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Metamorphic Rock - Gneiss

Credit: Edward P. Klimasauskas, USGS
article: How to Identify Rocks 		Other images from this article
Igneous Intrusive Rock - Granite Igneous Extrusive Rock - Basalt with Vesicles Sedimentary Rock - Sandstone Sedimentary Rock - Conglomerate Metamorphic Rock - Gneiss
Metamorphic Rock - Gneiss, Edward P. Klimasauskas, USGS