petrography

The theoretical study on water's driving gas displacement as for double medium of coal petrography

煤岩双重介质注水驱气渗流的理论研究

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The Grove Mountains ( GRV) 021788 meteorite from Antarctica consists of olivine, pyroxene, and a few carbonaceous matrices and opaque minerals. It has petrography and mineralogy of typical ureilites, such as triple junctions and Mg-rich reduction rims of olivines.

南极格罗夫山GRV021788陨石由橄榄石、辉石以及少量的富碳基质、不透明矿物组成，具有橄辉无球粒陨石典型的岩相学和矿物学特征，包括橄榄石晶体三线共点的接触和富镁还原边等。

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petrography and mineralogical chemistry of the high-pressure veins and their host rocks indicate that the vein-forming fluids were released at the blueschist to eclogite transitional prograde conditions during subduction.

高压脉及其主岩的岩相学与矿物化学研究表明流体是在俯冲过程中蓝片岩向榴辉岩进变质条件下释放。

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The Sanxia granite aggregates were determined in their petrography structures and mineral compositions; the quintuplets of quartz of the aggregates were tested.

分析了三峡花岗岩石的岩相结构与矿物组成，测试了花岗岩中石英晶体特征五指峰图谱。

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Petrography and mineralogy of the Grove Mountains ( GRV) 021788 ureilite from Antarctica

南极GRV021788橄辉无球粒陨石的岩石学和矿物学特征

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Petrography and mineral chemistry of100 meteorites collected from the Grove Mountains, Antarctica, were studied and their chemical-petrographic types were assigned.

本文主要报道了南极格罗夫山新回收的100块陨石的岩石学和矿物化学特征。

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petrography and mineral chemistry of two spinel-rich spherules in carbonaceous chondrites from the antarctica

南极碳质球粒陨石中两个富尖晶石球粒状难熔包体的岩石学和矿物化学特征

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Technology and Application of Leading Control Coal Petrography by Long Drill Pipe

长钻杆超前控制煤岩技术及其应用

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Petrography features suggest that the sandstones, which have low compositional and textural maturity, were derived from recycled orogen or collisional orogen.

岩相学特征表明盆地砂岩成分成熟度和结构成熟度均较低，物源为再旋回造山带或碰撞造山带。

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