[1]蔡雄飞,廖群安,王富明,等.新疆卡拉麦里碰撞带南缘志留—泥盆纪沉积学研究新进展[J].华东地质,2016,37(02):113-119.[doi:10.16788/j.hddz.32-1865/P.2016.02.005]
 CAI Xiong-fei,LIAO Qun-an,WANG Fu-ming,et al.New research progress on Silurian and Devonian sedimentation in the southern margin of the Kalamaili collision belt, Xinjiang[J].East China Geology,2016,37(02):113-119.[doi:10.16788/j.hddz.32-1865/P.2016.02.005]
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新疆卡拉麦里碰撞带南缘志留—泥盆纪沉积学研究新进展()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
37
期数:
2016年02期
页码:
113-119
栏目:
基础地质
出版日期:
2016-06-15

文章信息/Info

Title:
New research progress on Silurian and Devonian sedimentation in the southern margin of the Kalamaili collision belt, Xinjiang
文章编号:
2096-1871(2016)02-113-07
作者:
蔡雄飞1廖群安1王富明2樊光明1
(1.中国地质大学生物地质与环境地质国家重点实验室; 中国地质大学地球科学学院,武汉 430074)
(2.四川省地质矿产勘查开发局区域地质调查队,成都 610213)
Author(s):
CAI Xiong-fei1 LIAO Qun-an1WANG Fu-ming2Fan Guang-ming1
(1.State key laboratory of Biological Geology and Environmental Geology; Faculty of Earth Science, China University of Geosciences, Wuhan 430074, China )
(2.Regional Geological Survey Team,Sichuan Bureau of Geological Exploration and Development of Mineral Resource, chengdu 610213, China)
关键词:
碰撞带南缘 沉积学 志留-泥盆纪 克拉麦里 新疆
Keywords:
the southern margin of collision belt sedimentation Silurian-Devonian Kelamaili Xinjiang
分类号:
P588.2
DOI:
10.16788/j.hddz.32-1865/P.2016.02.005
文献标志码:
A
摘要:
志留纪、泥盆纪是研究新疆卡拉麦里碰撞带发展、演化的关键时期。本文通过研究该区志留—泥盆纪的沉积学特征,认为志留纪白山包组为“风暴海”远岸沉积,而非单纯的“海滩”、“浅海”沉积。泥盆纪卡拉麦里组下段发现的重力流浊流沉积序列以及重力流水道相沉积,表明沉积环境为斜坡相—半深海相,而非“滨海相”。晚泥盆世克安库都克组发现的陆相磨拉石,显示陆一陆碰撞造山阶段的沉积,这些沉积记录了盆地形成、演化和造山过程,丰富了新疆卡拉麦里构造演化的研究内容,确定洋壳俯冲、陆陆碰撞的时间应为晚泥盆世。
Abstract:
The Silurian and Devonian periods were critical ages for the development and evolution of the Kalamaili collision belt. By studying the Silurian and Devonian sedimentation in the southern margin of Kalamaili collision belt, it is concluded that the Baishanbao Formation in Silurian period should belong to infralittoral sediment called storm surge rather than sediment of beach or shallow sea. The gravity flow turbidite sequences and gravity flow drainage channel deposit discovered in the lower segment of the Kalamaili Formation indicate a sedimentary environment of slope to bathyal facies rather than littoral facies. Continental molasse discovered in the late Devonian Keankuduke Formation represents the sedimentary of continent-continent collisional orogeny, which records the formation, evolution and orogenic process of the basin. The result in this study not only enriches the research content of tectonic evolution in the Kalamaili collision belt, but confirms that oceanic crust subduction and continent-continent collision happened in late Devonian

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备注/Memo

备注/Memo:
基金项目:中国地质调查局地质调查项目“新疆东准噶尔卡拉麦里1:50000(L45E017020、L45E017021、L45E018020、L45E018021、L45E016022)等5幅区调”(项目编号:1212011120508)。
第一作者简介:蔡雄飞,1952年生,男,研究员,从事地层和沉积学研究。
更新日期/Last Update: 2016-06-17