潮滩沉积环境与岩相对比研究

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潮滩沉积环境与岩相对比研究

王颖, 朱大奎, 曹桂云

文章导航 > 沉积学报 > 2003 > 21(4): 539-546

王颖, 朱大奎, 曹桂云. 潮滩沉积环境与岩相对比研究[J]. 沉积学报, 2003, 21(4): 539-546.

引用本文:

王颖, 朱大奎, 曹桂云. 潮滩沉积环境与岩相对比研究[J]. 沉积学报, 2003, 21(4): 539-546.

WANG Ying, ZHU Da kui, CAO Gui yun. Study on Tidal Flat Environment and It's Sedimentary Facies Comparative[J]. Acta Sedimentologica Sinica, 2003, 21(4): 539-546.

Citation:

WANG Ying, ZHU Da kui, CAO Gui yun. Study on Tidal Flat Environment and It's Sedimentary Facies Comparative[J]. Acta Sedimentologica Sinica, 2003, 21(4): 539-546.

王颖, 朱大奎, 曹桂云. 潮滩沉积环境与岩相对比研究[J]. 沉积学报, 2003, 21(4): 539-546.

引用本文:

王颖, 朱大奎, 曹桂云. 潮滩沉积环境与岩相对比研究[J]. 沉积学报, 2003, 21(4): 539-546.

WANG Ying, ZHU Da kui, CAO Gui yun. Study on Tidal Flat Environment and It's Sedimentary Facies Comparative[J]. Acta Sedimentologica Sinica, 2003, 21(4): 539-546.

Citation:

WANG Ying, ZHU Da kui, CAO Gui yun. Study on Tidal Flat Environment and It's Sedimentary Facies Comparative[J]. Acta Sedimentologica Sinica, 2003, 21(4): 539-546.

潮滩沉积环境与岩相对比研究

1.
南京大学海岸与海岛开发教育部重点实验室南京 210093;
2.
DB₂ Performance IBM, Canada Limited, Toronto, Canada

作者简介:
王颖女 1935 年出生中国科学院院士教授博士海岸海洋地貌与沉积学

中图分类号: P512.2

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文章访问数: 636
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PDF下载量: 505
被引次数: 0

Study on Tidal Flat Environment and It's Sedimentary Facies Comparative

2.
The Open Laboratory of Ore Deposit Geochemistry, Chinese Academy of Sciences, Guiyang 550002

摘要: 潮滩沉积是海陆交互作用的产物,形成于海岸坡度平缓、有丰富的细粒泥沙供应,以潮流动力为主的低能海岸环境,尤以河—海作用活跃的边缘海环境最为发育。潮滩沉积以粉砂为主,由于涨落潮流往复循环,潮滩具有动力、沉积、地貌与生物群体的分带现象。因海平面涨落与波浪参与的扰动筛选,导致潮滩沉积中的粗粒沉积物含量及微地貌形态的变化。这些因素反映于潮滩沉积相中具有下列特点:粉砂与粘土质交互叠置的页状层理;原始沉积层自下向上,粒径组成逐渐变细;下部的粉砂质层具有波痕、鱼刺状或丘状的交错层理、透镜体与扰动结构,或潮水沟堆积的镶嵌沙体;上部淤泥质层中具有草根、龟裂、虫管与钙质填充物、泥砾、泥块等。将现代潮滩沉积与南京钟山北麓下三叠统的黄马青组砂页岩,以及海口马村的下更新统湛江组粘土、粉砂岩进行对比,据泥沙粒径、矿物组合与含量,盐度,特别是薄互层理,虫管与钙质填充,泥裂块,波痕与交错层理等多项对比,均具有极好的相似性,表明该两组岩层为古潮滩沉积。
- 潮滩 /
- 动力环境 /
- 沉积相
Abstract: Sedimentary facies of tidal flat indicate that coastal environment is characterized by gentle coastal slope, predominant tidal dy namics, and with plenty of fine grain (silt)sediment supply.The comparative study of sedimentary facies has shown high level agreement betw een present tidal flat and ancient fine tex tural sedimentary rocks of the middle Triassic Huangmaqing Formation in Purple Mountain of Nanjing, and Zhanjiang Formation of early Pleistocene Period in Haikou.Besides the similarity in nature of grain size probabili ty diag ram, palosalinity and Brackish paleontology group among the three sedimentary series, the major character of the rocks is the Zonation features with typical structures as rhy thmic thick-thin laminal of silty and clayey sediments, with ripples, herring bone shaped or dune-shaped cross beddings in the lower sandy sections, and polygon structures or desiccated clay cracks, clay pebbles, worm tubes or calcic concretions in the upper muddy sections.These series of sedimentary facies reflect a lower energy environment of land-sea interaction along coastal shallow sea.
- tidal flat /
- dynarnic environment /
- sedimentary focies

参考文献(19)

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[2]	Wang Ying; Collins M B, ZhuDakui. A comparision study of open coast tidal flat, the Wash(U.K.), Bohai Bay and West Yellow Sea(China)[A]. Proceedings of International Symposium on the Coastal Zone.Beijing: China Ocean Press, 1990.120～134
[3]	Postma H. Sediment transport and sedimentation in the environment[A]. In:Lauff G H ed. Estuaries,American Association for Advancement of Science Publication, 1967,83: 158～199
[4]	朱大奎, 许廷官. 江苏中部海岸发育[J].南京大学学报,1982,18 (3):799～818[Zhu D K, Xu T G. The coast development of Jiangsu Coast[J]. Acta Scentiarun University Nankinesis, 1982, 18(3): 799～818]
[5]	朱大奎, 高抒. 潮滩地貌与沉积的数字模型[J].海洋通报,1985,4(5):15～21[Zhu D K, Gao S. A math matical model for the geomorphic evolution and sedimentation of tidal flats[J]. Marine Science Bulletin,1985, 4(5): 15～21]
[6]	朱大奎,柯贤坤,高抒. 江苏潮滩沉积的研究[J]. 黄渤海海洋,1986,(3): 19～27[Zhu D K, Ke X K, Gao S. Research on tidal flat sediment of Jiangsu Coast[J]. The Yellow and the Bo Sea, 1986, (3): 19～27]
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[10]	Collins C M B, Amos G, Evans L. Observation of some sediment transport processes over intertidal flats[M]. The Wash, U.K. Spec Publ. Int. Assoc. Sediment, 1981
[11]	王颖,朱大奎. 中国的潮滩[J]. 第四纪研究, 1990,10 (4): 291～299[Wang Y, Zhu D K. Tidal flat of China[J]. Quaternary Science, 1990, 10(4): 291～299]
[12]	Dale E J. Physical and biological zonation of intertidal flat at Frobisher Bay in N.W.T. 14th Arctic Workshop, 1985, Nov. 6～8, Halifax. 180～181
[13]	夏文杰. 陆源碎屑潮汐沉积的判别标志[J]. 石油实验地质, 1982,4 (4):285～293[Xia W J. Indicators of continental detrital sediment[J]. Petroleum Geology & Experiment, 1982, 4 (4):285～293]
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[15]	陈楚震. 苏南地区三叠纪生物地层,江苏地区下扬子准地台,震旦纪-三叠纪生物地层[M].南京:南京大学出版社,1988. 315～363[Chen Chuzhen. Bisotratigraphy from Sinian to Triassic in Jiansu region, Yangtse platform[M]. Nanjing: Nanjing University Press,1988.315～363]
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文章访问数: 636
HTML全文浏览量: 8
PDF下载量: 505
被引次数: 0

潮滩沉积环境与岩相对比研究

1. 南京大学海岸与海岛开发教育部重点实验室南京 210093;

2. DB₂ Performance IBM, Canada Limited, Toronto, Canada

作者简介:
王颖女 1935 年出生中国科学院院士教授博士海岸海洋地貌与沉积学

收稿日期: 2003-02-10
修回日期: 2003-03-20
刊出日期: 2003-12-10

中图分类号: P512.2

关键词:

摘要: 潮滩沉积是海陆交互作用的产物,形成于海岸坡度平缓、有丰富的细粒泥沙供应,以潮流动力为主的低能海岸环境,尤以河—海作用活跃的边缘海环境最为发育。潮滩沉积以粉砂为主,由于涨落潮流往复循环,潮滩具有动力、沉积、地貌与生物群体的分带现象。因海平面涨落与波浪参与的扰动筛选,导致潮滩沉积中的粗粒沉积物含量及微地貌形态的变化。这些因素反映于潮滩沉积相中具有下列特点:粉砂与粘土质交互叠置的页状层理;原始沉积层自下向上,粒径组成逐渐变细;下部的粉砂质层具有波痕、鱼刺状或丘状的交错层理、透镜体与扰动结构,或潮水沟堆积的镶嵌沙体;上部淤泥质层中具有草根、龟裂、虫管与钙质填充物、泥砾、泥块等。将现代潮滩沉积与南京钟山北麓下三叠统的黄马青组砂页岩,以及海口马村的下更新统湛江组粘土、粉砂岩进行对比,据泥沙粒径、矿物组合与含量,盐度,特别是薄互层理,虫管与钙质填充,泥裂块,波痕与交错层理等多项对比,均具有极好的相似性,表明该两组岩层为古潮滩沉积。

English Abstract

王颖, 朱大奎, 曹桂云. 潮滩沉积环境与岩相对比研究[J]. 沉积学报, 2003, 21(4): 539-546.

引用本文:

王颖, 朱大奎, 曹桂云. 潮滩沉积环境与岩相对比研究[J]. 沉积学报, 2003, 21(4): 539-546.

WANG Ying, ZHU Da kui, CAO Gui yun. Study on Tidal Flat Environment and It's Sedimentary Facies Comparative[J]. Acta Sedimentologica Sinica, 2003, 21(4): 539-546.

Citation:

WANG Ying, ZHU Da kui, CAO Gui yun. Study on Tidal Flat Environment and It's Sedimentary Facies Comparative[J]. Acta Sedimentologica Sinica, 2003, 21(4): 539-546.

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参考文献 (19)

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