滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

史春鸿

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滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

史春鸿

文章导航 > 沉积学报 > 2011 > 29(2): 303-311

史春鸿. 滇中牟定地区上白垩统马头山组岩石地球化学及物源属性[J]. 沉积学报, 2011, 29(2): 303-311.

引用本文:

史春鸿. 滇中牟定地区上白垩统马头山组岩石地球化学及物源属性[J]. 沉积学报, 2011, 29(2): 303-311.

SHI Chunhong. Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan[J]. Acta Sedimentologica Sinica, 2011, 29(2): 303-311.

Citation:

SHI Chunhong. Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan[J]. Acta Sedimentologica Sinica, 2011, 29(2): 303-311.

史春鸿. 滇中牟定地区上白垩统马头山组岩石地球化学及物源属性[J]. 沉积学报, 2011, 29(2): 303-311.

引用本文:

史春鸿. 滇中牟定地区上白垩统马头山组岩石地球化学及物源属性[J]. 沉积学报, 2011, 29(2): 303-311.

Citation:

滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

史春鸿

昆明理工大学国土资源工程学院昆明 650093

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通讯作者:
史春鸿

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Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan

SHI Chunhong

Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093

More Information

Corresponding author: SHI Chunhong

摘要

摘要: 马头山组是滇中红色盆地中最重要的赋矿层位，其岩性特征主要为泥岩、砂岩、砾岩等碎屑岩。碎屑岩的化学成分可以反映源区沉积岩的构造背景和物源属性，基于马头山组非矿化岩石主量元素、微量元素和稀土元素地球化学特征分析，揭示组成马头山组的岩石具有：①SiO2含量高；②Ag、Pb、Bi、Ni等亲铜元素富集，Be、Ga、Rb、Y、Nb、Ta、Hf、Sr、Sn等亲石元素亏损；③轻稀土富集、重稀土亏损、弱负Eu异常等特征。利用判别图解得出原岩大地构造背景为被动大陆边缘和活动大陆边缘环境，原岩的原始物质组成应以来自上地壳的长英质岩石为主。结合岩相古地理条件，可知马头山组岩石的物源区主要为康滇古陆和哀牢山造山带。
- 地球化学构造背景物源属性马头山组牟定
Abstract: The Matoushan Formation, one of the most important orebearing stratum, is located in the Redbed basin of central Yunnan Province, China. Its lithology is mainly clastic rocks, including mudstone, sandstone, as well as conglomerate. The geochemical compositions of sandstones and argillaceous rocks could discriminate the tectonic setting and provenance of source rock area. Based on the geochemical signatures of major elements, trace elements, and rare earth elements of the nonmineral rocks, which picked from Matoushan Formation of Mouding, reveal that the sandstones and argillaceous rocks of Matoushan Formation, which are characterized by: ①high contents of SiO2; ②Enrichment some chalcophile elements such as Ag,Pb,Bi and Ni, loss of some lithophile elements for example Be,Ga,Rb,Y,Nb,Ta,Hf,Sr and Sn; ③LREE enrichment, HREE depletion and slightly negative Eu anomaly. The differentiate diagrams refer that the provenance of Matoushan Formation belong to passive continental margin and active continental margin tectonic setting. The primary materials of sedimentary rocks should come from the upper continental crust, and are mainly composed by felsic rocks. Combined with the data of sedimentary facies and palaeogeography, we know that the principal source rock area of Matoushan Formation are Kangdian ancient land and Ailaoshan orogenic belt.
- geochemistry

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[1]	侯阳红, 康志宏, 赵晨君, 余旭东, 王恩博. 下扬子地区下寒武统幕府山组黑色岩系地球化学特征及其地质意义 . 沉积学报, 2020, 38(4): 886-897. doi: 10.14027/j.issn.1000-0550.2019.076
[2]	陈超, 潘志龙, 修迪, 魏文通, 张金龙, 张欢, 王硕, 常致凯, 王仁霞. 北山地区红柳园组沉积时代、沉积环境及源区构造背景分析 . 沉积学报, 2017, 35(3): 470-479. doi: 10.14027/j.cnki.cjxb.2017.03.005
[3]	王卓卓, 施立志, 张永生, 陈代钊, 梁江平. 湘桂地区泥盆纪硅岩Rb-Sr、Sm-Nd同位素地球化学特征及构造沉积背景研究 . 沉积学报, 2015, 33(4): 679-686. doi: 10.14027/j.cnki.cjxb.2015.04.006
[4]	. 贺兰山地区中奥陶统樱桃沟组物源及构造背景分析 . 沉积学报, 2014, 32(2): 205-217.
[5]	. 鄂尔多斯盆地吴堡地区上三叠统延长组原油地球化学特征及油源对比 . 沉积学报, 2013, 31(2): 374-383.
[6]	. 惠州凹陷HZ21钻孔珠江组地球化学特征及其物源指示意义 . 沉积学报, 2013, 31(3): 440-449.
[7]	齐跃春. 漠河盆地依列克得组火山活动间歇期烃源岩有机地球化学特征研究 . 沉积学报, 2011, 29(1): 164-172.
[8]	徐亚军. 甘肃靖远上泥盆统沙流水组沉积地球化学特征及其物源分析 . 沉积学报, 2011, 29(1): 41-54.
[9]	王立成. 西藏措勤盆地色林错凹陷郎山组分子地球化学特征 . 沉积学报, 2009, 27(6): 1199-1207.
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滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

史春鸿

昆明理工大学国土资源工程学院昆明 650093

通讯作者: 史春鸿

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2011-04-10

关键词:

地球化学构造背景物源属性马头山组牟定

摘要: 马头山组是滇中红色盆地中最重要的赋矿层位，其岩性特征主要为泥岩、砂岩、砾岩等碎屑岩。碎屑岩的化学成分可以反映源区沉积岩的构造背景和物源属性，基于马头山组非矿化岩石主量元素、微量元素和稀土元素地球化学特征分析，揭示组成马头山组的岩石具有：①SiO2含量高；②Ag、Pb、Bi、Ni等亲铜元素富集，Be、Ga、Rb、Y、Nb、Ta、Hf、Sr、Sn等亲石元素亏损；③轻稀土富集、重稀土亏损、弱负Eu异常等特征。利用判别图解得出原岩大地构造背景为被动大陆边缘和活动大陆边缘环境，原岩的原始物质组成应以来自上地壳的长英质岩石为主。结合岩相古地理条件，可知马头山组岩石的物源区主要为康滇古陆和哀牢山造山带。

English Abstract

Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan

SHI Chunhong

Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093

Corresponding author: SHI Chunhong

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-04-10

Keywords:

geochemistry

Abstract: The Matoushan Formation, one of the most important orebearing stratum, is located in the Redbed basin of central Yunnan Province, China. Its lithology is mainly clastic rocks, including mudstone, sandstone, as well as conglomerate. The geochemical compositions of sandstones and argillaceous rocks could discriminate the tectonic setting and provenance of source rock area. Based on the geochemical signatures of major elements, trace elements, and rare earth elements of the nonmineral rocks, which picked from Matoushan Formation of Mouding, reveal that the sandstones and argillaceous rocks of Matoushan Formation, which are characterized by: ①high contents of SiO2; ②Enrichment some chalcophile elements such as Ag,Pb,Bi and Ni, loss of some lithophile elements for example Be,Ga,Rb,Y,Nb,Ta,Hf,Sr and Sn; ③LREE enrichment, HREE depletion and slightly negative Eu anomaly. The differentiate diagrams refer that the provenance of Matoushan Formation belong to passive continental margin and active continental margin tectonic setting. The primary materials of sedimentary rocks should come from the upper continental crust, and are mainly composed by felsic rocks. Combined with the data of sedimentary facies and palaeogeography, we know that the principal source rock area of Matoushan Formation are Kangdian ancient land and Ailaoshan orogenic belt.

史春鸿. 滇中牟定地区上白垩统马头山组岩石地球化学及物源属性[J]. 沉积学报, 2011, 29(2): 303-311.

引用本文:

史春鸿. 滇中牟定地区上白垩统马头山组岩石地球化学及物源属性[J]. 沉积学报, 2011, 29(2): 303-311.

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滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

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史春鸿

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Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan

Corresponding author: SHI Chunhong

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滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

昆明理工大学国土资源工程学院昆明 650093

通讯作者: 史春鸿

English Abstract

Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan

Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093

Corresponding author: SHI Chunhong

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滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

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Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan

Corresponding author: SHI Chunhong

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滇中牟定地区上白垩统马头山组岩石地球化学及物源属性

昆明理工大学国土资源工程学院 昆明 650093

通讯作者: 史春鸿

English Abstract

Geochemistry and Provenance of Source Rock for Matoushan Formation Rocks (Late Cretaceous) in the Mouding Area, Central Yunnan

Faculty of Land and Resource Engineering, Kunming University of Science and Technology, Kunming 650093

Corresponding author: SHI Chunhong

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通讯作者:
史春鸿

昆明理工大学国土资源工程学院昆明 650093