云南思茅三叠纪弧后前陆盆地的沉积特征

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云南思茅三叠纪弧后前陆盆地的沉积特征

文章导航 > 沉积学报 > 2002 > 20(4): 560-567

谭富文. 云南思茅三叠纪弧后前陆盆地的沉积特征[J]. 沉积学报, 2002, 20(4): 560-567.

引用本文:

谭富文. 云南思茅三叠纪弧后前陆盆地的沉积特征[J]. 沉积学报, 2002, 20(4): 560-567.

TAN Fu wen. The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province[J]. Acta Sedimentologica Sinica, 2002, 20(4): 560-567.

Citation:

TAN Fu wen. The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province[J]. Acta Sedimentologica Sinica, 2002, 20(4): 560-567.

谭富文. 云南思茅三叠纪弧后前陆盆地的沉积特征[J]. 沉积学报, 2002, 20(4): 560-567.

引用本文:

谭富文. 云南思茅三叠纪弧后前陆盆地的沉积特征[J]. 沉积学报, 2002, 20(4): 560-567.

TAN Fu wen. The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province[J]. Acta Sedimentologica Sinica, 2002, 20(4): 560-567.

Citation:

TAN Fu wen. The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province[J]. Acta Sedimentologica Sinica, 2002, 20(4): 560-567.

云南思茅三叠纪弧后前陆盆地的沉积特征

谭富文

国土资源部成都地质矿产研究所成都 610082

基金项目: 中国石油天然气总公司南方新区油气勘探项目资助

作者简介:
谭富文男 1963年出生研究员博士沉积学与构造地质学

中图分类号: P512.2

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文章访问数: 601
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The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province

TAN Fu wen

Chengdu Institute of Geology and Mineral Resources,Chengdu 610082

摘要: 思茅盆地位于古特提斯构造域的东段,西侧为澜沧江造山带,东侧为哀牢山造山带.三叠纪沉积盆地建立在晚古生代褶皱基底之上,形成于古特提斯洋闭合后,造山早期的弧陆碰撞阶段.前人提出过后陆盆地、滞后型弧后盆地、裂谷盆地和前陆盆地等多种认识.本文通过对盆地形成的地球动力学背景及盆地内沉积体的性质、结构、时空叠置关系、古流向、特殊沉积体的时空展布及其所表现出的盆地沉降中心的迁移规律等方面的系统研究,认为思茅三叠纪盆地属弧后前陆盆地,其演化阶段始于中三叠统安尼期以前,盆地主要受控于澜沧江造山带,晚三叠世晚期受哀牢山造山带影响,具有复合式前陆盆地特点,三叠纪末过渡为陆内拗陷盆地。
- 特提斯 /
- 思茅盆地 /
- 前陆盆地 /
- 三叠纪
Abstract: Simao basin iocates in East part of Paieo-Tethys tectonic zone. To its west is Lancangjiang orogenic beit and east is Aiiao-shan orogenic beit. Based on the iate Paieozoic foid basement,Simao Triassic sedimentary basin formed in the eariy continentai-isiand arc coiiiusion stage after the ciose of Paieo-Tethys ocean. Lots of viewpoints have been given to interpret its property,such as rear-iand basin,”deiayed”back-arc basin,rift basin and foreiand basin. In this paper,the authors argue,on the basis of the study of the texture,property,stacking pattern,the provenance（or paieo-current directions）of the deposits,the earth dynamics of the basin and the transfer mode of the basin center,that Simao Triassic basin was a rear-arc foreiand basin. Its deveiopment started before Anisian of Middie Triassic and controiied mainiy by Lancangjiang orogenic beit. In Late Triassic,effected by Aiiao-shan orogenic beit,the basin had the properties of compiex foreiand basin. At the end of Triassic,it transformed into an intracontinentai downwarped basin.
- Tethys /
- Simao basin /
- foreiand basin /
- Triassic

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文章访问数: 601
HTML全文浏览量: 24
PDF下载量: 997
被引次数: 0

云南思茅三叠纪弧后前陆盆地的沉积特征

谭富文

国土资源部成都地质矿产研究所成都 610082

基金项目: 中国石油天然气总公司南方新区油气勘探项目资助

作者简介:
谭富文男 1963年出生研究员博士沉积学与构造地质学

收稿日期: 2001-11-05
修回日期: 2002-01-28
刊出日期: 2002-12-10

中图分类号: P512.2

关键词:

摘要: 思茅盆地位于古特提斯构造域的东段,西侧为澜沧江造山带,东侧为哀牢山造山带.三叠纪沉积盆地建立在晚古生代褶皱基底之上,形成于古特提斯洋闭合后,造山早期的弧陆碰撞阶段.前人提出过后陆盆地、滞后型弧后盆地、裂谷盆地和前陆盆地等多种认识.本文通过对盆地形成的地球动力学背景及盆地内沉积体的性质、结构、时空叠置关系、古流向、特殊沉积体的时空展布及其所表现出的盆地沉降中心的迁移规律等方面的系统研究,认为思茅三叠纪盆地属弧后前陆盆地,其演化阶段始于中三叠统安尼期以前,盆地主要受控于澜沧江造山带,晚三叠世晚期受哀牢山造山带影响,具有复合式前陆盆地特点,三叠纪末过渡为陆内拗陷盆地。

English Abstract

谭富文. 云南思茅三叠纪弧后前陆盆地的沉积特征[J]. 沉积学报, 2002, 20(4): 560-567.

引用本文:

谭富文. 云南思茅三叠纪弧后前陆盆地的沉积特征[J]. 沉积学报, 2002, 20(4): 560-567.

TAN Fu wen. The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province[J]. Acta Sedimentologica Sinica, 2002, 20(4): 560-567.

Citation:

TAN Fu wen. The Sedimentary Characteristics of Simao Triassic Rear Arc Foreland Basin, Yunnan Province[J]. Acta Sedimentologica Sinica, 2002, 20(4): 560-567.

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