西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

白建科; 李智佩; 徐学义; 李婷

doi:10.14027/j.cnki.cjxb.2015.03.004

ISSN 1000-0550 CN 62-1038/P

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西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

白建科, 李智佩, 徐学义, 李婷

文章导航 > 沉积学报 > 2015 > 33(3): 459-469

白建科, 李智佩, 徐学义, 李婷. 西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据[J]. 沉积学报, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

引用本文:

白建科, 李智佩, 徐学义, 李婷. 西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据[J]. 沉积学报, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

BAI JianKe, LI ZhiPei, XU XueYi, LI Ting. Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation[J]. Acta Sedimentologica Sinica, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

Citation:

BAI JianKe, LI ZhiPei, XU XueYi, LI Ting. Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation[J]. Acta Sedimentologica Sinica, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

白建科, 李智佩, 徐学义, 李婷. 西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据[J]. 沉积学报, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

引用本文:

白建科, 李智佩, 徐学义, 李婷. 西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据[J]. 沉积学报, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

Citation:

BAI JianKe, LI ZhiPei, XU XueYi, LI Ting. Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation[J]. Acta Sedimentologica Sinica, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

doi: 10.14027/j.cnki.cjxb.2015.03.004

白建科^1,2,
李智佩^1,2,
徐学义^1,2,
李婷^1,2

1.
中国地质调查局西安地质调查中心西安 710054;
2.
国土资源部岩浆作用成矿与找矿重点实验室西安地质调查中心西安 710054

基金项目: 国家自然科学青年基金项目(批准号:41202077)与中国地质调查局项目(编号:12120113041000,1212011085475,12120113042200,1212011220649)联合资助

详细信息

作者简介:
白建科男 1983年出生工程师沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

中图分类号: P542;TE121.3

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Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation

BAI JianKe^1,2,
LI ZhiPei^1,2,
XU XueYi^1,2,
LI Ting^1,2

1.
Xi'an Center of China Geological Survey, Xi'an 710054;
2.
Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi'an Centre of Geological Survey, Xi'an 710054

摘要

摘要: 西天山伊犁地区广泛出露早石炭世大哈拉军山组火山—沉积岩系, 其内赋存了金、铁、铜等重要的金属矿床。但迄今为止, 关于大哈拉军山组形成构造环境还存在很大的争议。通过区域地层对比, 研究区大哈拉军山组与下伏地层之间存在区域性角度不整合接触关系。其底部自下而上依次发育砾岩、粗砂岩、砂岩、粉砂岩、泥岩、碳酸盐岩、安山岩。沉积学和层序序列分析显示, 该组底部的陆源碎屑岩建造组合形成于扇三角洲沉积环境, 进一步可划分出扇三角洲平原、扇三角洲前缘和前扇三角洲3个亚相, 向上出现的碳酸盐岩形成于浅海碳酸盐岩台地环境。这种沉积物由粗到细、水体由浅到深, 沉积环境由陆相变为海相的地层充填序列, 反映了一种裂陷拉伸的动力学背景。因此, 西天山早石炭世大哈拉军山组火山—沉积建造形成于后碰撞裂谷环境。
- 西天山 /
- 大哈拉军山组 /
- 早石炭世 /
- 沉积相 /
- 后碰撞裂谷
Abstract: Volcanic-sedimentary rocks from the Dahalajunshan Formation of the Lower Carboniferous are widely exposed in the Yili area, western Tianshan. Large amounts of mineral deposits have been found in this association. However, there is still a considerable controversy on the tectonic setting where the Dahalajunshan Formation deposited. Through regional stratigraphic correlations and field observations, we discovered a regional angular unconformity between the Dahalajunshan Formation and its underlying strata in the study area. The lower Dahalajunshan Formation consists of conglomerate, coarse sandstone, sandstone, siltstone, mudstones, carbonate and andesite in an ascending order. In combination with sedimentological and stratigraphical analysis, we suggest that the terrestrial clastic rocks at the bottom of the Dahalajunshan Formation were formed in a fan-delta environment, which can be further divided into three subfacies:fan-delta plain, fan-delta front and pro-fan delta, and the carbonates were formed in carbonate platform. The stratigraphical sequences, in an ascending order, have creasing sediment sizes from coarse to fine, enlarging water depths from shallow to deep, but varying depositional environment from land to marine, and thus reflect an extensional setting. Therefore, we believe that the early Carboniferous Dahalajunshan Formation in western Tianshan could have formed in a post-collision rift environment.
- western Tianshan /
- Dahalajunshan Formation /
- Early Carboniferous /
- sedimentary facies /
- post-collision rift

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参考文献(0)

[1]	李浩, 张孟, 张雄华, 郭瑞禄, 高璐. 新疆哈密大草滩地区早—中泥盆世浊积岩的发现及其沉积大地构造背景 . 沉积学报, 2021, 39(4): 919-931. doi: 10.14027/j.issn.1000-0550.2020.032
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[6]	. 基于地震沉积学方法的沉积相研究——以涠西南凹陷涠洲组三段为例 . 沉积学报, 2014, 32(3): 568-575.
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[8]	殷科华. 息烽—遵义早石炭世大塘期岩相古地理特征 . 沉积学报, 2009, 27(4): 606-613.
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[11]	. 吉林松江盆地早白垩世大拉子组沉积特征及演化 . 沉积学报, 2008, 26(1): 61-69.
[12]	卓弘春. 松辽盆地北部上白垩统青山口—姚家组沉积相及层序地层界面特征 . 沉积学报, 2007, 25(1): 29-38.
[13]	朱迎堂, 方小敏, 高军平, 伊海生, 王世锋, 张伟林. 青藏高原南部乌郁盆地渐新世—上新世地层沉积相分析 . 沉积学报, 2006, (6): 775-782.
[14]	朱迎堂方小敏高军平伊海生王世锋张伟林. 青藏高原南部乌郁盆地渐新世—上新世地层沉积相分析 . 沉积学报, 2006, 24(06): 775-782.
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[16]	林春明, 宋宁, 牟荣, 赵彦彦, 汪亚军, 杨德洲. 江苏盐阜拗陷晚白垩世浦口组沉积相与沉积演化 . 沉积学报, 2003, 21(4): 553-559.
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[19]	姚金福, 朱莲芳. 酒西盆地石北地区晚侏罗—早白垩世沉积相研究 . 沉积学报, 1989, 7(4): 105-111.
[20]	唐天福, 薛耀松, 俞从流. 中国南方晚震旦世沉积相及磷块岩的时空分布 . 沉积学报, 1987, 5(3): 113-124.

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西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

doi: 10.14027/j.cnki.cjxb.2015.03.004

1. 中国地质调查局西安地质调查中心西安 710054;

2. 国土资源部岩浆作用成矿与找矿重点实验室西安地质调查中心西安 710054

基金项目: 国家自然科学青年基金项目(批准号:41202077)与中国地质调查局项目(编号:12120113041000,1212011085475,12120113042200,1212011220649)联合资助

作者简介:
白建科男 1983年出生工程师沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

收稿日期: 2014-04-17
修回日期: 2014-07-09
刊出日期: 2015-06-10

中图分类号: P542;TE121.3

关键词:

西天山 /

大哈拉军山组 /

早石炭世 /

沉积相 /

后碰撞裂谷

摘要: 西天山伊犁地区广泛出露早石炭世大哈拉军山组火山—沉积岩系, 其内赋存了金、铁、铜等重要的金属矿床。但迄今为止, 关于大哈拉军山组形成构造环境还存在很大的争议。通过区域地层对比, 研究区大哈拉军山组与下伏地层之间存在区域性角度不整合接触关系。其底部自下而上依次发育砾岩、粗砂岩、砂岩、粉砂岩、泥岩、碳酸盐岩、安山岩。沉积学和层序序列分析显示, 该组底部的陆源碎屑岩建造组合形成于扇三角洲沉积环境, 进一步可划分出扇三角洲平原、扇三角洲前缘和前扇三角洲3个亚相, 向上出现的碳酸盐岩形成于浅海碳酸盐岩台地环境。这种沉积物由粗到细、水体由浅到深, 沉积环境由陆相变为海相的地层充填序列, 反映了一种裂陷拉伸的动力学背景。因此, 西天山早石炭世大哈拉军山组火山—沉积建造形成于后碰撞裂谷环境。

English Abstract

Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation

1. Xi'an Center of China Geological Survey, Xi'an 710054;

2. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi'an Centre of Geological Survey, Xi'an 710054

Received Date: 2014-04-17
Rev Recd Date: 2014-07-09
Publish Date: 2015-06-10

Keywords:

Abstract: Volcanic-sedimentary rocks from the Dahalajunshan Formation of the Lower Carboniferous are widely exposed in the Yili area, western Tianshan. Large amounts of mineral deposits have been found in this association. However, there is still a considerable controversy on the tectonic setting where the Dahalajunshan Formation deposited. Through regional stratigraphic correlations and field observations, we discovered a regional angular unconformity between the Dahalajunshan Formation and its underlying strata in the study area. The lower Dahalajunshan Formation consists of conglomerate, coarse sandstone, sandstone, siltstone, mudstones, carbonate and andesite in an ascending order. In combination with sedimentological and stratigraphical analysis, we suggest that the terrestrial clastic rocks at the bottom of the Dahalajunshan Formation were formed in a fan-delta environment, which can be further divided into three subfacies:fan-delta plain, fan-delta front and pro-fan delta, and the carbonates were formed in carbonate platform. The stratigraphical sequences, in an ascending order, have creasing sediment sizes from coarse to fine, enlarging water depths from shallow to deep, but varying depositional environment from land to marine, and thus reflect an extensional setting. Therefore, we believe that the early Carboniferous Dahalajunshan Formation in western Tianshan could have formed in a post-collision rift environment.

白建科, 李智佩, 徐学义, 李婷. 西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据[J]. 沉积学报, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

引用本文:

白建科, 李智佩, 徐学义, 李婷. 西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据[J]. 沉积学报, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

Citation:

BAI JianKe, LI ZhiPei, XU XueYi, LI Ting. Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation[J]. Acta Sedimentologica Sinica, 2015, 33(3): 459-469. doi: 10.14027/j.cnki.cjxb.2015.03.004

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西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

doi: 10.14027/j.cnki.cjxb.2015.03.004

作者简介:
白建科男 1983年出生工程师沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

计量

Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation

计量

目录

西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

doi: 10.14027/j.cnki.cjxb.2015.03.004

1. 中国地质调查局西安地质调查中心西安 710054;

2. 国土资源部岩浆作用成矿与找矿重点实验室西安地质调查中心西安 710054

作者简介:
白建科男 1983年出生工程师沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

English Abstract

Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation

1. Xi'an Center of China Geological Survey, Xi'an 710054;

2. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi'an Centre of Geological Survey, Xi'an 710054

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西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

doi: 10.14027/j.cnki.cjxb.2015.03.004

作者简介: 白建科 男 1983年出生 工程师 沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

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Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation

计量

出版历程

目录

西天山早石炭世构造环境:大哈拉军山组底部沉积地层学证据

doi: 10.14027/j.cnki.cjxb.2015.03.004

1. 中国地质调查局西安地质调查中心 西安 710054; 2. 国土资源部岩浆作用成矿与找矿重点实验室 西安地质调查中心 西安 710054

作者简介: 白建科 男 1983年出生 工程师 沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

English Abstract

Tectonic Environment of Western Tianshan during the Early Carboniferous:Sedimentary and stratigraphical evidence from the bottom of the Dahalajunshan Formation

1. Xi'an Center of China Geological Survey, Xi'an 710054; 2. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi'an Centre of Geological Survey, Xi'an 710054

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
白建科男 1983年出生工程师沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

1. 中国地质调查局西安地质调查中心西安 710054;

2. 国土资源部岩浆作用成矿与找矿重点实验室西安地质调查中心西安 710054

作者简介:
白建科男 1983年出生工程师沉积学、盆地分析与造山带演化 E-mail:baijianke2003@163.com

1. Xi'an Center of China Geological Survey, Xi'an 710054;

2. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, MLR, Xi'an Centre of Geological Survey, Xi'an 710054