Comments on: Friday Rock Blogging: Zoned Feldspar http://greengabbro.net/2007/10/19/friday-rock-blogging-zoned-feldspar/ rock out to the apparatus Sat, 11 Oct 2008 12:52:50 +0000 http://wordpress.org/?v=2.3.1 By: darksociety http://greengabbro.net/2007/10/19/friday-rock-blogging-zoned-feldspar/#comment-21380 darksociety Fri, 19 Oct 2007 17:58:10 +0000 http://greengabbro.net/2007/10/19/friday-rock-blogging-zoned-feldspar/#comment-21380 Cool! We're doing a lot of zoned plagioclase in my optics course, trying to figure out the An-Al% across the zonation. Of course, these are tiny, tiny grains compared to yours which dwarves a penny! Amazing stuff! Cool!

We’re doing a lot of zoned plagioclase in my optics course, trying to figure out the An-Al% across the zonation. Of course, these are tiny, tiny grains compared to yours which dwarves a penny!

Amazing stuff!

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