Myrmekite

Wartlike myrmekite in megacrystal quartz monzonite from Twentynine Palms, California

Ghost myrmekite in Mount Rubidoux leucogranite

Myrmekite describes a vermicular, or wormy, intergrowth of quartz in plagioclase. The intergrowths are microscopic in scale, typically with maximum dimensions less than 1 millimeter. The plagioclase is sodium-rich, usually albite or oligoclase. These quartz-plagioclase intergrowths are associated with and commonly in contact with potassium feldspar. Myrmekite is formed under metasomatic conditions, usually in conjunction with tectonic deformations. It has to be clearly separated from micrographic and granophyric intergrowths, which are magmatic.

单词	myrmekite
释义	myrmekite /'mə:mi,kait/ 英汉-汉英词典蠕状石词组 \| 习惯用语您要查找的是不是： merrymaker n. 寻欢作乐的人,嬉戏者 myrmekite n. [岩] 蠕状石网络短语: myrmekite e 蠕状石英语百科 Myrmekite Myrmekite describes a vermicular, or wormy, intergrowth of quartz in plagioclase. The intergrowths are microscopic in scale, typically with maximum dimensions less than 1 millimeter. The plagioclase is sodium-rich, usually albite or oligoclase. These quartz-plagioclase intergrowths are associated with and commonly in contact with potassium feldspar. Myrmekite is formed under metasomatic conditions, usually in conjunction with tectonic deformations. It has to be clearly separated from micrographic and granophyric intergrowths, which are magmatic.
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myrmekite /'mə:mi,kait/

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Myrmekite