Below is an alphabetical list of igneous rocks. If you know the name of a rock and want to learn more about it, clicking on the name will take you to a picture and a description. Names that are not linked are ones for which pictures/descriptions are not yet available.
Igneous Rocks Andesite porphyry Andesite Anorthosite Basalt Basalt porphyry Basalt, vesicular Diorite Dunite Felsite Gabbro Granite, Alkali- Granite, Plagio- Granodiorite Monzonite Monzonite, quartz Obsidian Peridotite Pumice Pyroxenite Rhyolite Rhyolite porphyry Scoria Syenite Vocanic breccia Volcanic tuff | Rock Forming Minerals Amphibole Biotite Muscovite Olivine Orthoclase Plagioclase, sodium Plagioclase, calcium Pyroxene Quartz |
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