地球化学异常评价中的几个问题  

SOME PROBLEMS IN GEOCHEMICAL ANOMALY EVALUATION

作　　者：樊建强 吴金凤 吴晓峰 花林宝 颜自给[3] 

机构地区：[1]江苏有色华东地勘局807队,江苏南京210041 [2]江苏有色华东地勘局814队,江苏镇江212005 [3]桂林矿产地质研究院,广西桂林541004

出　　处：《矿产与地质》2005年第3期306-309,共4页Mineral Resources and Geology

摘　　要：地球化学异常评价的主要任务是区分矿致异常和非矿致异常以及就此提出远景预测区。文章就地球化学异常评价时对异常元素组合、规模、地球化学异常的分带性、元素的表生地球化学行为、异常所处的地球化学场以及异常所处的地质背景等地球化学特征进行探讨,旨在从诸多方面对地球化学异常进行评价,更加全面、客观、科学、真实地体现出异常存在的价值,以取得更理想的地质效果。<Abstrcat>The main purpose of geochemical anomaly evaluation is to discriminate ore causing anomaly from the false ones in order to propose the prospective prediction area. Some geochemical characteristics concerned about geochemical anomaly evaluation were discussed including the combination and scale of anomaly elements, geochemical anomaly zoning and supergene geochemical behavior of element, geochemical field and geological background when anomaly occurs, so as to carry out geochemical evaluation from various aspects and find the value of anomalies more completely, scientifically and realistically to achieve better geological result.

关 键 词：地球化学勘探 异常评价 综述 地球化学特征 

分 类 号：P632[天文地球—地质矿产勘探]