Hypertext Webster Gateway: "Muschelkalk"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Muschelkalk \Musch"el*kalk`\, n. [G., from muschel shell + kalk
limestone.] (Geol.)
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}.
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