USGS CMG InfoBank: Snowball Garnets

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Comment: 25:07 - 25:25 (00:18)
Source: Annenberg/CPB Resources - Earth Revealed - 18. Metamorphic Rocks
Keywords: "snowball garnet", geologist, crystalline, collision, orogeny, "geologic time", "plate tectonics"

Our transcription: Like a tiny black box flight recorder in an airplane or a trip odometer in a car, a snowball garnet provides geologists with a crystalline log of plate collision and mountain building spanning millions of years.

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