DCHP-1 Online
oyster mud Maritimes 
dense mudlike deposits of the remains of generations of bivalves and crustaceans, rich in lime and valuable as fertilizer.
See also: mussel mud
- 1904 The Island possesses one advantage which is unique and very valuable. I refer now to its thick beds of 'mussel mud' or 'oyster mud' which are found in all bays and river mouths.
- 1904 The Island possesses one advantage which is unique and very valuable. I refer now to its thick beds of 'mussel mud' or 'oyster mud' which are found in all bays and river mouths.