Geology information overlying a useful mineral deposit.
Geology Sedimentary rock addressing older crystalline levels.
Archaeology A sterile stratum overlying a stratum bearing traces regarding the culture being examined.
The stone and subsoil that lies above a mineral deposit particularly a coal seam.
A sterile stratum that lies over the stratum becoming examined
The waste which overlies great rock in a quarry.
Detrital product or stone which includes become removed, as being of no worth, in order to get at some valuable material beneath, which its intended to mine or quarry: used in reference to quarrying or excavating clay and comparable products.
An excessive load; an encumbrance or load higher than should-be carried.
the top soil that must definitely be moved away to get at coal seams and mineral deposits