Gneiss is a type of high grade metamorphic rock which typically has a banded foliation. High grade in regards to temperature and pressure not mineralization.
Veins are minerals which have crystallized in void space in rocks. A stringer vein is a thin discontinuous vein.
A footwall is the rock beneath a dipping fault when viewed in cross section. If you have a dipping ore body it can also refer to the rock below the ore body as the foot wall.
- Forums
- Commodities
- Geo Question
Gneiss is a type of high grade metamorphic rock which typically...
Featured News
Featured News
The Watchlist
RAC
RACE ONCOLOGY LTD
Dr Pete Smith, Executive Chairman
Dr Pete Smith
Executive Chairman
SPONSORED BY The Market Online