English Dictionary

Carboniferous

形容詞

比較不可

(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.

日本語の意味

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。

Carboniferous swamps once covered the basin, leaving behind vast coal deposits.

石炭紀の湿地がかつて盆地を覆い、膨大な石炭の堆積を残した。

意味（1）

(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.