Remember also to check the links on the textbook homepage (click on the chapter numbers in the online syllabus)

Igneous rocks

Igneous properties and igneous rocks: additional links

Introduction to igneous rocks (from University of British Columbia)
Igneous rock texture

Lecture notes on igneous rocks (from Georgia Perimeter College)

Self-guided module on igneous rocks
Intrusive igneous rocks
Granite description
Rob's Granite Page
        ENCHANTED ROCK

Pete's Basalt Page

Volcanoes and volcanic activity

Additional links on volcanoes and volcanism
Lecture notes on volcanoes: Pamela Gore, Georgia Perimeter College

Lecture notes on volcanism from Univ. of Florida (particularly good on the Pacific Northwest)
Home Page of Volcano World
Volcano-tectonic environments
Cascades Volcano Observatory Home Page
Fire and mud: eruptions and lahars at Mt. Pinatubo
Debris avalanches and volcanic landslides - from USGS
Smithsonian Institution Global Volcanism Program
  Volcanoes in different regions of the world
Volcano hazards (from USGS)
Slide set from "Volcanoes: a Planetary Perspective"

Hawaiian volcanoes

Eruptions of Kilauea (Hawaiian shield volcano, extremely active)
Kilauea - perhaps the world's most active volcano
Kilauea virtual field trips
Evolution of Kilauea over the last 10,000 years
Hawaii Center for Volcanology
Formation of the Hawaiian Islands
   Hawaiian Volcano Observatory
General information on Hawaiian volcanoes
Mauna Loa - the earth's largest volcano
Lo'ihi Seamount - Hawaii's youngest volcano
   Lo'ihi home page
How Hawaiian volcanoes work

Assorted other volcanoes

The 1991 Eruption of Mt.Pinatubo (biggest eruption in 80 years!)
U.S. Geological Survey accounts of the Mt. Pinatubo eruption
Images of Pinatubo from the Michigan Technological University web site
 
Mount St. Helens

A general slide set for the Mount St. Helens eruption
Volcanoes and volcanic rocks of the western U.S.
Flood basalts of the Columbia Plateau
Soufriere Hills, Montserrat, West Indies
Effect of pyroclastic flows and surges at Soufriere Hills Volcano
Recent eruptions in Iceland


Italy's Volcanoes, "the cradle of volcanology"(including the most recent eruption of Mt. Etna)
Long Valley Caldera and Mono-Inyo Craters Volcanic Field, California
Yellowstone Volcano Observatory - monitoring the largest volcanic system in North America
Path of the Yellowstone hot spot
Comparative sizes of eruptions
Areas covered by volcanic ash from Yellowstone eruptions
Cross-section of Yellowstone caldera
The Quaternary and Pliocene Yellowstone Plateau Volcanic Field (USGS Professional Paper 729-G)
Article on the Yellowstone eruptions
Valles Caldera
Geology of the Valles Caldera
Resurgent calderas and the Valles Caldera
Satellite images of volcanoes
Volcanoes and global climate change (NASA)

Volcanoes on Mars