File:Myrmekit Wanup.jpg

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Myrmekit_Wanup.jpg(421 × 337 pixels, file size: 56 KB, MIME type: image/jpeg)

Summary[edit]

Description
English: Myrmekite with coarse quartz vermicules (white and cream), enclosed in microcline (grid pattern, light gray). Plagioclase of myrmekite is speckled brown (sericite alteration). Microcline penetrates the plagioclase along fractures and encloses some of the coarse quartz vermicules. Similar-sized or smaller islands of quartz occur in the microcline (top) as ghost myrmekite. Wanup Pluton near Sudbury, Ontario, Canada. Courtesy Dr. L. G. Collins.
Date
Source Own work
Author Rudolf Pohl

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current18:09, 19 September 2009Thumbnail for version as of 18:09, 19 September 2009421 × 337 (56 KB)Rudolf Pohl (talk | contribs){{Information |Description={{en|1=Myrmekite with coarse quartz vermicules (white and cream), enclosed in microcline (grid pattern, light gray). Plagioclase of myrmekite is speckled brown (sericite alteration). Microcline penetrates the plagioclase along f
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