News tagged with marine sediment

Ice ages only thanks to feedback

Ice ages and warm periods have alternated fairly regularly in the Earth's history: the Earth's climate cools roughly every 100,000 years, with vast areas of North America, Europe and Asia being buried under thick ice sheets. ...

dateAug 07, 2013 in Earth Sciences
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Diatoms explain release of CO2

( —Scientists have found unexpectedly high concentrations of opal, a mineral containing silicate, in marine sediments during the transition periods from ice ages to warm phases. The explanation as to what caused ...

dateApr 10, 2013 in Earth Sciences
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