Riolit: Perbedaan revisi

1 bita ditambahkan ,  10 bulan yang lalu
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8
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(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8)
 
== Pranala luar ==
* [httphttps://web.archive.org/web/20080616083226/http://volcano.und.edu/vwdocs/vwlessons/lessons/Slideshow/Igrocks/Igrock9.html University of North Dakota description of rhyolite]
* [http://www.rocks-rock.com/rhyolite.html Information from rocks-rock.com]
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