kelyphitic rim

kelyphitic rim

(ˌkɛlɪˈfɪtɪk)
n
(Geological Science) geology a mineral shell enclosing another mineral in an igneous rock, formed by reaction of the interned mineral with the surrounding rock
[C19: from Greek keluphos pod + -itic; see -ite1]
References in periodicals archive ?
Olivine phenocrysts (2%) appear opacitized and show kelyphitic rims composed of orthopyroxene (Figs.
5C and 5D) and unlike the orthopyroxene present in the blocks, they do not form kelyphitic rims.