Type:

Other

Description:

This Flash animation contains three separate movies, each exhibiting the formation of an igneous rocks in a different environment: a) rocks forming from a deep magma chamber where the slow cooling of magma results in large interlocking crystals; b) rocks forming from a pyroclastic flow with a combination of large and small crystals; and c) rocks with small crystals created from a fast cooling lava. The rock is further modified by bubbles from dissolved gases resulting in vesicles. Each movie concludes with a view of a hand specimen representative of each environment. The animation can be paused and rewound to stress important points.

Subjects:

    Education Levels:

      Keywords:

      NSDL_SetSpec_380601,rock formation,rock cycle,oai:nsdl.org:2200/20110321233438671T,Igneous Processes,Volcanology,Igneous Rocks,igneous rocks,Geoscience,NSDL

      Language:

      English

      Access Privileges:

      Public - Available to anyone

      License Deed:

      Creative Commons Attribution Non-Commercial Share Alike

      Collections:

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      Non-profit Tax ID # 203478467