Combined Open Pit and Underground Mining Method at Aghires Mine.

被引：0
|
作者：
Muste, I. [1 ]
机构：
[1] Combinatul Minier Cluj, Combinatul Minier Cluj
来源：
Mine, petrol si gaze | 1986年 / 37卷 / 09期
关键词：
SAND; SILICA;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
After discussing the deposit, the author indicates that in a mining field of about 50 ha seam, caolinous sand was mined by using the chamber method with abandoned pillars. An extraction of 60% sand from seam II or 20% of the overall reserves from this field was reached. Following this, after having described the physical and mechanical features of the ore seams and the host rock, a safety plate was provided over the stopes and three alternatives for the open pit mining of the remaining reserves were designed.
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页码：408 / 416
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