EARTH SCIENCE LAB
Igneous Sample #1:


Identify the Texture, Composition and Rock Type

Image of Igneous Sample #1
Click here for a close up image
COMPOSITION
TEXTURE
Felsic Intermediate Mafic Ultramafic
Pegmatitic Granite Pegmatite Diorite Pegmatite Gabbro Pegmatite  
Phaneritic Granite Diorite Gabbro Dunite
Aphanitic Rhyolite Andesite Basalt  
Porphyritic Rhyolite Andesite Basalt  
Glassy Obsidian Basaltic Glass  
Vesicular Pumice Scoria  
Pyroclastic Volcanic Tuff  

                

Select a Sample to Identify:

1 2 3 4 5 6 7 8 9 10 11 12

Return to Introduction