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刘佩欣
Wen Yuan (Primary School Edition) 2021 No.08
华北地质勘查局第四地质大队 河北 秦皇岛 066000
半壁山一带金矿位于河北省青龙满族自治县双山子镇内,矿石类型分为绿泥石化蚀变类型、蚀变黑云变粒岩型和强硅化蚀变岩型,区内含金矿脉系含矿热液沿构造裂隙充填交代形成的含金蚀变岩及石英脉。本区近矿围岩蚀变主要有微斜长石化、硅化、毒砂化、黄铁矿化、绢云母化、绿泥石化、碳酸盐化。矿石矿物主要有黄铁矿、磁黄铁矿、毒砂及自然金;脉石矿物主要有石英、斜长石、微斜长石;矿石中主要有益组分为金,其次为黄铁矿,磁黄铁矿、毒砂等。本区矿床成因类型应属高一中温热液充填交代蚀变岩型金矿床。工业类型应属金一黄铁矿一毒砂一石英型矿床。
构造;地质特征;找矿标志:半壁山一带金矿
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Language: 中文
CN:11-9274/G
ISSN:2096-6261
Publication Frequency: 月刊
An academic processing and support platform focusing on journal databases, submission and review, and pre-typesetting.