Geological Characteristics and Prospecting Direction of Albitite and Gold Deposit in Sanguanmiao-Jiucaigou Area,Shaanxi Province
Received date: 2016-11-05
Revised date: 2016-12-30
Online published: 2017-05-12
Sanguanmiao-Jiucaigou area is located in the thrust-nappe tectonic belt of northern part of south Qinling mountain in Qinling orogenic belt.In this area,the albitite are widely developed,and several gold deposits(ore bodies),of which Sanguanmiao gold deposit and Jiucaigou gold deposit are the typical representative,are found.The form of the albitite in the area includes the vein-type and the mass-type.The former are mainly distributed in the east,and the later are mainly distributed in the west.The rock type of the albitite includes quartz-albitite,albite-breccia and metasomatic albitete.Based on the geological characteristics of albitite and gold deposits in the area,the relationship between albitite and gold mineralization is discussed.During the formation of albitite,Jiucaigou-type gold deposit,of which the metasomatic albitete is host lithology,was formed.And simultaneously,Sanguanmiao-type gold deposit was formed in the fault systems developed in the surrounding rocks of the albitite.They are different types of gold deposit in the same metallogenic series,which is associated with the albitite.In the end,the future prospecting direction is put forward.Utilizing comprehensive informations,combined about the medium-large scale geochemical anomalies,the ore-bearing (special) geological bodies and the ore-controlling factors,is the reasonable prospecting strategy in exploration zone prospecting.
WANG Chao , GU Yuming , HU Xishun , MEN Wenhui , YANG Haitao , WU Tao , WANG Yuliang , ZHAO Yanfeng . Geological Characteristics and Prospecting Direction of Albitite and Gold Deposit in Sanguanmiao-Jiucaigou Area,Shaanxi Province[J]. Gold Science and Technology, 2017 , 25(1) : 35 -45 . DOI: 10.11872/j.issn.1005-2518.2017.01.035
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