Podcast
Questions and Answers
What is the primary mechanism that creates new crust at mid-ocean ridges?
What is the primary mechanism that creates new crust at mid-ocean ridges?
- Erosion and deposition of sediments in the ocean basins
- Volcanic activity pushing up from the mantle (correct)
- Tectonic plates colliding and building up mountains
- Tectonic plates sliding under each other in subduction zones
How fast are the tectonic plates moving apart at the mid-ocean ridge in the Atlantic Ocean?
How fast are the tectonic plates moving apart at the mid-ocean ridge in the Atlantic Ocean?
- About 2 to 5 feet per year
- There is no movement, the plates are stationary
- About 0.8 to 2 inches per year (correct)
- About 1 to 2 meters per year
What is the process called when one tectonic plate slides under another?
What is the process called when one tectonic plate slides under another?
- Collision
- Subduction (correct)
- Divergence
- Erosion
What major geological feature has been formed by the subduction of an oceanic plate under a continental plate along the western coast of South America?
What major geological feature has been formed by the subduction of an oceanic plate under a continental plate along the western coast of South America?
How did the continents of North America and Europe, and South America and Africa, used to be connected?
How did the continents of North America and Europe, and South America and Africa, used to be connected?
What is the primary driver behind the formation of mountain ranges like the Andes Mountains?
What is the primary driver behind the formation of mountain ranges like the Andes Mountains?
What happens when tectonic plates move apart at some boundaries?
What happens when tectonic plates move apart at some boundaries?
How far apart have the landmasses of North America and Europe moved due to plate separation?
How far apart have the landmasses of North America and Europe moved due to plate separation?
What can happen when tectonic plates collide or crash into each other?
What can happen when tectonic plates collide or crash into each other?
What is the name of the process where a heavier oceanic plate slides under a lighter continental plate?
What is the name of the process where a heavier oceanic plate slides under a lighter continental plate?
What geological feature has been created by the subduction process along the western coast of South America?
What geological feature has been created by the subduction process along the western coast of South America?
What has been the primary driver behind the formation of mountain ranges throughout Earth's history?
What has been the primary driver behind the formation of mountain ranges throughout Earth's history?
