| 吐哈盆地托克逊地区二叠系—侏罗系分布概况及古生态古气候初探 |
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| 引用本文： | 唐祥华. 吐哈盆地托克逊地区二叠系—侏罗系分布概况及古生态古气候初探[J]. 新疆石油地质, 1999, 20(1): 40-44 |
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| 作者姓名： | 唐祥华 |
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| 作者单位： | 中国石油天然气集团公司石油科学技术研究院 |
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| 摘 要： | 通过对吐哈盆地托克逊地区二叠系、三叠系、侏罗系的野外剖面实地观察及大量化石鉴定成果的综合分析,认为该区地层发育不全,侏罗系源岩的区域性盖层齐古组(Ｊ3ｑ)缺失,局部性盖层残缺不全。该地区的主力源岩应以上二叠统和三叠系为主。同时通过对中生代淡水瓣鳃类、脊椎动物的研究,对该区晚三叠世—侏罗纪古生态环境及古气候变迁进行了初步探讨
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| 关 键 词： | 吐鲁番盆地 哈密盆地 托克逊 二叠纪 三叠纪 侏罗纪 地层分布 古气候 |
STRATIGRAPHIC DISTRIBUTION AND PALEOECOLOGY AND PALEOCLIMATE IN TOKSUN AREA, TURPANHAMI BASIN. |
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| Tang Xianghua,Stratigraphy and Paleontology,Research Institute of Petroleum Exploration and Development,CNPC,Beijing. STRATIGRAPHIC DISTRIBUTION AND PALEOECOLOGY AND PALEOCLIMATE IN TOKSUN AREA, TURPANHAMI BASIN.[J]. Xinjiang Petroleum Geology, 1999, 20(1): 40-44 |
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| Authors: | Tang Xianghua Stratigraphy Paleontology Research Institute of Petroleum Exploration Development CNPC Beijing |
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| Affiliation: | Tang Xianghua,Stratigraphy and Paleontology,Research Institute of Petroleum Exploration and Development,CNPC,Beijing 100083 |
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| Abstract: | Through comprehensive analysis of site observation of outcrop section of Permian, Triassic and Jurassic and fossil analysis in Toksun area, TurpanHami basin, it is suggested that stratigraphic hiatus occurrs in study area. Qigu formation(J3q) as regional caprock of Jurassic source rock is missing and local is also incomplete. The major source rock in study area may be dominated by Upper Permian and Triassic. Moreover, paleoecology and paleoclimatic variation in Late TriassicJurassic are preliminarily discussed on a basis of study over freshwater Lamellibranch and vertebrate of Mesozoic. |
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| Keywords: | Turpan basin Hami basin Toksun Permian Triassic Jurassic Stratigraphic distribution Paleoecology Paleoclimate |
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