Geosphere and biosphere dynamics during late Ordovician climate change
The late Ordovician was a period of major climatic and biological change, much of which is poorly understood. Global cooling began in the Caradoc (early Katian) with the build-up of ice in southern polar regions of the palaeocontinent of Gondwana. Cooling continued into the Ashgill (late Katian) but...
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Format: | Thesis |
Language: | unknown |
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2008
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Online Access: | http://etheses.dur.ac.uk/2529/ http://etheses.dur.ac.uk/2529/1/2529_540.pdf |