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湖南永顺桃源地区中上奥陶统大田坝组生物地层新见
方翔1; 甄勇毅2; 张元动1; 王志浩1; 李文杰1; 马譞1
2019
Source Publication地层学杂志
ISSN0253-4959
Volume43Issue:2Pages:158
Abstract通过对湖南永顺和桃源4条中-上奥陶统剖面的牙形刺生物地层研究,在湘西北地区中、上奥陶统原先划分(Pygodus anserinus-Yangtzeplacognathus jianyeensis带和Pygodus serra生物带)的基础上,自下而上识别出:牯牛潭组顶部的Pygodus serra生物带(达瑞威尔阶上部)、大田坝组下部的Pygodus anseinus-Yangtzeplacognathus jianyeensis生物带(达瑞威尔阶顶部-桑比阶下部)、大田坝组中部的Baltoniodus variabilis生物带(桑比阶中部)、大田坝组上部的Baltoniodus alobatus生物带(凯迪阶下部-桑比阶上部),以及大田坝组顶部-宝塔组下部的Hamarodus brevirameus生物带(凯迪阶中部)。这一台地边缘相区的牙形刺生物地层序列与扬子台地中心相区的湖北宜昌、重庆石柱及南京江宁等地的牙形刺生物带几乎一致,与斜坡相区的牙形刺生物带也可以进行很好的对比,为台地边缘相区、中心相区以及斜坡相区地层精细对比提供了新的依据,也证明了湖南永顺、桃源(茅草铺)地区应属于扬子台地区。
Language英语
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/26492
Collection中国科学院南京地质古生物研究所
Affiliation1.中国科学院南京地质古生物研究所
2.Geological Survey of New South Wales
First Author Affilication中国科学院南京地质古生物研究所
Recommended Citation
GB/T 7714
方翔,甄勇毅,张元动,等. 湖南永顺桃源地区中上奥陶统大田坝组生物地层新见[J]. 地层学杂志,2019,43(2):158.
APA 方翔,甄勇毅,张元动,王志浩,李文杰,&马譞.(2019).湖南永顺桃源地区中上奥陶统大田坝组生物地层新见.地层学杂志,43(2),158.
MLA 方翔,et al."湖南永顺桃源地区中上奥陶统大田坝组生物地层新见".地层学杂志 43.2(2019):158.
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