الصفحة الرئيسية > Term: core
core
A solid, cylindrical sample of rock produced by an annular drill bit, generally rotatively driven but sometimes cut by percussive methods.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)