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USGS CMG InfoBank: Minerals Are Like Fossils

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Comment: 03:23 - 03:48 (00:25)
Source: Annenberg/CPB Resources - Earth Revealed - 12. Minerals: The Materials of Earth
Keywords: mineral, fossil, composition, "geologic age", "J. Lawford Anderson"

Our transcription: A mineral is like a little fossil.
It's a story of a past time.
Fossils to us tell us about past living conditions and where that fossil grew and lived at a very different age, and minerals do the same thing.
Like fossils, minerals in a given rock are millions, if not billions of years old.
But they trap within themselves, within their own internal compositions, their own history.

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