| 四川龙门山中段泥盆纪层序地层 |
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| 引用本文： | 赵兵.四川龙门山中段泥盆纪层序地层[J].沉积与特提斯地质,2000,20(4):89-96. |
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| 作者姓名： | 赵兵 |
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| 作者单位： | 成都理工学院,地质学系,四川,成都610059 |
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| 摘 要： | 龙门山中段白石－苟家地区泥盆纪地层十分发育，根据多条剖面的岩石特征，基本层序，生态环境等所反映的相对海平面变化规律，将区内以泥盆纪为主的沉积地层划分为九个层序，并归之于４个层序组，详细分析了每个层序各体系域的特征并建立了层序地层格架。区内泥盆系总体为一套向上弯浅的沉积层序，埃姆斯早期存在深水盆地环境，中泥盆世早期盆地呈西深东浅的沉积构造格局。
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| 关 键 词： | 龙门山中段 泥盆纪 层序地层 地层格架 沉积环境 |
| 收稿时间： | 2000/1/10 0:00:00 |
| 修稿时间： | 2000-01-10 |
Devonian sequence stratigraphy of central Longmen Mountains, Sichuan |
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| Zhao Bing.Devonian sequence stratigraphy of central Longmen Mountains, Sichuan[J].Sedimentary Geology and Tethyan Geology,2000,20(4):89-96. |
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| Authors: | Zhao Bing |
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| Institution: | Department of Geology, Chengdu Universty of Technology, Chengdu 610059, Sichuan, China |
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| Abstract: | The Devonian strata are well developed in the Baishi Goujiaregionofcentral Longmen Mountains ,Sichuan .Ninesequences which maybe assignedt of our sequencesets have been distingui shedinthelightofrelativesea levelchangesbasedonlithology ,se quencestratigraphy ,ecology .Theindividualsystemstractsofeachsequencearediscussed indetail,andsequencestratigraphicframeworkofDevoniantoEarlyCarboniferousiscon structedforthestudyarea .TheDevonianstratainthisregiongenerallyexhibitsasucces sionofshallowing upwardsedimentarysequence ,indicatingadeep waterbasinenviron mentduring the early Emsian(EarlyDevonian) ,andstilladeep watersedimentaryenvi Devoronmentinthewestbutashallower watersedimentaryenvironmentintheeastduringthe earlyMiddleDevonian . |
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| Keywords: | central Longmen Mountains klippe Devonian sequence stratigraphy strati graphic framework sedimentary environme` |
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