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USGS CMG InfoBank: Sublimation

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Comment: 23:53 - 24:25 (00:32)
Source: Annenberg/CPB Resources - Earth Revealed - 12. Minerals: The Materials of Earth
Keywords: mineral, precipitation, gas, sublimation, "sulfur dioxide", eruption, volcanism, crystal, sulfur, "volcanic vent", "Thomas Hartnett"

Our transcription: Other minerals precipitate directly from gases through a process known as "sublimation".
The sublimation process usually happens when you have a very hot volcanic gas like a sulfur dioxide, which can come out literally by tons per minute in a large volcanic eruption.
When these gases start to cool, they'll go directly from the gaseous vapor state to individual crystals of sulfur and build a yellow mass around the volcanic vents.

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