Biotite marble
The metamorphic facies associated with the subduction of oceanic crust and sediments that forms under very high pressure and moderately low temperature is called the "blueschist facies." This facies typically develops at depths of around 15 to 30 kilometers, where the pressure is significantly high, but the temperatures remain relatively low compared to other metamorphic environments. The presence of minerals such as glaucophane and lawsonite characterizes this facies, indicating the unique conditions of subduction zones.
Vulcanism and Orogeny
Krakatoa is not associated with a hot spot. It is associated with a subduction zone.
trenches and volcanoes
No. Mount Etna is associated with a subduction zone.
The metamorphic facies associated with the subduction of oceanic crust and sediments that forms under very high pressure and moderately low temperature is called the "blueschist facies." This facies typically develops at depths of around 15 to 30 kilometers, where the pressure is significantly high, but the temperatures remain relatively low compared to other metamorphic environments. The presence of minerals such as glaucophane and lawsonite characterizes this facies, indicating the unique conditions of subduction zones.
Vulcanism and Orogeny
Ol Doinyo Lengai is not associated with a subduction zone. It is associated with the East African Rift, which is a continental rift.
Krakatoa is not associated with a hot spot. It is associated with a subduction zone.
trenches and volcanoes
Mount Fuji is not associated with a hot spot. It is associated with a subduction zone.
The process in which the ocean floor sinks into the mantle is called subduction. This occurs at convergent plate boundaries, where one tectonic plate slides beneath another. Subduction zones are associated with deep-sea trenches and volcanic activity.
blue schist facies
No. Mount Etna is associated with a subduction zone.
No. Stromboli is associated with a subduction zone.
Volcanoes are most commonly associated with the top plate in subduction zones.
Earthquakes associated with convergent plate boundaries typically occur in the subduction zones where one tectonic plate is forced beneath another. These earthquakes are known as megathrust earthquakes and can have very high magnitudes due to the intense tectonic forces involved in the subduction process.