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| | | | | | carboniferous | (n) from 345 million to 280 million years ago, Syn. Carboniferous period | | carboniferous | (adj) of or relating to the Carboniferous geologic era, Example: carboniferous rock system | | carbonaceous | (adj) relating to or consisting of or yielding carbon, Syn. carboniferous, carbonic, carbonous | | mississippian | (n) from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects, Syn. Missippian period, Lower Carboniferous, Lower Carboniferous period | | pennsylvanian | (n) from 310 million to 280 million years ago; warm climate; swampy land, Syn. Pennsylvanian period, Upper Carboniferous period, Upper Carboniferous |
| | Carboniferous | a. [ Carbon + -ferous. ] Producing or containing carbon or coal. [ 1913 Webster ] Carboniferous age (Geol.), the age immediately following the Devonian, or Age of fishes, and characterized by the vegetation which formed the coal beds. This age embraces three periods, the Subcarboniferous, the Carboniferous, and Permian. See Age of acrogens, under Acrogen. -- Carboniferous formation (Geol.), the series of rocks (including sandstones, shales, limestones, and conglomerates, with beds of coal) which make up the strata of the Carboniferous age or Carboniferous period. See the Diagram under Geology. [ 1913 Webster ]
| | Subcarboniferous | a. (Geol.) Of or pertaining to the lowest division of the Carboniferous formations underlying the proper coal measures. It was a marine formation characterized in general by beds of limestone. -- n. The Subcarboniferous period or formation. [ 1913 Webster ] |
| | 古生代 | [Gǔ shēng dài, ㄍㄨˇ ㄕㄥ ㄉㄞˋ, 古 生 代] Paleozoic (geological era 545-250m years ago, covering Cambrian 寒武紀|寒武纪, Ordovician 奧陶紀|奥陶纪, Silurian 志留紀|志留纪, Devonian 泥盆紀|泥盆纪, Carboniferous 石炭紀|石炭纪, Permian 二疊紀|二叠纪, See also: 寒武紀, 寒武纪, 奧陶紀, 奥陶纪, 志留紀, 志留纪, 泥盆紀, 泥盆纪, 石炭紀, 石炭纪, 二疊紀, 二叠纪 #60,350 [Add to Longdo] | | 石炭系 | [shí tàn xì, ㄕˊ ㄊㄢˋ ㄒㄧˋ, 石 炭 系] carboniferous system; coal measure (geol.) #71,601 [Add to Longdo] | | 石炭纪 | [Shí tàn jì, ㄕˊ ㄊㄢˋ ㄐㄧˋ, 石 炭 纪 / 石 炭 紀] Carboniferous (geological period 354-292m years ago) #98,259 [Add to Longdo] |
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