orthophyre

orthophyre

(ˈɔːθəʊˌfaɪə)
n
(Geological Science) feldspar rock
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References in periodicals archive ?
(1994) reported rhyolites to quartz trachyte, which are later named as orthophyres in Nagar Parkar and Dhed Vero areas (Muslim and Akhtar, 1995).