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| (4)COAL GEOLOGY | |
| 摘 要： | 971344 Dai Shifeng(Beijing GraduateSehool,CUMT,Beijing);Ren Deyi Fluetua-tion of Sea一Level and Division of Cyeles inYanzhou Coalfield,Shandong Provinee(JCUMT,ISSN 1000一1964,CN 32一1 152/TD,26(l),1997,p.43一47,2graphs,1,able,6 ref) Based on the analyses of eyelieity andtextura!fearure of the eoal measure inYanzhou eoalfield,Shandong Provinee,rhispaPer discusses the eharaeteristies of sea一Iev-el ehange and its eontrolling in the eoal一forming proeess,elueidaresthe asymmetriealfe… |
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