黑龙江金厂金矿区火山构造及其控矿特征  

The character of volcanic structure and its ore-control features in Jinchang Area, Heilongjiang

作　　者：金宝义[1] 陈锦荣[1] 褚金海 王艳忠[3] 

机构地区：[1]武警黄金地质研究所,河北廊坊065000 [2]张家口金矿,河北宣化075148 [3]武警黄金第五支队,黑龙江牡丹江157000

出　　处：《黄金地质》2002年第1期26-32,共7页Gold Geology

摘　　要：金厂矿区金矿化类型主要有隐爆角砾岩型、构造蚀变岩型和黄铁矿及多金属硫化物细脉充填型 ,与其相对应的容矿构造分别为隐爆角砾岩筒 ,断裂和环状、放射状断裂。其中隐爆角砾岩筒和环状、放射状断裂是印支期花岗斑岩和燕山中—晚期闪长玢岩岩浆活动时伴生的火山 次火山构造 ,岩浆期后含矿热液充填其中并发生蚀变交代 ,形成了隐爆角砾岩型矿体及由黄铁矿 石英脉和多金属硫化物 石英脉充填的环状。Cryptoexplosior breccia type, structural altered rock type and pyrite and polymetallic sulfide veinlet filling type are the main gold mineralization types in the Jinchang gold minefield, Dongning. Cryptoexplosior breccia pipe, fracture and ring (radial) fracture are the contain structures corresponding the mineralization types. Among them the cryptoexplosior breccia pipe and ring (radial) fracture are associated with volcanic and subvolcanic structure during the activity of granite porphyry in Indosinian and diorite porphyrite in middle later Yanshanian. By filling and followed alteration and metasomatism of ore bearing hydrothermal at postmagmatic, the cryptoexplosior breccia type ore body and ring (radial) pyrite quartz vein and quartz polymetallic sulfide ore body are formed.

关 键 词：金矿床 火山构造 控矿特征 黑龙江 

分 类 号：P618.51[天文地球—矿床学]