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中地壳低速层是由塑性物组成的具有流变特征的层,它在上地幔软流圈和地球转动力作用下产生涡旋。已有实验表明,岩石在区域变质过程中,可以析出大量的变质流体,因此中地壳低速层是富含热水的高温高压塑性层。深部塑性层中的高温高压热水对有机质具有
The low velocity crust is a layer of rheological features composed of plastomers that vortex under the mantle asthenosphere and rotation of the Earth. Experiments have shown that rocks can precipitate a large amount of metamorphic fluids during regional metamorphism. Therefore, the low-velocity crust in middle crust is a high-temperature and high-pressure plastic layer rich in hot water. The deep plastic layer of high temperature and pressure hot water has organic matter