黑龙江省洋灰洞子铜矿床地质特征及成因探讨  

GEOLOGICAL CHARACTERS AND GENESIS OF YANGHUIDONGZI COPPER DEPOSIT IN HEILONGJIANG PROVINCE

作　　者：杨增武[1] 董传统[1] 夏统元[2] 余友[2] 

机构地区：[1]黑龙江省有色金属地质勘查七0二队,牡丹江157021 [2]黑龙江省有色金属地质勘查七0三队,阿城150300

出　　处：《地质与勘探》2005年第2期27-29,共3页Geology and Exploration

摘　　要：洋灰洞子铜矿床是太平岭多金属成矿带一小型矿床,通过对矿床的矿体形态、矿石组成、结构构造、围岩蚀变、硫同位素测定及矿石爆裂温度测定的分析,成矿物质来源于含矿岩体和地层,在成岩成矿作用中,岩浆同熔和交代作用较强烈,其成矿期可分二期,成矿温度划分三阶段。认为洋灰洞子铜矿床是与中酸性侵入岩密切相关的中温热液型斑岩铜矿床。Yanghuidongzi copper deposit is a small deposit in the Taipingling poly-metallic mineralizing belt. Based on ore body shapes, ore composition, texture and structure, wallrock alteration, sulphur isotope analysis, and ore decrepitation temperature measurements, ore-forming materials came from ore-bearing rock mass and strata. During rock-formation and mineralization, extensive magmatic syntectic and metasomatism happened. Mineralization can be divided into two period and mineralizing temperatures are divided into three stages. It is suggested that Yanghuidongzi deposit is a mesothermal porphyry copper deposit related tightly with middle-acidic intrusions.

关 键 词：铜矿床 地质特征 矿床成因 洋灰洞子 

分 类 号：P618.41[天文地球—矿床学]