摘要
攀西地区不同时代地层的水系沉积物中铂族元素地球化学背景值具有明显的规律性分布。笔者通过对该地区铂族元素含量在各地层中的分布以及地球化学异常的圈定、归并和分类,结合有关铂族矿床地球化学特征的认识,通过对水系沉积物中Pt、Pd综合异常的筛选,在铂族元素综合衬值异常图的基础上共划分出Ⅰ类异常4个、Ⅱ类异常19个、Ⅲ类异常23个以及Ⅳ类异常14个。初步筛选出的19个Ⅱ类异常子区可为进一步开展铂族矿床找矿工作提供依据。
Geochemical background values of PG （platinum group） elements in stream sediments of different strata show obvious regular distribution in the Panxi region. Based on distribution of PG elements in the different strata and delineation, merging and classification of geochemical anomaly, and combining recognition of geochemical characteristics of platinum group element deposits, 4 pieces of Ⅰ type anomaly, 19 pieces of Ⅱtype anomaly, 23 pieces of Ⅲ type anomaly and 14 pieces of Ⅳ type anomaly are divided. 19 pieces of Ⅱ type anomaly which have been screened out can be used as a guideline for prospecting of PGE deposits in future.
出处
《地质与勘探》
CAS
CSCD
北大核心
2008年第1期62-66,共5页
Geology and Exploration
基金
中国地调局项目(编号:200510200018)资助
关键词
攀西地区
水系沉积物
铂族元素
背景值
地球化学异常
Panxi region, stream sediment, PG element, background value, geochemical anomaly
