Which factors describe the metamorphic conditions in a subduction zone?

The factors that influence the metamorphism 1. Temperature and pressure, 2. Geostatic pressure, 3. Compressional stress, 4. Water.

Explanation:

The subduction zone is a region on where the tectonic plates move or goes into and being subdued by the overlying layer of heavy rock its here that the oceanic plates get recycled and the new lava is deposited sidewards.  The metamorphic belts are encased in metamorphic rocks parallel to the subducting zones of two distinctive plates. Geostatic pressure is the pressure that is applied to rock on all sides and this pressure regulates the flow of material from t above and this pressure increases with depths. The compressional stress is the stress that is applied in the opposite direction and compresses the rock mass in the opposite direction.Temperature and pressure are said to be one of the most important aspects that determine the mineral's in the geomorphic rock as the pressure and composition change the higher temperature create the process of subduction much faster. As the rocks are metamorphosed in subduction zones the differential stress as a result of pressure destroys the slabs. Water also acts as an agent that reduces the temperature in mantel and breakdown of minerals like melt beneath the volcanic arc.

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