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柴达木盆地北缘晚石炭世地层
THE LATE CARBONIFEROUS STRATA FROM NORTH MARGIN OF QAIDAM BASIN
【摘要】 本文对柴达木盆地北缘晚石炭世地层进行了划分、对比,分2个组,下部为克鲁克组,上部称扎布萨朵秀组。克鲁克组自下而上分为4个段。第2段建立(竹蜓)类Eostaffella su-bsolana-Pseudowedekindellina prolixa组合带;腕足类1—2段为Productus concinus-Choristitesyanghukouensis组合带;3段(竹蜓)类为Profusulinella-Pseudostaffella qinghaiensis组合带,4段(竹蜓)类为Fusulina-Fusulinella组合带,腕足类为Alexenia reticulatus-Brachythyrina strangwaysi组合带。扎布萨尕秀组下段下部(竹蜓)类建立Triticites paraarcticus-Quasifusulina paracompacta组合带,腕足类建立Marginifera-Choristites parlovi组合带;上段(竹蜓)类称Pseudoschwagerina带,腕足类为Dictyoclostus taiyuanfuensis-Eliva lyra组合带。
【Abstract】 The paper deals with the late Carboniferous strata from north margin of Qaidam basin. The Late Carboniferous sequence has been established and the strata is subdivided as follows:Upper Carboniferous upper part: Zhabusagaxiu Formation Upper member: Pseudoschwagerina Zone ii. Eoparafusulina-Zellia subzone i. Sphaeroschwagerina subzoneDietyoclostus taiyuanfuensis-Eliva lyra assemblage zone Lower member:Triticites paraarcticus-Quasifusulina paracompacta assemblage Marginifera-Choristites palovi assemblage zone Upper Carboniferous Lower part: Keluke Formation 4. member:Fusulina-Fusulinella assemblage zoneAlexenia reticulatus-Brachythyrina strangwaysi assemblage zone 3. member;Profusulinella-Pseudostaffella qinghaiensis assemblage zone 1-2. member: Choristites gobicus assemblage zoneEostaf fella subsolana-Pseudowedekindellina prolixa assemblage zone The writer also gives a correlation of the Late Carboniferous strata is home and the Character of this fauna is analysed.
- 【文献出处】 中国地质科学院院报 , 编辑部邮箱 ,1987年03期
- 【被引频次】10
- 【下载频次】135