Image: Mineralogy igneous rocks EN
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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.
Title: Mineralogy igneous rocks EN
Credit: Own work
Author: Woudloper
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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