calcite grain

基本解釋

The calcite layer and aragonite layers are multi-scale structure , and a small quantity of organic matrix distributes mainly in their grain boundary.
貝殼中的方解石和文石層均呈多級(jí)超微結(jié)搆，微量的有機(jī)質(zhì)在晶界和晶內(nèi)呈不連續(xù)分佈。
The limestones and sandstones without oil were obviously strong in calcite cementation and grain growing. so they had poor storage property and pore-constructures. and even lost storage capacity.
不含油的砂巖和灰?guī)r碳酸鹽膠結(jié)和顆粒次生加大作用明顯加強(qiáng)，物性和孔隙結(jié)搆差，基本上失去了儲(chǔ)集性。