Topic: Pegmatite Rock
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What is a pegmatitic rock?
Pegmatitic rock is type of igneous rock with very large crystals and are last rocks to crystallize from s... Read More »
Source: http://www.chacha.com/question/what-is-a-pegmatitic-rock
What are the physical properties of pegmatite rock?
Pegmatite is a light-colored, extremely coarse-grained intrusive igneous rock. It forms near the margins of a magma chamber during the final phases of magma chamber crystallization. It often contains rare minerals that are not found in othe... Read More »
Source: http://wiki.answers.com/Q/What_are_the_physical_properties_of_peg...
How does pegmatite rocks form?
They form when molten igneous masses are cooling. The partially solidified rock is unstable and can sometimes crack. A pegmatite forms when the remaining molten material within the rock is squeezed into that crack. In favorable conditions, ... Read More »
Source: http://wiki.answers.com/Q/How_does_pegmatite_rocks_form
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Pegmatite Rock
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Answers to Other Common Questions
Pegmatites are a result of magmatism and metamorphism associated with plutonic intrusions.
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Source: http://wiki.answers.com/Q/What_earth_processes_created_pegmatite_...
Let me spell it really slow so maybe you will get it... G .--. O .--. O .--. G .--. L .--. E... Try it - You'll like it...
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Source: http://answers.yahoo.com/question/index?qid=20120322164158AA3jhvn
Aplite. Source(s): http://pegmatology.uno.edu/pub/aplite/ap… http://www.quartzpage.de/gen_occ.html Google search on "fine grained rock in pegmatites southern California"
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Source: http://answers.yahoo.com/question/index?qid=20101031201653AAlj1nK
Pegmatites are igneous bodies, essentially large-grained granites. Most do not have unusual minerals, just quartz, feldspar, and mica. The glacially-deposited ones you refer to must be pieces of float brought in by glaciers and it would be ...
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Source: http://answers.yahoo.com/question/index?qid=20110622162913AATKjlc
