ランプロファイア
1. LamprophyreLamprophyres (Greek λαµπρός = "bright" and φύρω = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. They are alkaline silica-undersaturated, ultramafic rocks with high magnesium oxide, >3% potassium oxide, high sodium oxide and high nickel and chromium. Lamprophyres occur throughout all geologic eras. Archaean examples are commonly associated with lode gold deposits.
Read “Lamprophyre” on English Wikipedia
Read “ランプロファイア” on Japanese Wikipedia
Read “Lamprophyre” on DBpedia
Read “Lamprophyre” on English Wikipedia
Read “ランプロファイア” on Japanese Wikipedia
Read “Lamprophyre” on DBpedia
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