• Question: what kind of rocks have gas bubbles

    Asked by marinesummer to Dalya, Derek, Sarah, Tim, Tom on 20 Jun 2011.
    • Photo: Tim Millar

      Tim Millar answered on 17 Jun 2011:

      Igneous rocks, from the gasses associated with volcanic eruptions

    • Photo: Derek McKay-Bukowski

      Derek McKay-Bukowski answered on 17 Jun 2011:

      A great example is pumice!

    • Photo: Tom Crick

      Tom Crick answered on 18 Jun 2011:

      Igneous rocks.

      Question for you: what are the other main rock types (and why are they different)?

    • Photo: Sarah Thomas

      Sarah Thomas answered on 20 Jun 2011:

      igneous rocks, which are the ones formed by the cooling of lava and magma.

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