Abstract
AbstractExperiments of dynamic high pressure using shock wave are very effective to study physical properties of material under super‐pressure. A shock wave experimental study on Damaping olivine with pressure from 10 to 45 GPa is reported in this paper. Combining previous works about isothermal equation of state for olivine, the temperature in experimental process is determined. The temperatures range from dozens of degrees to 800 °C when the pressures of our experiments are between 10 and 30 GPa. The density variation with pressure is obtained from our experiments and ranges from 3.627 to 4.009 g·cm−3. According to recover experiment of the sample and estimated temperatures under experimental pressures, it is derived that the phase transition during our experimental process under pressures of 30GP did not occur. Meanwhile, the parameters for equation of state are determined. Finally, the geodynamic implication of the experimental results to interior material movement in mantle is discussed, i.e. cold slab with metastable olivine is easily to sink into the mantle's transitional zone.
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