epidiorite


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epidiorite

(ˌɛpɪˈdaɪəˌraɪt)
n
(Minerals) archaic metamorphosed diorite, with a fibrous amphibole component
References in periodicals archive ?
This group contains rocks which have been previously described as being younger or newer metasediments: the Effon Psammite formation and the associated epidiorite schist and amphibolite complex.