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요약정보
辽宁阜新宅山土铁矿地质特征及找矿标志
Resource Type
Academic Journal
Authors
李奇
;
陈军典
;
杨红恩
;
罗银花
;
韩晓涛
;
白昕冉
;
金源
;
衣欣
;
吴曼
Source
西部探矿工程 / West-China Exploration Engineering
. 34(12):109-112
Subject
宅山土铁矿
复背斜
小牵马岭片麻岩单元
沉积变质型铁矿
找矿标志
Language
Chinese
ISSN
1004-5716
Online Access
Find it @ DONGA
초록
辽宁阜新宅山土铁矿区位于华北地台北缘赤峰—开原深大断裂的南侧,石场背斜和平安地向斜构成的复背斜处,地质构造复杂.太古宙变质基性、超基性—中酸性火山岩—沉积岩系作为本区的基底,中生代活化盖层主要由白垩系下统义县组(K1y)中酸性火山熔岩、火山碎屑岩和白垩系上统孙家湾组(K2s)砾岩、角砾岩组成.磁铁矿体赋存于新太古代小牵马岭片麻岩单元(Ar3xqgn)斜长角闪片麻岩中,多呈层状—似层状产出,与地层产状一致,为沉积变质型铁矿.区内矿体与磁异常吻合较好,旨在通过对已知矿体的地质特征及磁异常研究,归纳矿床成因,总结找矿标志,为下一步勘查及周边找矿具有指导意义.
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