M3A1R1L1S1T1O1N1E1
11 points
MARLSTONE is validvalid
mudstone that is rich in lime [n MARLSTONES]
a sandy calcareous stratum, containing, or impregnated with, iron, and lying between the upper and lower Lias of England [n -S]
mudstone that is rich in lime [n MARLSTONES]
a sandy calcareous stratum, containing, or impregnated with, iron, and lying between the upper and lower Lias of England [n -S]