Classification,forming conditions and characteristic of sclerotia-algal coals,China
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摘要: 运用煤岩学和地球化学方法, 对中国山西浑源等4个典型的菌藻类煤进行了综合研究, 结果表明, 菌藻类煤在物理、化学组成和特性上与腐植煤有明显的区别; 其形成环境主要受 p H、Eh值和有机质含量的制约, 其中皮拉藻和轮奇藻具有含量高、生存时间长的特征; 并在此基础上对菌藻类煤作了成因分类。Abstract: The study area covers 4 mines producing sclerotia-algal type coal in Hunyuan, Shanxi Province.the study combined both coal petrologic and geochemical methods indicated that the sclerotia-algal coal is physically and chemically different from humic coal apparently, the forming environment is mainly controlled by pH, Eh and organic content, in which Pila-Alginite and Reinschia-Alginite are highly dominated.Based on the study results the genetic classification is put forward.
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Keywords:
- sclerotia-algal coal /
- classification /
- forming environment /
- characteristic
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