摘要
阐述了在我国市场经济条件下 ,圈定矿体和划分不同储量 /资源量的方法。提出了圈定矿体的 4项品位指标的概念和确定方法。这 4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。利用前 3项品位指标可以分别圈定矿体边界、次边际的资源量、边际经济的储量、经济储量。利用矿床平均品位可以衡量矿床是否具有投资价值。
This paper deals with the methods to outline ore bodies and to block out different reserves/resources under the condition of the Chinese market oriented economy The author has put forward the concepts of four kinds of grades and the methods to determine them They are respectively named cut off grade, marginal grade, economic grade and the average grade of an ore deposit Ore bodies, Sub marginal economic resources, marginal economic reserves and economic reserves can be contoured respectively with the former three The value of investment for an ore deposit can be judged with the last one
出处
《西北地质》
CAS
CSCD
2002年第3期113-118,共6页
Northwestern Geology
