Lamprophyre

Microscope view (long dimension 2 mm) of a thin section of minette from the Colorado Plateau. Magnesium-rich biotite (P, phlogopite) and clinopyroxene (C) phenocrysts in a groundmass of alkali feldspar, pyroxene, and iron-titanium oxides.

Lamprophyres (Greek λαµπρός (lamprós) = "bright" and φύρω (phýro) = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. They are alkaline silica-undersaturated mafic or ultramafic rocks with high magnesium oxide, >3% potassium oxide, high sodium oxide and high nickel and chromium.

单词	camptonite
释义	camptonite /'kæmptəʊnaɪt/ 英汉-汉英词典 n. 闪煌岩词组 \| 习惯用语您要查找的是不是： temptation n. 诱惑, 引诱诱惑物 competent adj. 有能力的；足够的；胜任的 campsite n. 营地 competence n. 能力, 技能 (法院的)权限, 管辖权 camptonite n. [岩] 闪煌岩网络短语: biotite camptonite 黑云康煌岩 camptonite e 斜闪煌岩英语百科 Lamprophyre Lamprophyres (Greek λαµπρός (lamprós) = "bright" and φύρω (phýro) = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. They are alkaline silica-undersaturated mafic or ultramafic rocks with high magnesium oxide, >3% potassium oxide, high sodium oxide and high nickel and chromium.
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camptonite /'kæmptəʊnaɪt/

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网络短语:

Lamprophyre