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The lithosphere primarily comprises of volcanic rocks and sediments that contain fluids and water. These fluids contact the rocks surrounding as the lithosphere moves into the mantle in the downward direction. The rock's melting temperature decreases when the fluid begins the enter the hot rock. This melts it to form magma.
Metamorphic rock
When fluids are added to rocks that are already very hot, the rocks can melt. But, the rock might not melt if it doesn't have any fluid in it.
its pretty much selfexplanitory, its fluids (liquids and or gases) that are hot.
Usually basaltic magma and hot hydrothermal fluids.
The lithosphere primarily comprises of volcanic rocks and sediments that contain fluids and water. These fluids contact the rocks surrounding as the lithosphere moves into the mantle in the downward direction. The rock's melting temperature decreases when the fluid begins the enter the hot rock. This melts it to form magma.
They are referred to as hydrothermal fluids.
Metamorphic rock
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When the fluids enter the already hot mantle rock, the melting temperature of the hot rock decreases. As a result, the rock begins to melt.
The lithosphere primarily comprises of volcanic rocks and sediments that contain fluids and water. These fluids contact the rocks surrounding as the lithosphere moves into the mantle in the downward direction. The rock's melting temperature decreases when the fluid begins the enter the hot rock. This melts it to form magma.
It becomes a metamorphic rock, altered by heat, pressure, or hot fluids.
It becomes a metamorphic rock, altered by heat, pressure, or hot fluids.
It becomes a metamorphic rock, altered by heat, pressure, or hot fluids.
It becomes a metamorphic rock, altered by heat, pressure, or hot fluids.
When fluids are added to rocks that are already very hot, the rocks can melt. But, the rock might not melt if it doesn't have any fluid in it.