rock fault
noun
A fault in a rock formation; (Mining ) a body of sandstone or other rock interrupting a coal seam.
Origin
Mid 19th century.
- reed mark
- reed-marked
- reed meadow grass
- reedmergnerite
- reed moth
- reed organ
- reed pheasant
- reed pipe
- reed piper
- reed-plane
- reed player
- reed-register
- reed relay
- reed sheaf
- Reed, Sir Carol
- reedsman
- reed-sparrow
- reed spear
- reed-split
- Reed, Stanley Forman
- reed stop
- reed swamp
- reed sweetgrass
- reed switch
- re-educate