Sentences with phrase «produced shallow seas»
This increased the area of continental shelf, produced shallow seas, thereby also expanding the diversity of environmental niches in which animals could specialize and speciate.
http://www.fossilmuseum.net/ Not exact matches
The ice formation and offshore winds produce strong currents in these shallow marginal seas, which stir up the sediment and carry the methane produced there into the water column.
Some of the shallow - water seeps are likely to be in now - submerged areas that were methane - producing wetlands during the most recent ice age, when sea levels were more than 100 metres lower than they are today.