热磁技术确定矿床有效指示元素的试验与效果

Experiment and result of determining the effective indicator elements by thermomagnetic technology

针对找矿指标的有效性和找矿模型的普适性问题,研究引入热磁技术,以乌努格吐山铜矿和丰山洞铜矿为例,对比分析了土壤热磁组分与岩石、岩石热磁组分与黄铁矿的元素组合。试验表明,在确定成矿指示元素组合方面,土壤热磁组分是一种可行的介质,相比岩石具有更高的元素含量,可以挖掘出更多的异常信息;而岩石热磁组分与黄铁矿则具有一致的元素组合,比较而言,岩石热磁组分具有更宽的适用范围(如风化岩石)。作为一种人工方法分离组分,热磁组分弥补了岩石或黄铁矿等自然介质本身所固有的一些不足,为成矿指示元素的选择提供了一个新的研究平台;对于确定同一类型矿床有效指示元素组合,解决找矿模型的普适性问题,开拓了一种新思路。

The thermomagnetic technology is introduced in view of the efficiency of prospecting indicators and the univer-sality of prospecting models in this paper.Taking Wunugetu hall copper mine and Fengshandong copper mine as an example, Two groups:soil thermomagnetic components-rock,rock thermomagnetic components-pyrite,were comparatively analyzed of their element association.Experiments show that,in determining the ore-forming indicator elements,soil thermomagnetic components is a viable medium,compared with elements of rock,high,can dig out the abnormal information more;and rock thermomagnetic components and pyrite have elements consistent,comparatively speaking,rock thermomagnetic components has more applicability,such as weathered rock.As a kind of artificial separation of components,thermomagnetic components make up some deficiencies of the rock or pyrite,providing a new platform for the research of the indicator elements in the form-ing of choice;for the same type of deposit effective indicator elements,solve the prospecting model of universality,open up a new way of thinking.