muschelkalk
Musch"el*kalk`, n. Etym: [G., from muschel shell + kalk limestone.] (Geol.) Defn: A kind of shell limestone, whose strata form the middle one of the three divisions of the Triassic formation in Germany. See Chart, under Geology.
Musch"el*kalk`, n. Etym: [G., from muschel shell + kalk limestone.] (Geol.) Defn: A kind of shell limestone, whose strata form the middle one of the three divisions of the Triassic formation in Germany. See Chart, under Geology.