The blast in the past

Gerald R. Dickens ()
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Gerald R. Dickens: the School of Earth Sciences, James Cook University

Nature, 1999, vol. 401, issue 6755, 752-755

Abstract: The rapidity and amount of carbon being released through human agency have been thought to be unprecedented. Not so, it emerges. From the evidence of anomalies in the ratios of carbon isotopes in an ocean core, it seems that, around 55 million years ago, there was an equivalently swift and massive blast of carbon into the ocean and atmosphere. The source was probably methane hydrates that are usually locked up in huge deposits on continental shelves.

Date: 1999
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DOI: 10.1038/44486

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