The overlying side of an orebody, fault, or mine working, esp. the wall rock above an inclined vein or fault.
The wall on the upper side of an inclined orebody.
the wall rock above an inclined fault plane.
the mass of rock above a geological structure (orebody, fault, etc.)
the wall or rock on the upper or topside of an ore deposit.
the upper rock wall in a flat or inclined deposit (as opposed to footwall) Horizon in geology, any given definite position or interval in the stratigraphic column or the scheme of stratigraphic classification; generally used in a relative sense.
The rock on the upper side of a vein or ore deposit.
The upper wall of an inclined fault plane
The top or upper enclosing wall of a vein.
The portion of the fault block above the fault plane.
Of the two sides of a fault, the side above the fault plane. It is called the hanging wall because where inactive faults have been "filled in" with mineral deposits and then mined, this is the side on which miners can hang their lanterns. (See footwall.)
the side of rock that lies above a fault, vein, lode, etc. [AHDOS
The rock or sediment above an inclined fault plane.
The overlying side of a fault, orebody or mine working