Home > Term: blue band
blue band
A thin, persistent bed of bluish clay that is found near the base of the No. 6 coal throughout the Illinois-Indiana basin.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Looja
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
