辽西阜新夏家沟地区新元古界殷屯组发现的意义

doi:10.13686/j.cnki.dzyzy.2021.05.001

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摘要在对辽西夏家沟地区出露的中元古界长城系、蓟县系岩石地层单位进行考察时，在中元古界长城系串岭沟组之上，发现了新元古界北方南华系下统殷屯组冰碛杂砾岩地体，该地体与中元古界长城系串岭沟组呈角度不整合接触.该项发现填补了辽西地区新元古代时期陆相岩石地层单位沉积的一项空白，对于讨论辽西地区新元古代地壳的演化历史增添了新的内容，具有重要的地质意义.

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	卢崇海
	刘振伟
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	李彪
	徐耸
	关树野
	陈历佳
	卢思桥

关键词 ：北方南华系, 殷屯组, 新元古界, 冰碛杂砾岩, 辽西

Abstract：During the investigation of Mesoproterozoic Changchengian and Jixianian lithostratigraphic units occurred in Xiajiagou area of western Liaoning Province, the moraine conglomerate terrane of Yintun Formation of Lower North Nanhuan System, Neoproterozoic, is found above the Chuanlinggou Formation of Mesoproterozoic Changchengian System. The two show an angular unconformity contact relation. The discovery fills a gap in the Neoproterozoic continental lithostratigraphic unit deposition and adds new content to the discussion of Neoproterozoic crustal evolution history in western Liaoning, which has great geological implication.

Key words： North Nanhuan System Yintun Formation Neoproterozoic moraine conglomerate western Liaoning

收稿日期: 2020-06-01

PACS:

P534.3

基金资助:辽宁省地质矿产勘查局项目"辽宁新元古代南华纪地层划分与对比研究"（辽地科[2016]04号）.

通讯作者: 刘振伟(1986-),男,高级工程师,主要从事矿产勘查工作,通信地址辽宁省沈阳市皇姑区宁山中路42号,E-mail//zhenweikky@sina.com E-mail: zhenweikky@sina.com

作者简介: 卢崇海(1957-),男,教授级高级工程师,主要从事岩石学区域地质调查方面研究,通信地址辽宁省沈阳市皇姑区宁山中路42号,E-mail//lnlch99@163.com

引用本文:

卢崇海, 刘振伟, 曹煜昊, 李彪, 徐耸, 关树野, 陈历佳, 卢思桥. 辽西阜新夏家沟地区新元古界殷屯组发现的意义[J]. 地质与资源, 2021, 30(5): 521-525,554.
LU Chong-hai, LIU Zhen-wei, CAO Yu-hao, LI Biao, XU Song, GUAN Shu-ye, CHEN Li-jia, LU Si-qiao. DISCOVERY OF THE NEOPROTEROZOIC YINTUN FORMATION IN XIAJIAGOU AREA OF FUXIN, WESTERN LIAONING: Geological Implication. GEOLOGY AND RESOURCES, 2021, 30(5): 521-525,554.

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