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File:Mineralogy igneous rocks EN.svg

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Summary

Description Mineralogical composition of igneous rocks with decreasing silica (SiO2) content. The rock names for volcanic/extrusive and plutonic/intrusive rocks are written above. Notice that this is a rough way to determine a rock name: the exact difference between the given igneous rocks does not only depend on silica content.
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Author Woudloper

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Date/TimeThumbnailDimensionsUserComment
current18:27, 23 March 2009Thumbnail for version as of 18:27, 23 March 2009744 × 540 (41 KB)Woudloperremoved leftover German words
14:38, 23 March 2009Thumbnail for version as of 14:38, 23 March 2009744 × 540 (41 KB)Woudloper{{Information |Description=Mineralogical composition of igneous rocks with decreasing silica (SiO<sub>2</sub>) content. The rock names for volcanic/extrusive and plutonic/intrusive rocks are written above. Notice that this is a rough way to determine a ro

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