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Igneous rock - Wikipedia, the free encyclopedia
Igneous rock (from the Latin ignis meaning born of fire) is one of the three ... Over 700 types of igneous rocks have been described, most of them formed beneath ...

http://en.wikipedia.org/wiki/Igneous_rock

Igneous rock: Definition from Answers.com
igneous rock Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material ( magma )

http://www.answers.com/topic/igneous-rock

Igneous Rock Identification: Nature's Fiery Cauldron
One of the three principal classes of rocks, they are crystalline or glassy rocks formed by the cooling and solidification of molten magma.

http://geology.csupomona.edu/alert/igneous/ignrxs.htm

About Igneous Rocks
The three great rock classes--igneous, sedimentary and metamorphic--are introduced with igneous rocks. ... Igneous rocks are classified by the minerals they contain. ...

http://geology.about.com/cs/basics_roxmin/a/aa011804a.htm

Introduction to Igneous Rocks
An introduction to igneous rocks requires exploration of three core ideas. ... Granite and basalt are the two most abundant igneous rocks at the earth's surface. ...

http://csmres.jmu.edu/geollab/Fichter/IgnRx/Introigrx.html

Igneous Rocks | Pictures of Intrusive and Extrusive Rock Types
A photo gallery of intrusive and extrusive rocks by Geology.com ... Pegmatite is a light-colored, extremely coarse-grained intrusive igneous rock. ...

http://geology.com/rocks/igneous-rocks.shtml

Igneous Rocks
All igneous rocks do not cool the same way. ... characteristics of igneous rocks. ... Here's a checklist of some common igneous rocks and their characteristics. ...

http://library.thinkquest.org/J002289/igneous.html

Igneous Rocks
These two types of igneous rocks are called extrusive (because it extruded or ... Classifying igneous rocks into these two main types is easy and logical for ...

http://www.galleries.com/rocks/igneous.htm

Igneous Rocks
Discusses Bowen's Reaction Series, igneous rock forming minerals, and strategies for igneous rock classification.

http://csmres.jmu.edu/geollab/Fichter/IgnRx/IgHome.html

CVO Website - Igneous Rocks
Igneous rocks are divided into two groups, intrusive or extrusive, depending ... Intrusive igneous rocks (like granite or gabbro) typically display visible ...

http://vulcan.wr.usgs.gov/LivingWith/VolcanicPast/Notes/igneous_rocks.html

Igneous rock - New World Encyclopedia
Igneous rocks make up approximately 95 percent of the upper part of the Earth's ... More than 700 types of igneous rocks have been described, most of which were ...

http://www.newworldencyclopedia.org/entry/Igneous

7a. Igneous Rocks: Forged by Fire [Beyond Books - Earth ...
Igneous rocks get their name from the Latin word ignis, meaning "fire. ... Felsic igneous rocks are light colored. Conversely, igneous rocks rich in iron and ...

http://www.beyondbooks.com/ear82/7a.asp

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