轮藻形成碳酸钙沉淀，这些沉淀可形成湖泊钙质泥灰岩的主要成分。
Stoneworts contain calcium carbonate deposits so extensive that they may form the major part of lake bottoms.
西昆仑赛力亚克混杂堆积由形态、颜色和大小各异的沉积岩块体以及黑色泥质粉砂岩夹灰紫绿色钙质页岩、泥灰岩和层凝灰岩的基质组成。
The Saliyak melange consists of dark-gray to black muddy and silty microclastic rock with intercalation of grayish purple and grayish green calcareous and muddy shale, marl and tuff.
藏南定日地区在白垩纪中期发育一套浅灰色深灰色的以钙质页岩、泥灰岩及微晶灰岩为主的浅海陆棚相沉积，岩石中除含较高的粘土矿物及陆源石英矿物颗粒以外，还含有十分丰富的有孔虫化石。
The Middle Cretaceous shallow sea sediments, represented by a series of light dark gray marine clastic and carbonate rocks, were well exposed along the Gongzha Section in Tingri, southern Tibet.
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