Home > Term: black bat
black bat
A piece of bituminous shale embedded in the rock immediately over the coal measure and liable to fall of its own weight when the coal beneath it has been removed. Compare: kettle bottom
- Part of Speech: noun
- Industry/Domain: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Creator
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
