Hiân-bú-giâm

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玄武岩

玄武岩 (Hiân-bú-giâm) (basalt) ()1 (chióng)火山巖 (hoé-soaⁿ-giâm) (volcanic rock),大份 (toā-hūn) () (ia̍h)爪鼠仔色 (niáu-chhí-á-sek)火鍋 (Hoé-ko) ()地表 (tē-piáu) (chin) (kín)冷落來 (léng--lo̍h-lâi) () (ē)造成 (chō-chiâⁿ)玄武岩。玄武岩 (ū) (SiO)2 45~52%。結晶 (Kiat-chiⁿ) (khah) (toā) (lia̍p) (ê)玄武岩 (sǹg)1種斑岩 (pan-giâm) (porphyritic) 的結構 (kiat-kò͘)嫌武岩 (Hiâm-bú-giâm)本身 (pún-sin)烏的 (o͘--ê) (i)礦物 (khòng-bu̍t)成份 (sêng-hūn)大體 (tāi-thé)斜塘石 (chhiâ-tn̂g-chio̍h) (plagioclase) (ham)輝石 (hui-chio̍h) (pyroxene), () (chió)少的橄欖石 (kan-ná-chio̍h) (olivine); 遮的 (chiah-ê)礦物 (hō͘)嫌武岩有 () (kâng)特色 (te̍k-sek)