterizes transform plate boundaries?
What type of motion characterizes transform plate boundaries?
What undergoes textural and mineralogical changes due to heat, pressure, and deformation?
What undergoes textural and mineralogical changes due to heat, pressure, and deformation?
Where is new lithosphere created?
Where is new lithosphere created?
What type of plate boundary results in the subduction of the oceanic plate into the mantle?
What type of plate boundary results in the subduction of the oceanic plate into the mantle?
What is the weaker region of the upper mantle that deforms by viscous flow?
What is the weaker region of the upper mantle that deforms by viscous flow?
What type of motion characterizes the movement at mid-ocean ridges?
What type of motion characterizes the movement at mid-ocean ridges?
What drives plate tectonics primarily?
What drives plate tectonics primarily?
What type of seismic waves can travel through both solid and liquid layers of the Earth?
What type of seismic waves can travel through both solid and liquid layers of the Earth?
What type of volcanic material tends to be found at convergent boundaries?
What type of volcanic material tends to be found at convergent boundaries?
What is the primary composition of oceanic crust?
What is the primary composition of oceanic crust?
Where is new lithosphere created through seafloor spreading?
Where is new lithosphere created through seafloor spreading?
What type of plate boundaries involve the subduction of oceanic plates into the mantle?
What type of plate boundaries involve the subduction of oceanic plates into the mantle?
What type of rocks are produced in subduction zones due to intense heat and pressure?
What type of rocks are produced in subduction zones due to intense heat and pressure?
What is the mechanical boundary between the Lithosphere and Asthenosphere called?
What is the mechanical boundary between the Lithosphere and Asthenosphere called?
What type of plate boundaries produce volcanic rocks, specifically basalt?
What type of plate boundaries produce volcanic rocks, specifically basalt?
What is the boundary between the Crust and the Mantle associated with a mineralogical phase change from basalt to peridotite called?
What is the boundary between the Crust and the Mantle associated with a mineralogical phase change from basalt to peridotite called?
What type of boundaries occur where plates slide past each other horizontally, causing faults and earthquakes?
What type of boundaries occur where plates slide past each other horizontally, causing faults and earthquakes?
What are convergent plate boundaries associated with the formation of?
What are convergent plate boundaries associated with the formation of?
What type of rocks are primarily formed at divergent plate boundaries?
What type of rocks are primarily formed at divergent plate boundaries?
Flashcards
What are P-waves?
What are P-waves?
Seismic waves that can travel through both solid and liquid layers.
What are basaltic rocks?
What are basaltic rocks?
The oceanic crust consists of these rocks.
Who is Alfred Wegener?
Who is Alfred Wegener?
The scientist who proposed the theory of continental drift.
What are convection currents?
What are convection currents?
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Who is Harry Hess?
Who is Harry Hess?
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What is a divergent plate boundary?
What is a divergent plate boundary?
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What is a Conservative plate boundary?
What is a Conservative plate boundary?
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What is a Transform plate boundary?
What is a Transform plate boundary?
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Where are metamorphic rocks typically produced?
Where are metamorphic rocks typically produced?
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What occurs at divergent plate boundaries?
What occurs at divergent plate boundaries?
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What characterizes transform plate boundaries?
What characterizes transform plate boundaries?
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What are metamorphic rocks?
What are metamorphic rocks?
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Where is new lithosphere created?
Where is new lithosphere created?
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What are Silica-rich andesites?
What are Silica-rich andesites?
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What is the Asthenosphere?
What is the Asthenosphere?
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What is a Convergent boundary?
What is a Convergent boundary?
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What characterizes mid-ocean ridges?
What characterizes mid-ocean ridges?
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What are P-waves?
What are P-waves?
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What are Mid-ocean ridges?
What are Mid-ocean ridges?
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What are Convergent plate boundaries?
What are Convergent plate boundaries?
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What are Metamorphic rocks?
What are Metamorphic rocks?
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What is the LAB?
What is the LAB?
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What are Volcanic rocks, specifically basalt?
What are Volcanic rocks, specifically basalt?
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What is the Mohorovičić Discontinuity (Moho)?
What is the Mohorovičić Discontinuity (Moho)?
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What are Transform plate boundaries?
What are Transform plate boundaries?
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Convergent plate boundaries
Convergent plate boundaries
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Study Notes
Plate Tectonics and Earth's Structure Summary
- Convergent boundaries occur where plates collide, causing faults, earthquakes, and subduction of oceanic plates into the mantle.
- Volcanic material at convergent boundaries tends to be silica-rich andesites or rhyolites.
- P-waves are the only seismic waves that can travel through both solid and liquid layers of the Earth.
- The mechanical boundary between the Lithosphere and Asthenosphere is called the Lithosphere Asthenosphere Boundary (LAB).
- Oceanic crust is primarily composed of basalt, formed from solidified lava.
- Transform plate boundaries occur where plates slide past each other horizontally, causing faults and earthquakes.
- The Moho, the boundary between the Crust and the Mantle, is associated with a mineralogical phase change from basalt to peridotite.
- Metamorphic rocks are produced in subduction zones due to intense heat and pressure.
- New lithosphere is created at mid-ocean ridges through seafloor spreading, where basalt is produced.
- Divergent plate boundaries produce volcanic rocks, specifically basalt.
- Convergent plate boundaries are associated with the formation of mountain belts, such as the Alps and Himalayas.
- Convergent plate boundaries involve the subduction of oceanic plates into the mantle.
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