Home > Term: grenz
grenz
Horizons in coalbeds resulting from temporary halting of the accumulation of vegetal material. They are frequently marked by a bed of clay or sand.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Δημιουργός
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
