标志层是指一层或一组具有明显特征可作为地层对比标志的岩层。标志层应当具有所含化石和岩性特征明显、层位稳定、分布范围广、易于鉴别的特点。
... reference intensity 参比强度 reference lamina 标志层 reference level 基准液面 ...
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...文章详细信息 关键词: 标志层;;层序地层学;;地层划分对比;;煤层;;欧利坨子地区;;辽河盆地 [gap=746]Keywords: marker bed;Sequence stratigraphy;stratigraphic classification and correlation;coal seam;Ou...
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Synthesizely contrasted the Suonahu Formation profile of the Northern Qiangtang basin and Cuoqin basin of Miocene Epoch, used the intraclast ash rock as the marker bed of the Suonahu Formation.
对羌北盆地和措勤盆地中新世的唢呐湖组剖面作了综合对比,将内碎屑灰岩作为唢呐湖组的标志层。
参考来源 - 青藏高原腹地中新世陆相地层研究·2,447,543篇论文数据,部分数据来源于NoteExpress
第二和第九电性层为本区低阻标志层;
The second and ninth electric horizons are low resistivity marker beds in this area.
标志层通常区域性地向盆地方向展布。
Marker beds generally diverge basinward on a regional scale .
为了租地和钻井的需求,他们对比了一个或更多的关键标志层。
One or more key marker beds were identified for the purpose of leasing and drilling.
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