Home > Term: horseback
horseback
A body of clay, usually roughly tabular in form like an ore vein, that fills a crevice in a coal seam. It is believed to have originated where the pressure was high enough to force 616 clay from the roof or floor into small fissures and in many instances, to alter and to enlarge them.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Kūrėjas
- ed.young
- 100% positive feedback
(Milwaukee, United States)