Basin

1. See dome.
   Source: Leet, L. Don. 1982. Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
2. A natural depression of strata containing a coalbed or other stratified deposit. CF: depression
3. The lowest part of a mine or area of coal lands. Hudson
4. A general region with an overall history of subsidence and thick sedimentary section. Wheeler, R.R.
   Source: Dictionary of Mining, Mineral, and Related Terms