Last Updated
：2025/11/20
Carboniferous
Adjective
not-comparable
Japanese Meaning
古生代に属する地質時代のひとつで、約3億4500万年前から約2億8000万年前までの期間にあたり、ミシシッピアン期とペンシルベニア期に相当し、この時期に石炭が多量に堆積した。
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(geology) Of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down.
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Carboniferous
Carboniferous swamps once covered the basin, leaving behind vast coal deposits.
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Carboniferous swamps once covered the basin, leaving behind vast coal deposits.
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