贵州水城地区早二叠世包磨山组碳酸盐岩微相特征及沉积环境

水城地区包磨山组地层比较发育,岩性主要由一套碳酸盐岩夹细碎屑岩组成,碳酸盐岩横向结构变化较大。文章对水城地区自西向东实测7条相关剖面,通过系统采样300余件,室内制作岩石薄片鉴定,碳酸盐岩归纳为6个微相:有丰富有孔虫或藻类的颗粒灰岩/灰泥质颗粒石灰岩(SMF18)、有骨骼颗粒的生屑灰泥质颗粒石灰岩/颗粒质灰泥石灰岩(SMF10)、核形石砾屑碳酸盐岩/颗粒灰岩(SMF13)、海百合富集的石灰岩(SMF12-CRIN)、包壳的生屑颗粒(SMF11)、藻粘结灰岩(SMF7)。通过对比不同剖面碳酸盐岩结构特征、生物组合特征及水动力能量特征,总体反映了水城地区包磨山组时期沉积环境横向上自南西向北东由开阔...

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Bibliographic details
Volume: 36
Main Author: 龙建喜 陈建书 彭成龙 潘明 龚桂源
Format: Journal Article
Language: Chinese
Place of publication: 贵州省地质调查院,贵阳,550081%中国地质科学院岩溶地质研究所,广西桂林,541004 2017
published in: Zhongguo yan rong Vol. 36; no. 3; pp. 313 - 318
Data of publication: 2017
ISSN: 1001-4810
Alternate Title: Carbonate rocks micro-characteristics and paleoenvironment significance in Baomoshan formation of early Permian of Shuicheng area,Guizhou Province,China
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Discipline: Geography
Bibliography: 45-1157/P
LONG Jianxi1 , CHEN Jianshu1 , PENG Chenglong1, PAN Ming2 , GONG Guiyuan1 ( 1. Guizhou Geological Survey, Guiyang, Guizhou 550018, China ; 2. Institute of Karst Geology, CAGS, Guilin,Guangxi 541004,China)
Baomoshan formation of the Early Permian widely distributes in Shuicheng area;its lithology is a layer of carbonate rock with an intercalated thin clastic rocks.The composition of the carbonate rocks greatly changes in horizontal direction.In this study,9 strip plane sections and more than 300 pieces of rock thin sections were measured and analyzed,from which 6 microfacies were summarized.These microfacies include abundant foraminiferal grainstone/bioclastic lime-argillaceous limestone(SMF18),bioclastic lime-argillaceous limestone with skeletal fragment/grain lime-argillaceous limestone(SMF10),oncolite rudstone/grained limestone(SMF13),sea lily enriched limestone(SMF12-CRIN),the shells of skeletal fragment(SMF11)and biological boundstone(SMF7).Through the comparison of different sections of rock stru
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