propylite


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propylite

(ˈprɒpɪˌlaɪt)
n
(Geological Science) geology an altered andesite or similar rock containing calcite, chlorite, etc, produced by the action of hot water
[C20: from propylon (see propylaeum) + -ite1; so named because it is associated with the start of the Tertiary volcanic era]
References in periodicals archive ?
Due to the extent of the fistula and propylite, we decided to do a nephrectomy.
The different zones are strong propylite, argillic, sericitic and potassic (biotite) alteration hosted in a biotite, feldspar quartz porphyry.