1) bed group marker
标志层组
2) index bed of N_2
嫩江组二段底部标志层
3) marker bed
标志层
1.
To use marker bed,seam interval,coal and strata combination features,physical property and coal quality features multiple correlations,comprehensi vely correlated coal seams and strata in Quandian minefield.
采用标志层对比、层间距对比、煤、岩层组合特征对比、物性特征对比和煤质特性对比等多种方法,对泉店井田的煤、岩层进行了综合对比,对指导周边地区的地质勘探具有重要的现实意义。
2.
It is notorious that the marker beds have played an important part in the stratigraphic division and correlation of the regional strata,and prospecting of ore deposits.
本文以基本层序、标志层在赣西北古生界以及三叠纪地层应用为例，阐述了这两种方法各自功能以及相互渗透、相互结合的作用。
3.
Based on three marker beds in the minefield,affirmed coal-bearing sector in the area,and divided B1 coal seam in the middle member of the Xishanyao Formation into B1,B11,B12,B11-1,B11-2,B12-1 and B12-2 seven coal seams.
依据该井田三个明显的标志层位,确认了该区的含煤层段,并将其西山窑中段B1煤层划分为B1、B11、B12、B11-1、B11-2、B12-1、B12-2等七个煤层编号。
4) key bed
标志层
1.
In the meantime,varied well logs are used for gray comparison imtepretation of geologic key beds from several wells in Juye,Shandong and the satisfied results and are obtained.
利用多种测井曲线，对山东巨野煤田某些钻孔的地质标志层位进行了灰色对比解释，取得了较满意的效
2.
This paper gives systematic correlation and study of the coal and rock strata of Shanxi Formation in Xiaye coal-searching area by the methods of key beds, facies-cycles, coal-strata,coal-rocks and coal components, logging curves and so on.
本文综合运用标志层法、相一旋回法、煤层、煤岩及煤质对比法、测井曲线对比法，对下冶找煤区山西组煤、岩层进行了系统对比研究，为该区地质勘探工作的展开打下了基础，对类似地区的煤、岩层对比工作有一定的借鉴意义。
5) index horizon
标志层
1.
Stratigraphically they are not equivalent and the Changlingzi Formation is not an index horizon.
辽南晚前寒武纪地层层序问题的研讨张丕孚（地科院沈阳地矿所，辽宁沈阳，１１００３２）关键词地层层序，叠接，标志层，晚前寒武纪，辽南地区长期沿用的辽南晚前寒武纪地层层序为永宁群（松树组、朵子山组、庙山组）、细河群（钓鱼台组、南芬组、桥头组）、五行山群（长。
2.
Logging and geological features of the gas formation and the index horizon as well as advantages and shortcomings of applying logging data in the division of gas formations are also discussed in detail.
鄂尔多斯盆地东部神木—双山地区古生界地层含气层系多,地层在横向及纵向上变化复杂,为了更加准确评价该区域含气规模以及特征,本文在岩石地层单元定义基础之上,结合测井、地质等资料,对神木—双山地区古生界含气层系岩石地层的划分进行了重新认识,论述了各个含气层系及标志层的地质和测井响应特征,讨论了测井资料在地层划分及对比时的优越性和不足之处。
6) characteristic of the layers
分层标志
补充资料：标志层
已知地质年代，并具有特殊性质和特征，易于辨认的岩层。如岩石的性质、颜色、厚度及所含的化石、杂质等特征。常用来进行地层对比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条