1) calcareous incrustation
钙质结壳
1.
Formation mechanism of calcareous incrustation in lenticular sandbody of the Shahejie Formation of Paleogene and its influence on hydrocarbon accumulation in Dongying Sag;
东营凹陷古近系沙河街组砂岩透镜体钙质结壳形成机理及其对油气成藏的影响
2) calcareous crusts
钙结壳
1.
The calcareous crusts are several meters in thickness and mainly coposed of hard pans, spot calcretes,bedded calcretes and domal calcretes,The calcareous crusts include a variety of typical textures,such as plsoliths,calcareous nodules,alveolar textures,rhizoliths,calcified fila-ments,Microcodium and microstalactites,which have been commonly found in calcretes.
华蓥山地区上二叠统长兴阶生物礁顶部普遍存在一套数米至十余米厚的钙结壳。
3) calcareous shell
钙质介壳
4) calcareous crust
钙质壳
5) pelagosite
不纯钙质壳
6) calcareous crust
代钙质地表层;石灰结皮;石灰结壳
补充资料：壳壳
1.亦作"殻殻"。 2.诚笃貌。 3.中空貌。 4.象声词。
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