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Muschelkalk
The
Muschelkalk
(,
French
:
calcaire coquillier
) is a sequence of
sedimentary
rock strata
(a
lithostratigraphic unit
) in the
geology
of central and western Europe. It has a
Middle Triassic
(240 to 230 million years) age and forms the middle part of the tripartite
Germanic Trias
, that give the
Triassic
its name, lying above the older
Buntsandstein
and below the younger
Keuper
. The Muschelkalk ("
mussel
chalk") consists of a sequence of
limestone
and
dolostone
beds.
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