Myrmekite is a vermicular, or wormy, intergrowth of quartz in plagioclase. The intergrowths are microscopic in scale, typically with maximum dimensions less ...

Myrmekite are often associated with strain features in deformed granitic rocks; Simpson & Wintsch (1989) show that they may form only on side of K-Feldspar ...

Myrmekite, irregular, wormy penetration by quartz in plagioclase feldspar; these wartlike, wormlike, or fingerlike bodies may develop during the late stages ...

Myrmekite, first detected by Michel-Lévy in 1875 and named by Sederholm in 1899, is an intergrowth between vermicular quartz and (sodic) plagioclase ...

Aug 7, 2021 · Myrmekite should be recognized as being a clue to vast metasomatic changes in some mafic plutonic rocks and in metamorphic and sedimentary rocks.

Jul 24, 2023 · An intergrowth of plagioclase feldspar (commonly oligoclase) and vermicular quartz, generally replacing potassium feldspar; formed during ...

Sep 23, 2002 · Myrmekite, an intergrowth of plagioclase and quartz vermicules, often occurs in felsic-to-intermediate, calc-alkalic plutonic and gneissic ...

Myrmekite. Myrmekitic texture defined by wormy (rounded) intergrowths o quartz and K-feldspar in plagioclase which is adjacent to K-feldspar. Probably forms ...

Mar 2, 2017 · Myrmekite is an intergrowth of vermicular quartz in plagioclase, which forms a few volume percent of many igneous and metamorphic rocks. The ...