1、

The skarns consist mainly of andradite, with a little hedenbergite, quartz and calcite, while ores are mainly composed of magnetite, specularite, calcite and quartz, with some skarn minerals. 2.

矽卡岩主要矿物为钙铁榴石,另含少量钙铁辉石、石英和方解石;矿石主要由磁铁矿、镜铁矿、方解石、石英和矽卡岩矿物组成。

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2、

Since the calcite cements were formed lately and the sand reservoir has not experienced any other constructive diagenesis essentially, the development of calcite cements had apparent controlling effects on reservoir characteristics.

并且由于方解石胶结物形成时代晚,其后储层未受到其他建设性成岩作用的明显改造,所以方解石胶结物的发育程度对储集物性具有明显的控制作用。

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