大柴旦行委超立本陶勒盖地区化探异常特征及找矿方向

Characteristics of Geochemical Anomalies and Ore Prospecting Direction in Chaolibentaolegai Area in Dachaidan of Qinghai Province

摘要:

在超立本陶勒盖开展不同层次化探工作的基础上认为，浅覆盖区逐级开展不同层次化探工作能快速有效地缩小找矿靶区。超力本陶勒盖Au，As异常相关性明显，该区Au异常可能为勒门沟组同生碎屑沉积地层引起，也可能后期经历了构造活化富集；巴龙贡噶尔组地层中Cu多金属异常浓集中心多数规模较小，异常区幅值不大，该类元素异常可能与褶皱处石英脉及次级构造破碎带中发现的零星孔雀石化有关；虽规模较小，但对该套地层的认识及找矿提供了思路。

Abstract:

Based on different geochemical survey in Chaolibentaolegai in Dachaidan area of Qinghai province, it is regarded that different geochemical surveys can quickly and effectively reduce the searching target areas. As and Au anomalies are significantly correlated. Au anomaly was probably caused by syngenetic clastic sedimentary strata of Lemengou formation, or experienced tectonic activation effect in late stage. Copper polymetallic anomaly may be related to sporadic Malachite in Quartz veins and secondary tectonic fracture zone. Although the scale is small change in amplitude, it will provide thoughts for understanding this series of strata and propecting copper polymetallic anomaly in Chaolibentaolegai.