山东蓬莱北部郭家岭期岩体深部形态及与金矿床对应关系  

Deep Morphology of Guojialing Rock Mass and Relationship with Gold Deposit Positioning in Northern Penglai in Shandong Province

作　　者：韩艳超 赵辉绩 张笑莲 HAN Yanchao;ZHAO Huiji;ZHANG Xiaolian(Earth Sciences and Engineering College of Shandong University of Science and Technology,Shandong Qingdao 266590,China;Shandong Institute of Geological Surveying and Mapping,Shandong Ji'nan 250002,China)

机构地区：[1]山东科技大学地球科学与工程学院,山东青岛266590 [2]山东省地质测绘院,山东济南250002

出　　处：《山东国土资源》2025年第4期6-12,共7页Shandong Land and Resources

基　　金：山东省自然资源厅2021年度地质勘查项目《山东省蓬莱北部地区金矿深部成矿预测》(鲁勘字〔2019〕30号)。

摘　　要：胶东蓬莱北部分布着众多石英脉型金矿床,其形成多与郭家岭期岩体有关。本文分析了上口王李金矿床、西南王金矿床、三丁家金矿床,其主矿体多赋存于郭家岭期岩体内部或与围岩栖霞序列岩体接触带附近。在三处典型矿床进行的可控源音频大地电磁测深(CSAMT)剖面初步揭露了郭家岭期岩体的深部形态,即总体呈岩盆状下伏于新太古界侵入体之下,厚度自北向南、自东向西逐渐减小。岩体顶界面波状起伏的位置往往对应了区内主要金矿床,岩体界面凹部是矿体形成的有利部位。There are many quartz vein gold deposits in northern Penglai of Jiaodong area.Its formation has close relation with Guojialing rock mass.In this paper,Shangkouwangli gold deposit,Xinanwang gold deposit and Sandingjia gold deposit have been analyzed and studied.Most of their main orebodies exist in Guojialing rock mass or near the contact zone of Qixia rock mass.As showed by CSAMT profiles conducted at three typical deposits,deep morphology of Guojialing rock mass has been revealed.It is generally a rock basin under Neo-archean intrusion.Its thickness gradually decreases from north to south and from east to west.The undulating position of the top interface of rock mass often corresponds to main gold deposits in the area.and the interface concavity of rock mass is favorable position for the occurrence of ore bodies.

关 键 词：郭家岭期岩体 可控源音频大地电磁测深 金矿 山东蓬莱 

分 类 号：P587[天文地球—岩石学]