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There are two basic types of metamorphic rocks: 1) foliated metamorphic rocks such as gneiss, phyllite, schist and slate which have a layered or banded appearance that is produced by exposure to heat and directed pressure; ... More Rock Collections: Sedimentary Rocks -- Igneous Rocks...
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geology.com/rocks/metamorphic-rocks.shtml
geology.com/rocks/metamorphic-rocks.shtml
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A photo gallery of intrusive and extrusive rocks by Geology.com ... Igneous rocks are formed from the solidification of molten rock material. There are two basic types: 1) intrusive igneous rocks such as diorite, gabbro, granite and pegmatite that solidify below Earth's surface;
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geology.com/rocks/igneous-rocks.shtml
geology.com/rocks/igneous-rocks.shtml
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Discovering the two different types of igneous rocks. ... There are two types of igneous rocks, based on rates of cooling. Volcanic rocks cool quickly, and form on the Earth’s surface around volcanoes. These are sometimes referred to as "lava rocks." Lava refers to the molten rock, or magma, which cools to make...
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www.msnucleus.org/membership/html/k-6/rc/rocks/k/rcrk_2...
www.msnucleus.org/membership/html/k-6/rc/rocks/k/rcrk_2a.html
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Rock Cycle - Rocks (KA); Lab ... [Dictionary] ; [Back to Rock Cycle Grid] [Back to Rocks (K)]
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www.msnucleus.org/membership/html/k-6/rc/rocks/k/rcrk_2...
www.msnucleus.org/membership/html/k-6/rc/rocks/k/rcrk_2d.html
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Describe how the rate of cooling influences the size of crystals in igneous rocks. ... Discuss the contributions of N. L. Bowen to the understanding of igneous rocks. Be able to list the minerals of Bowen's Reaction series in order. ... Discuss the various types of magma and how they relate to igneous rocks.
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facstaff.gpc.edu/~pgore/geology/geo101/igneous.htm
facstaff.gpc.edu/~pgore/geology/geo101/igneous.htm
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Igneous, Metamorphic, and Sedimentary Rocks. Descriptions of Rock Types with pictures. ... The major Rock Types and how they form ... Igneous rocks solidify from a liquid magma as it cools. They are described on two axies: 1) Rocks that are quartz rich (felsic) to magnesium rich (mafic) and 2) fast cooling (small crystals) to...
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www.athro.com/earth_science/rocks.html
www.athro.com/earth_science/rocks.html
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Photos of the types of erupted igneous rocks. ... Technically that makes them sedimentary rocks, but these volcaniclastic rocks have many differences from other sedimentary rocks—in their chemistry and the role of heat, especially—and geologists tend to lump them with the igneous rocks. ... Learn more about igneous rocks...
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geology.about.com/od/more_igrocks/ig/extrusives/
geology.about.com/od/more_igrocks/ig/extrusives/
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Three basic types of rocks are: igneous, sedimentary, metamorphic. Also on this site find everything about physical and optical properties of stones and minerals. A database of rocks and minerals, places to visit and places to shop ... Igneous - Igneous rocks get their name from the Latin word ignis, ... Types of Rock...
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www.rockcollector.co.uk/rocktype.htm
www.rockcollector.co.uk/rocktype.htm
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