Dictionary » O » Ordovician



(Science: geology) Of or pertaining to a division of the silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian.

The Ordovician formation.

Origin: From L. Ordovices, a Celtic people in Wales.

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Anthropogenic global warming?

... caused Devonian (~400 Ma) CO2 draw down by enhancing chemical weathering rates. Supports CO2-climate link through Phanerozoic. Exception is Late Ordovician glaciation, explained by "unique paleogeographic circumstances." Royer, D. L., R. A. Bemer, and D. J. Beerling. "Phanerozoic ...

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by blcr11
Tue May 29, 2007 8:17 pm
Forum: Ecology
Topic: Anthropogenic global warming?
Replies: 188
Views: 162625

Cambrian Explosion

... a graph about the temperature and amout of Carbon di oxide from early times of earth and the other is the map of earth during Cambrian,Paleozoic,Ordovician.

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by David George
Thu Aug 24, 2006 3:00 pm
Forum: Evolution
Topic: Cambrian Explosion
Replies: 0
Views: 2032

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