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propylite
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]
propylite
propylite[′prō·pə‚līt] (petrology) A modified andesite, altered by hydrothermal processes, resembling a greenstone and consisting of calcite, epidote, serpentine, quartz, pyrite, and iron ore. |