Coastal & Marine Geology InfoBank

USGS CMG InfoBank: Toxic Atmosphere


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Comment: 16:20 - 16:45 (00:25)

Source: Annenberg/CPB Resources - Earth Revealed - 2. The Restless Planet

Keywords: "J. Lawford Anderson", atmosphere, "volcanic gas"

Our transcription: Our early atmosphere was something you and I would not want to breathe.

Well, we wouldn't, even today, want to go breathe the air that comes or the gases that come out of volcanoes.

It's rich is sulfur, carbon monoxide, carbon dioxide, and many of the same things that are emitted from exhaust pipes of cars are coming out of volcanoes.

They did then; they do today. It's a very acidic and very toxic gas, so our early atmosphere was pretty hazardous.

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Accessibility FOIA Privacy Policies and Notices
U.S. Department of the Interior \| U.S. Geological Survey URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/moviepage/02.01.26.html Page Contact: InfoBank staff Page Last Modified: Wed Aug 27 06:13:37 PDT 2008 (wcs)