Carboniferous coal was produced by bark-bearing trees that grew in vast lowland swamp forests. Vegetation included giant club mosses, tree ferns, great horsetails, and towering trees with strap ...

Although coal-beds are by no means peculiar to the Carboniferous period, since such deposits must be formed wherever the decay of vegetation is going on extensively, yet it would seem that ...

Dominated by carbon-rich swamps and forests proliferating across Earth's rocky surface, the Carboniferous period saw a boost in atmospheric oxygen and vast quantities of carbon dioxide trapped in ...

The Carboniferous Period, ... Forests stretched across continents, forming thick, ... The tale of Pulmonoscorpius began with fossil hunters unearthing remarkable remains in Scottish coal deposits.

Coal, which generated about half of the United States' electricity in 2010, formed mostly about 300 million years ago during the aptly named Carboniferous period.

Some of these deposits became the coal seams that are now mined and burned, re-releasing the carbon stored by ancient forests. The Carboniferous period is named after these carbon-rich coal seams ...

Carboniferous coal was produced by bark-bearing trees that grew in vast lowland swamp forests. Vegetation included giant club mosses, tree ferns, great horsetails, and towering trees with strap ...