GRV9927 meteorite from the Antarctica is composed of olivine and pyroxene. It is similar to ALHA77005 martian meteorite through igneous differentiation.

闽中地区前寒武纪龙北溪组绿片岩沿政和-大埔断裂带分布。常量元素研究表明，绿片岩的原岩为苦橄玄武岩和玄武岩。研究区内前寒武纪变质酸性火山岩常与这些基性火山岩伴生，具有“双峰式”大陆裂谷火山岩特征。本区绿片岩的微量元素地球化学特征不同于洋中脊玄武岩（MORN）及火山弧玄武岩（VAB），具有较高浓度的大离子半径亲岩元素（KUKEE），如K、Rb、Ba、Zr直至Ti；REE球粒陨石标准模式图为富LREE类型，δEu无异常到弱异常。利用Ti-Zr-Y, Nb-Zr-Y图判别，绿片岩为板内拉斑玄武岩（WPT）。因此，绿片岩原岩为大陆拉斑玄武岩，其形成的构造背景为大陆裂谷。这一结果对进一步研究政和-大埔断裂带性质以及华南地区构造演化具有重要意义。

摘要以玲珑片麻状花岗岩为初始物，采用纯水和H2O-CO2混合物（X（H2O）=0.70）两种实验介质，在1.5×102MPa和不同温度下（740℃，770℃，810℃，850℃）进行部分熔融实验验证了胶东金矿区与金矿密切相关的栾家河中粗粒花岗岩与玲珑片麻状花岗岩之间的熔融再生关系结果表明栾家河岩体是由玲珑岩体在810℃1.5×102MPa，水不饱和（X（HO2）=0.70）条件下经18%的熔融形成的实验结果与岩体中大量发育CO2包裹体的地质事实相符合，从熔体分离机制上阐明了两岩体之间的生成关系。

We report here on an ion probe study of rare earth element (REE) geochemistry in the lherzolitic shergottite Grove Mountains (GRV) 99027. This meteorite shows almost identical mineralogy, petrology, and REE geochemistry to those of the lherzolitic shergottites Allan Hills (ALH) A77005, Lewis Cliff (LEW) 88516, and Yamato (Y-) 793605. REE concentrations in olivine, pyroxenes, maskelynite, merrillite, and melt glass are basically comparable to previous data obtained from ALH A77005, LEW 88516, and Y-793605. Olivine is the dominant phase in this meteorite. It is commonly enclosed by large (up to several mm) pigeonite oikocrysts. Non-poikilitic areas consist of larger olivine grains (~mm), pigeonite, augite, and maskelynite. Minor merrillite (up to 150mm in size) is widespread in non-poikilitic regions, occurring interstitially between olivine and pyroxene grains. It is the main REE carrier in GRV 99027 and has relatively higher REEs (200-1000

THE Dajiangping pyrite ore deposit located in the Yunfu County of Guangdong Province is a super-large pyrite ore deposit. Its age has not been defined so far because of the absence of fossil. This note is to use Rb-Sr isotope dating of silicalite to constrain the age of the ore deposit and place special emphasis on its geological significance.