| marlstone | มาร์ลสโตน, หินมาร์ล [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
| Marlstone | n. (Geol.) A sandy calcareous straum, containing, or impregnated with, iron, and lying between the upper and lower Lias of England. [ 1913 Webster ] |
| marlite | (n) metamorphic rock with approximately the same composition as marl, Syn. marlstone |