Igneous rocks: left to right: gabbro, andesite, pegmatite, basalt, pumice, porphyry, obsidian, granite, and tuff. | Igneous rock, Rock types, Sedimentary rocks
http://rocksmineralscollections.com/igneous.php | Igneous rock, Igneous, Metamorphic rocks
Igneous textures - Wikipedia
2 Igneous Rocks – Open Petrology
Igneous Rocks - Geology (U.S. National Park Service)
Igneous Rocks
igneous rock - Students | Britannica Kids | Homework Help
Igneous Rocks: How Are They Formed? - Universe Today
Igneous rocks -- an essential read for geology aficcionados
What are igneous, sedimentary and metamorphic rocks? | TheSchoolRun
Virtual Collection: Extrusive Igneous Rocks — Earth@Home
Basalt 1 | Igneous rocks form by the cooling & crystallizati… | Flickr
igneous rock - Students | Britannica Kids | Homework Help
Igneous Rocks – Definition, Types, Examples, & Pictures
B8R07916 - Igneous Rock Set | Philip Harris
:max_bytes(150000):strip_icc()/about-igneous-rocks-1438950_final_CORRECTED2FINAL-f8d738e151b9437caa256d21155d091f.png "Igneous Rocks: Everything You Need to Know")
Igneous Rocks: Everything You Need to Know
Types of Igneous and Metamorphic Rocks • Investigating Rocks and Fossils • MyLearning
Geology Fundamentals: Identifying Igneous Rocks in the Field | Geology for Investors
Types of Rocks - Igneous, Sedimentary, Metamorphic
Igneous rock types - The Australian Museum
Igneous Rocks - Geology (U.S. National Park Service)
Types of Rocks - Stone Panel Information
Igneous Rocks | Pictures of Intrusive and Extrusive Rock Types
.jpg "What is Igneous Rock?")