| 孙华山,曹新志,张科.粤西北庞西垌银(金)矿床控矿断裂特征与断裂控矿规律[J].地质找矿论丛,2005,(3):161-165 |
| 粤西北庞西垌银(金)矿床控矿断裂特征与断裂控矿规律 |
| THE CHARACTERISTICS OF ORE-CONTROLLING FRACTURE AND THE ORE-CONTROLING REGULARITIES IN PANGXIDONG Ag(Au) DEPOSIT, NORTHWEST GUANGDONG |
| 投稿时间：2004-10-10 |
| DOI：10.6053/j.issn.1001-1412.2005.3. 003 |
| 中文关键词: 控矿断裂特征 控矿规律 庞西垌银(金)矿床 粤西北 |
| 英文关键词:Characteristics of ore-controlling structure Regularities of structure controlling ore Pangxidong Ag(Au) deposit Northwest Guangdong province |
| 基金项目:“广东省廉江市庞西垌断裂带银金矿体定位规律及牛时历矿段成矿预测研究”部分研究成果 |
| 作者 | 单位 | | 孙华山 | 中国地质大学, 资源学院, 武汉, 430074
中国地质大学, 研究生院, 武汉, 430074 | | 曹新志 | 中国地质大学, 资源学院, 武汉, 430074 | | 张科 | 中国地质大学, 研究生院, 武汉, 430074 |
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| 中文摘要: |
| 庞西垌银(金)矿床是粤西北地区构造蚀变岩型银(金)矿床的典型代表之一。矿床产出受前寒武系及下古生界混合片麻岩与燕山晚期花岗岩之间的接触带断裂构造控制,矿体严格产于断裂带内部,呈脉状、透镜状。研究表明,控矿断裂的形态、产状变化对矿体空间定位有明显的控制作用,多组控矿断裂的交叉复合是矿体加大变厚的直接原因。矿体产出与断裂构造内部特定的断裂构造岩、蚀变岩及其分带有关。 |
| 英文摘要: |
| Pangxidong deposit is one of the typical altered cataclastic rock type Ag(Au) deposit in the Northwest Guangdong province. It is controled by fracture in the contact zone between Precambrian system and Lower Palaeozoic migmatitic gneiss and Yanshanian granite. Ore bodies occur absolutely in fractural zone as veins, lens. Researches on the deposit indicate that spatial location of ore bodies is obviously controled by change of the ore-controling fraclure's morphology and occurrance. Intersection or merge of several fractares causes generally ore bodies enlarging or thickening. Distribution of ore bodies is related to particular tectonites and their zonation within the fractural zone. |
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