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ductile sheer
    THE FEATURES OF THE GOLDCONTAINING DUCTILE SHEER ZONEAND THE GOLD MINERALIZATION IN 210# GOLD DEPOSIT
    210金矿床含金韧性剪切带特征与金矿化
    MASS-BALANCE ANAlYSIS ON MYLONITES FROM DUCTILE SHEER ZONES IN SOUTH LIAONING
    辽南韧性剪切带糜棱岩类质量平衡分析
    The former is controlled by a ductile sheer zone, while the latter is controlled by a brittle-ductile fault.
    前者是韧性剪切带控矿,后者是脆—韧性断裂控矿;
    The regionnal large ductile sheer belt controls the distribution of theore zone or are field, the secondary brittle faults control the range of the ore deposit and the local interlagerfracture zone and faults fracture control the sites of the ore bodies.
    区域性大型韧性剪切带控制金矿带、金矿区的展布,地区性二级脆性断裂控制金矿床的范围,局部的更次级层间破碎带、断裂裂隙带控制矿体的就位。
    210# gold deposit is a nwe type gold deposit discovered in 1980.The hosting strata is tuffdite of Jinwozi Group of the upper Devonian sevies,the deposit is located in the ductile sheer zone.
    210金矿床为80年代发现的新金矿类型。 赋矿地层为上泥盆统金窝子组层凝灰岩,定位于矿区的韧性剪切带中。
    By studying the macroscopic and microscopic features,the alteration and the geochemical characteristics of 210# sheer zone,it is shown that the enrichment and formation of gold mineralization is closely related with the stress evolution of 210# sheer zone. The gold mineralization mainly occurred in the formation stage of migmitization and alteration in the second period of the ductile sheer zone and was further enriched by the deformation of NE-SW anticlockwise strikeslip ductil sheering in the third period. 
    对210剪切带的宏观特征、微观特征、蚀变特征和地球化学特征的研究,揭示金矿化的形成、富集与210韧性剪切带应变演化过程密切相关,金矿化主要发生在第二期韧性剪切带形成糜棱岩化岩石、蚀变岩石阶段,第三期NE-SW左行走滑脆-韧性剪切变形阶段使金矿化进一步富集。
 

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