tephrite
n. பொதுநிலை எரிமலைப்பாறை.
Teph"rite, n. Etym: [Gr. (Geol.) Defn: An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.
n. பொதுநிலை எரிமலைப்பாறை.
Teph"rite, n. Etym: [Gr. (Geol.) Defn: An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.