• rock cycle

    1. sedimentary rocks

      1. clastic

        1. shale

        2. sandstone

      2. chemical

        1. bituminous coal

        2. chalk

        3. limestone

    2. igneous rocks

      1. extrusive

        1. pumice

        2. rhyolite

        3. obsidian

        4. basalt

      2. intrusive

        1. granite

    3. metamorphic rocks

      1. foliated

        1. regional metamorphism

          1. gneiss

          2. schist

        2. Floating Topic

      2. nofoliated

        1. contact metamorphism

          1. slate

          2. Floating Topic

          3. marble

          4. anthracite coal

    1. Floating Topic

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    rock cycle

    Added: 2010-02-14 04:26:09

    From: twillsheep (Joined 2010-02-14 00:15:11)

    32 views |0 downloads

    rock cycle

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