Rhaetic


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Rhaetic

(ˈriːtɪk) or

Rhetic

adj
(Geological Science) of or relating to a series of rocks formed in the late Triassic period
n
(Geological Science) the Rhaetic the Rhaetic series
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References in periodicals archive ?
equivalent to the Rhaetic and Mercia Mudstone formations, and was
Rhaetic has now been shown definitively to be a close relative of Etruscan.