南秦岭竹山县土地岭火山岩型钽铌矿综合找矿方法及找矿模型

黄景孟, 熊意林, 张笑, 鲁显松, 周豹, 汪国虎

An integrated ore-prospecting method and model for volcanic Ta-Nb deposits in Tudiling,Zhushan County, south Qinling orogenic belt

HUANG Jing-Meng, XIONG Yi-Lin, ZHANG Xiao, LU Xian-Song, ZHOU Bao, WANG Guo-Hu

图2 土地岭地区1:5万水系沉积物测量异常剖析 a—研究区地质图;b—Nb异常分布;c—Ce异常分布;d—La异常分布;1—全新统;2—梅子垭组一段;3—竹山组;4—耀岭河组;5—辉绿岩;6—正长斑岩;7—粗面岩;8—含砾粗面质晶屑凝灰岩;9—粗面质熔结凝灰岩;10—凝灰质娟云千枚岩;11—钽铌矿体及编号;12—铌矿体及编号;13—断层;14—异常内带;15—异常中带;16—异常外带;17—Nb-La-Ce组合异常带

Fig.2 Analysis of 1:50 000 stream sediment measurement anomalies in Tudiling area a—geological map of the study area;b—Nb abnormal distribution;c—Ce abnormal distribution;d—La abnormal distribution;1—Quaternary;2—first lithologic segment of Meiziya formation;3—Zhushan formation;4—Yaolinghe formation;5—diabase;6—syenite porphyry;7—trachyte;8—granitic trachyte-bearing tuff;9—trachytic fusion tuff;10—tuffaceous sericitization phyllite;11—Nb-Laorebbady and numbering;12—Nborebbady and numbering;13—fault;14—abnormal inner zone;15—abnormal middle belt;16—abnormal outer belt;17—Nb-La-Ce composite abnormal belt