USGS CMG InfoBank: Zeolite Facies

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Comment: 17:34 - 17:55 (00:21)
Source: Annenberg/CPB Resources - Earth Revealed - 18. Metamorphic Rocks
Keywords: "James Sadd", metamorphism, basalt, zeolite, "zeolite facies", "metamorphic facies", "amphibolite facies", "metamorphic grade"

Our transcription: This is a metamorphosed basalt that contains zeolite, another mineral group, and it plots here in the zeolite facies.
The zeolite facies corresponds to less intense metamorphic conditions than does the amphibolite facies, so rocks containing zeolites are said to be of lower metamorphic grade.

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Page Last Modified: Tue Feb 5 05:15:42 PST 2013 (chd)