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Deep-Sea Basalt Rocks May Offer Vast Repository for CO2

Posted on July 19, 2008

Deep-sea basalt region for CO2 burial. Red outline shows where water depth exceeds 2,700 meters and sediment thickness exceeds 200 meters; hatched areas show where sediment thickness exceeds 300 meters. Seamounts and areas near plate boundaries or continental shelf are excluded. Click to enlarge. Credit: Goldberg et al.Deep-sea basalt rocks off the West Coast and elsewhere might be used to securely sequester large amounts of anthropogenic CO2, according to researchers at the Lamont Doherty Earth Observatory of Columbia University. In particular, they concluded, an area of 78,000 km2 (30,000 ...

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carbon dioxide