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Thread: More CROSSWORD HELP!!!!!!!

  1. #1 More CROSSWORD HELP!!!!!!! 
    Forum Freshman
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    Hi to all, here I am again. I completed all but three of this crossword puzzle.

    #1. Generalized class of the ultramafic igneous rocks typical of the earth's mantle.(10 letters. P_R_ _ _T_ _E

    #2. The abundance of this mineral in lava usually produces violent, explosive volcanic eruptions.(6Letters) last one is an "A"

    #3. Lense-shaped igneous intrusion that commonly penetrates between bedding planes of older rock. (9Letters). _ _C_O_ _ _H

    Thanks to all,
    Kiyt13


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  3. #2 Some awnsers 
    Time Lord Paleoichneum's Avatar
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    (1)Peridotite

    (2)Silica (Note this is an element and not a mineral! :? )

    (3)Laccotith


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  4. #3 Re: Some awnsers 
    Forum Isotope Bunbury's Avatar
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    Quote Originally Posted by Paleoichneum
    (2)Silica (Note this is an element and not a mineral! :? )
    Nope. The element is silicon. Silica is SiO2.
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  5. #4  
    Time Lord Paleoichneum's Avatar
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    doh! This shows what happens when I post late,
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