A transmission-reflection-combined new method is presented for measuring elastic velocities of rocks and minerals at elevated temperature and pressure,which resolves the problems of gradients of temperature and pressu...A transmission-reflection-combined new method is presented for measuring elastic velocities of rocks and minerals at elevated temperature and pressure,which resolves the problems of gradients of temperature and pressure existing in original sample assembly with a pyrophyllite cube.At room temperature and pressure up to 3 GPa,single-crystal quartz and eclogite were used to provide samples under test,respectively.The results of this work agree with the previous measurements very well within the error range.By the use of this new technique,more precise and reasonable data of elastic properties of rocks and minerals at elevated temperature and pressure can be achieved.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos.10032040 and 49774235Foundation of the Geodynamics Opening Laboratory of High-Pressure and High-Temperature.
文摘A transmission-reflection-combined new method is presented for measuring elastic velocities of rocks and minerals at elevated temperature and pressure,which resolves the problems of gradients of temperature and pressure existing in original sample assembly with a pyrophyllite cube.At room temperature and pressure up to 3 GPa,single-crystal quartz and eclogite were used to provide samples under test,respectively.The results of this work agree with the previous measurements very well within the error range.By the use of this new technique,more precise and reasonable data of elastic properties of rocks and minerals at elevated temperature and pressure can be achieved.