Grainstones are the main part of the section, among which the oolites, intraclast limestones and most bioclast limestones are cemented by sparry calcite.
颗灰岩在剖面中占绝大多数,其中,
灰岩、内碎屑灰岩和多数生物碎屑灰岩均
亮晶方解石胶结。
Grainstones are the main part of the section, among which the oolites, intraclast limestones and most bioclast limestones are cemented by sparry calcite.
颗灰岩在剖面中占绝大多数,其中,
灰岩、内碎屑灰岩和多数生物碎屑灰岩均
亮晶方解石胶结。
The paper has discussed the sedimentary characteristics of primary coal-bearing strata in the region, These are the following, oolites, nodules, bedding, rock and mineral, paleontologic and coaly.
通过对昌福矿区主要含煤地
的沉积特征,即
、结核、
理、岩矿、古生物及煤质等分析,总结出昌福
矿区童子岩组第三段上亚段地
的沉积环境
:3号煤
控三角洲相沉积;
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