Igneous Rocks

Petrography

This site contains photomicrographs and descriptions of many igneous rocks and the minerals common in them. Maintained by Humboldt State University.

 

Volcano World

General knowledge about volcanoes, research and information about specific volcanoes, and links to other volcano sites. Maintained by the University of North Dakota.

 

NASA EOS IDS Volcanology Team

This website describes efforts to study volcanoes from Earth by using satellites in space. Maintained by NASA Earth Observing System (EOS) Interdisciplinary Science (IDS) Investigation Volcanology Team.

 

Volcanoes: A Planetary Perspective

A series of photographs about volcanoes and volcanic eruptions. Maintained by Peter Francis.

 

Volcanic Homepage

This page has a summary of volcanic activity at each of about 15 active volcanoes in Japan. Many animations, photos, and other links are listed as well. Maintained by Jonathan Dehn and the Geological Survey of Japan.

 

Volcano Information Center

List of many links to volcanic topics. Maintained by R. V. Fisher and the University of California Santa Barbara.

 

Volcano Hotspot Images

List of many links to volcanic topics. Maintained by Michael Garrison.

 

Hawaiian Volcano Observatory

Recent summaries of volcanic activity at all of the active Hawaiian volcanoes are given on this web site. Maintained by the U.S. Geological Survey.

 

Hawaii Center for Volcanology

This site highlights the ongoing eruption at Pu’u ‘O‘o, a vent on the flanks of Kilauea. Maintained by the University of Hawaii.

 

Virtually Hawaii

Several virtual fieldtrips to five of the Hawaiian Islands emphasize their geologic development and volcanic activity. Maintained by the Hawaii Space Grant Consortium.

 

Rob’s Granite Page

The most useful part of this site are the many photographs of outcrops, polished slabs, and thin sections of various granites. Maintained by R. Reed and the University of Texas.

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