摘要
拉尔玛金矿床是一个含铀金矿。金矿原生晕具有头晕与前缘挥发晕的叠加或“混杂堆积”式及中下部晕的分异分带性，所反映的成矿机制属层控隐爆－分异沉淀的热液成因机理，元素浓度值、元素相关性、元素对比值及总矿化强度等沿矿体倾向均呈递增或递减变化，此规律在矿体剥蚀程度的定性评判及利用数学地质方法（回归分析）定量化评判中均有简单易判的指标及高的评判预测效果。
Laerma gold deposit is a uraniferous gold deposit. The primary gold halo is characterized by superimposition of head halo and frontier volatile component halo of 'melange accumulation'type halo and differential zonation of middle and lower halo,reflecting the stratrabound cryptoexplosion-differentiation precipitation of the ore-forming mechanism.and also indicating that element concentration value,element correlatability,element contrast value and total mineralization intensity all show increasing or decreasing variation along the dipping of orebodies.This law has simple discriminant index and high predicative effect of discrimination in the qualitative discrimination of erosipnal degree of orebodies and quantification discrimination by using the method of mathematical geology (regression analysis).
出处
《铀矿地质》
CSCD
北大核心
1994年第2期97-105,共9页
Uranium Geology
关键词
地球化学模式
金矿床
含铀
Uraniferous gold deposit
Geochemical prospecting
Discrimination of erosional degree
