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Basalt Xenolith Imbedded in Granodiorite - Lost Palms Oasis

Joshua Tree National Park

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ADDED: Jul 13, 2005 15:25VIEWS: 4,282
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Basalt Xenolith Imbedded in Granodiorite - Lost Palms Oasis
A basalt xenolith imbedded in granodiorite in the Lost Palms Oasis area. The basalt xenolith is probably a piece of the roof rock that the igneous pluton migrated upward into as it formed in Mesozoic time. Basalt xenoliths are common in granitic intrusions throughout the park.


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