塔里木盆地牙哈&mdash;英买力地区寒武系&mdash;下奥陶统白云岩形成机理

何 莹 鲍志东 沈安江 申银民 李明和

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塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

何莹鲍志东沈安江申银民李明和

文章导航 > 沉积学报 > 2006 > 24(06): 806-818

何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理[J]. 沉积学报, 2006, 24(06): 806-818.

引用本文:

何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理[J]. 沉积学报, 2006, 24(06): 806-818.

HE Ying. The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid[J]. Acta Sedimentologica Sinica, 2006, 24(06): 806-818.

Citation:

HE Ying. The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid[J]. Acta Sedimentologica Sinica, 2006, 24(06): 806-818.

何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理[J]. 沉积学报, 2006, 24(06): 806-818.

引用本文:

何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理[J]. 沉积学报, 2006, 24(06): 806-818.

Citation:

HE Ying. The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid[J]. Acta Sedimentologica Sinica, 2006, 24(06): 806-818.

塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

何莹鲍志东沈安江申银民李明和

中国石油化工股份公司西南分公司勘探开发研究院成都 610081

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中图分类号: P588.24⁺5

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文章访问数: 657
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The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid

HE Ying

Research Institute of Exploration and Development,Southwest Branch,Sinopec,Chengdou 610081

摘要

摘要: 根据铸体薄片鉴定、阴极发光显微镜观察、碳、氧稳定同位素测定、微量元素分析及包裹体测温等手段,对塔里木盆地牙哈—英买力地区寒武—下奥陶统深埋热液白云岩类型及成因机理进行了详细的研究。认为研究区深埋藏白云岩主要由细晶或中晶白云石组成,白云石呈自形或半自形晶。δ13CPDB值为-1.63‰~2.31‰,平均为0.25‰,δ18OPDB值为-11.49‰~-6.02‰,平均为-8.72‰;锶含量较低,在77×10-6~107×10-6之间,二价铁、锰含量较高,具有高的有序度和低的CaCO3摩尔含量的特点。各种资料表明,该类白云岩是在深埋藏环境中较高温度条件下形成的,白云岩的形成与海西期岩浆喷发活动有关,变质岩体的分布控制了白云岩的分布。白云化流体来自岩浆热液、变质热液、有机酸及区域地下热卤水的混合,白云化所需的Mg2+来自岩浆岩中铁镁矿物的分解、埋藏压实过程中粘土矿物的脱水作用等。因此其白云化机制可称之为“深埋热液白云化”。
- 塔里木盆地 /
- 寒武系&mdash /
- 下奥陶统 /
- 深埋热液白云岩 /
- 白云化作用 /
- 地球化学特征 /
- 成因机理
Abstract: The types and genetic mechanism of the Cambrian-Lower Ordovician deep buried hydrothermal dolostones in Yaha-Yingmaili region, Tarim basin are investigated by means of stained thin section microscopic identification, cathodoluminescence microscopic observation, carbon and oxygen isotope geochemistry, trace element analysis, and fluid inclusion analysis. Deep buried dolostones in study areas mainly consist of fine or medium dolomites, which crystals are euhedral or subhedral. The δ¹³C is -1.63‰～2.31‰(PDB)and averages 0.25‰; δ¹⁸O is -11.49‰～-6.02‰(PDB)and averages -8.72‰.The content of Sr is low,77×10^-6～107×10^-6,the content of Fe and Mn are high. The degree of order is high and the molar volume of CaCO₃ is low.
Various data show that these dolostones were formed under deep burial conditions,relatd to magmatic exhalation of Hercynian age. The distribution of dolostones is controlled by the distribution of metamorphic rock. The dolomitizing fluid was a mixture of magmatic hydrothermal, metamorphic hydrothermal, organic acid and regional brine under the ground. The Mg²⁺ for dolomitization came from dissolution of magmatic rock, dehydration of clay mineral in the course of buried compaction. Thus, the dolomitization mechanism in this area may be called "dolomitization through deep buried hydrothermal".
- Tarim basin /
- Cambrian-Lower Ordovician /
- deep buried hydrothermal dolostones /
- dolomitization /
- geochemistry character /
- genetic mechanism /

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[1]	王剑, 周路, 刘金, 马聪, 卞保力, 李啸, 张宝真. 湖相热液白云岩成因机理 . 沉积学报, 2024, 42(1): 130-141. doi: 10.14027/j.issn.1000-0550.2022.037
[2]	王丹. 塔北、塔中地区寒武系—奥陶系白云岩多成因模式 . 沉积学报, 2024, 42(3): 857-876. doi: 10.14027/j.issn.1000-0550.2023.128
[3]	余晶洁, 宋金民, 刘树根, 杨迪, 王瀚, 赵聪, 邓双林, 何宇, 李立基. 川东北地区下寒武统龙王庙组白云岩成因分析 . 沉积学报, 2020, 38(6): 1284-1295. doi: 10.14027/j.issn.1000-0550.2019.108
[4]	李百强, 王起琮, 张小莉, 魏巍. 白云岩成岩相与地球化学特征——以鄂尔多斯盆地中东部马家沟组马五₅-马五₁亚段为例 . 沉积学报, 2018, 36(3): 608-616. doi: 10.14027/j.issn.1000-0550.2018.038
[5]	尤东华, 韩俊, 胡文瑄, 陈强路, 曹自成, 席斌斌, 鲁子野. 塔里木盆地顺南501井鹰山组白云岩储层特征与成因 . 沉积学报, 2018, 36(6): 1206-1217. doi: 10.14027/j.issn.1000-0550.2018.092
[6]	. 塔里木盆地奥陶系碳酸盐岩颗粒滩沉积组合及展布特征 . 沉积学报, 2014, 32(3): 418-428.
[7]	. 塔里木盆地寒武系鞍状白云石孔隙充填物差异与成因 . 沉积学报, 2014, 32(2): 253-259.
[8]	. 云南会泽石炭系摆佐组白云岩地球化学特征及其成因分析 . 沉积学报, 2014, 32(1): 118-125.
[9]	. 准噶尔盆地西北缘二叠系云质碎屑岩地球化学特征及成因机理研究 . 沉积学报, 2013, 31(05): 898-906.
[10]	倪新锋. 塔里木盆地英买力—哈拉哈塘地区奥陶系碳酸盐岩岩溶型储层特征及成因 . 沉积学报, 2011, 29(3): 465-474.
[11]	姚泾利. 鄂尔多斯盆地下奥陶统马家沟组马五段白云岩的地球化学特征 . 沉积学报, 2009, 27(3): 381-389.
[12]	张军涛. 塔里木盆地中央隆起区上寒武统—下奥陶统白云岩储层中两类白云石充填物：特征与成因 . 沉积学报, 2008, 26(6): 957-966.
[13]	陈景山. 塔里木盆地奥陶系碳酸盐岩古岩溶作用与储层分布 . 沉积学报, 2007, 25(6): 858-868.
[14]	高志前. 塔里木盆地寒武—奥陶系碳酸盐岩台地样式及其沉积响应特征 . 沉积学报, 2006, 24(1): 19-27.
[15]	何莹, 鲍志东, 沈安江, 申银民, 李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理 . 沉积学报, 2006, (6): 806-818.
[16]	于炳松, 陈建强, 李兴武, 林畅松. 塔里木盆地肖尔布拉克剖面下寒武统底部硅质岩微量元素和稀土元素地球化学及其沉积背景 . 沉积学报, 2004, 22(1): 59-66.
[17]	陈强路, 王恕一, 钱一雄, 马红强. 塔里木盆地阿克库勒地区下奥陶统古岩溶及油气分布 . 沉积学报, 2002, 20(4): 633-637.
[18]	杨威, 王清华, 刘效曾. 塔里木盆地和田河气田下奥陶统白云岩成因 . 沉积学报, 2000, 18(4): 544-548.
[19]	史基安. 塔里木盆地西北缘震旦系和古生代白云岩成因及其储集性 . 沉积学报, 1993, 11(2): 43-50.
[20]	史基安, 马宝林, 师育新. 新疆巴楚-柯坪地区上石炭统碳酸盐岩的沉积环境与成岩作用 . 沉积学报, 1990, 8(4): 59-67.

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文章访问数: 657
HTML全文浏览量: 2
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塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

何莹鲍志东沈安江申银民李明和

中国石油化工股份公司西南分公司勘探开发研究院成都 610081

收稿日期: 2005-11-19
修回日期: 2006-02-28
刊出日期: 2006-12-10

中图分类号: P588.24⁺5

关键词:

摘要: 根据铸体薄片鉴定、阴极发光显微镜观察、碳、氧稳定同位素测定、微量元素分析及包裹体测温等手段,对塔里木盆地牙哈—英买力地区寒武—下奥陶统深埋热液白云岩类型及成因机理进行了详细的研究。认为研究区深埋藏白云岩主要由细晶或中晶白云石组成,白云石呈自形或半自形晶。δ13CPDB值为-1.63‰~2.31‰,平均为0.25‰,δ18OPDB值为-11.49‰~-6.02‰,平均为-8.72‰;锶含量较低,在77×10-6~107×10-6之间,二价铁、锰含量较高,具有高的有序度和低的CaCO3摩尔含量的特点。各种资料表明,该类白云岩是在深埋藏环境中较高温度条件下形成的,白云岩的形成与海西期岩浆喷发活动有关,变质岩体的分布控制了白云岩的分布。白云化流体来自岩浆热液、变质热液、有机酸及区域地下热卤水的混合,白云化所需的Mg2+来自岩浆岩中铁镁矿物的分解、埋藏压实过程中粘土矿物的脱水作用等。因此其白云化机制可称之为“深埋热液白云化”。

English Abstract

The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid

HE Ying

Research Institute of Exploration and Development,Southwest Branch,Sinopec,Chengdou 610081

Received Date: 2005-11-19
Rev Recd Date: 2006-02-28
Publish Date: 2006-12-10

Keywords:

Abstract: The types and genetic mechanism of the Cambrian-Lower Ordovician deep buried hydrothermal dolostones in Yaha-Yingmaili region, Tarim basin are investigated by means of stained thin section microscopic identification, cathodoluminescence microscopic observation, carbon and oxygen isotope geochemistry, trace element analysis, and fluid inclusion analysis. Deep buried dolostones in study areas mainly consist of fine or medium dolomites, which crystals are euhedral or subhedral. The δ¹³C is -1.63‰～2.31‰(PDB)and averages 0.25‰; δ¹⁸O is -11.49‰～-6.02‰(PDB)and averages -8.72‰.The content of Sr is low,77×10^-6～107×10^-6,the content of Fe and Mn are high. The degree of order is high and the molar volume of CaCO₃ is low.
Various data show that these dolostones were formed under deep burial conditions,relatd to magmatic exhalation of Hercynian age. The distribution of dolostones is controlled by the distribution of metamorphic rock. The dolomitizing fluid was a mixture of magmatic hydrothermal, metamorphic hydrothermal, organic acid and regional brine under the ground. The Mg²⁺ for dolomitization came from dissolution of magmatic rock, dehydration of clay mineral in the course of buried compaction. Thus, the dolomitization mechanism in this area may be called "dolomitization through deep buried hydrothermal".

何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理[J]. 沉积学报, 2006, 24(06): 806-818.

引用本文:

何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理[J]. 沉积学报, 2006, 24(06): 806-818.

Citation:

HE Ying. The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid[J]. Acta Sedimentologica Sinica, 2006, 24(06): 806-818.

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塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

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The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid

计量

目录

塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

中国石油化工股份公司西南分公司勘探开发研究院成都 610081

English Abstract

The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid

Research Institute of Exploration and Development,Southwest Branch,Sinopec,Chengdou 610081

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塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

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The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid

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出版历程

目录

塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理

中国石油化工股份公司西南分公司勘探开发研究院 成都 610081

English Abstract

The Genetic Mechanism of Dolostones of the Cambrian-Lower Ordovician in Yaha-Yingmaili Region,Tarim Basin: dolomitization through deep buried hydrothermal fluid

Research Institute of Exploration and Development,Southwest Branch,Sinopec,Chengdou 610081

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中国石油化工股份公司西南分公司勘探开发研究院成都 610081