الصفحة الرئيسية > Term: pillar caving
pillar caving
Removal of ore from a series of stopes or rooms, leaving pillars between. Eventually the pillars are forced or allowed to cave under the weight of the roof.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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المنشئ
- ed.young
- 100% positive feedback
(Milwaukee, United States)