CO<sub>2</sub>-RICH fluid inclusions have been found in 6 anhydrous peridotite xenolith minerals in Ceno-zoic basalts of 5 areas in East China.Electron probe backscattering electron image reveals thatsever...CO<sub>2</sub>-RICH fluid inclusions have been found in 6 anhydrous peridotite xenolith minerals in Ceno-zoic basalts of 5 areas in East China.Electron probe backscattering electron image reveals thatseveral inclusions appear in all the rock sections,completely filled with glass or with cavities attheir center part（CO<sub>2</sub> has escaped）.Some inclusions show devitrification and daughter miner-als appear.We have carried out the analysis on the non-devitrification glass in the inclusions.展开更多
Al-PYROXENE in nature may be regarded as garnet solid solution in Al-free pyroxene. The transition from Al-pyroxene to garnet + Al-poor pyroxen can be carried out under high-pressure conditions. Ultrahigh-pressure exp...Al-PYROXENE in nature may be regarded as garnet solid solution in Al-free pyroxene. The transition from Al-pyroxene to garnet + Al-poor pyroxen can be carried out under high-pressure conditions. Ultrahigh-pressure experiment on pyroxene-garnet transition was carried out in this work using natural soecimens to exolain the genesis of garnet peridotite.展开更多
文摘CO<sub>2</sub>-RICH fluid inclusions have been found in 6 anhydrous peridotite xenolith minerals in Ceno-zoic basalts of 5 areas in East China.Electron probe backscattering electron image reveals thatseveral inclusions appear in all the rock sections,completely filled with glass or with cavities attheir center part（CO<sub>2</sub> has escaped）.Some inclusions show devitrification and daughter miner-als appear.We have carried out the analysis on the non-devitrification glass in the inclusions.
文摘Al-PYROXENE in nature may be regarded as garnet solid solution in Al-free pyroxene. The transition from Al-pyroxene to garnet + Al-poor pyroxen can be carried out under high-pressure conditions. Ultrahigh-pressure experiment on pyroxene-garnet transition was carried out in this work using natural soecimens to exolain the genesis of garnet peridotite.
