矿体圈定,主要是指通过地质研究和工程揭露(必要时还配合地球物理或地球化学探矿的某些方法),为追索并查明矿体的形状、产状、空间分布及规模大小等而进行的工作;在矿产资源/储量估算时,根据探矿工程和取样分析的资料,按照工业部门对矿产利用的指标要求,为确定不同质量、用途和开采技术条件的矿产资源/储量分布范围而进行的工作。
主要阐述了当量品位的概念、主要工作方法及影响当量品位法二次圈定矿体的各方面因素。
Concept of grade equivalent, major working methodology and factors impacting secondary orebody outlining by grade equivalent are described.
矿床工业指标主要是圈定矿体和估算资源储量的依据,是保护和合理利用矿产资源的重要杠杆。
Industry Index is an important base of delineating ore body and calculating reserves of deposit, and the protection and rational utilization of mineral resources in the important levers.
石英脉型金矿中,金的分布极不均匀,很难用工程直接圈定矿体和计算储量。
It is very hard to delineate directly a gold-quartz vein by prospecting drilling or gallery and calculate its reserves due to the uneven distribution of gold in the vein.
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