Home > Term: valley brown ore
valley brown ore
A local name for comparatively pure high-grade limonite or brown iron ore in Cambro- Ordovician limestones in the Shenandoah Valley of Virginia.
- 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)