Earth Science: Geology, the Environment, and the Universe

Chapter 5: Igneous Rocks

Web Links


Intrusive Rocks
If you ever were wondering exactly what some of the types of intrusive rocks look like, here's a site that gives some visual examples. How does gabbro differ from breccia?
( http://www.geosurv.gov.nf.ca/education/features/intrusiv.html )
Touring Colorado Geology - Igneous Rocks
This is a private site a rockhound put up to compare intrusive and extrusive igneous rocks side-by-side. How do these two types of rocks differ from each other in outward appearance?
( http://www.geocities.com/jghist/Glossary/igneous.htm )
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