Carboniferous

UK:  [.kɑː(r)bə'nɪfərəs]

US:  [.kɑrbə'nɪfərəs]

n.

1.石炭纪

adj.

1.〔地〕石炭纪

2.含碳的

3.【地质学;地理学】石碳纪的

1 . While those of the Carboniferous are rhyolite-dacite-andesite formation of transitional-continental environment with crustal compositions.
石炭系火山岩主要是流纹岩-英安岩-安山岩建造，它们产出于海陆过渡相-陆相环境，属于地壳成分。

2 . A complete progressive and regressive cycle occurred in the early Early Carboniferous in the eastern part of the North Qilian Mountains.
北祁连山东部早石炭世早期经历了一次完整的海水进退旋回。

3 . Major volcanic rock types of Carboniferous times are andesitic basalt, dacite, rhyolite, characterized by a bimodal volcanic suite.
石炭纪火山岩主要为安山玄武岩和英安岩、流纹岩类，略具双峰式火山岩特点。

4 . The extinct trees of the genus Lepidodendron were once distributed widely and contributed largely to the coal seams of the Carboniferous .
已灭绝的鳞木属植物曾经分布广泛，它是石炭纪煤层的重要组成部分。

5 . the hydrocarbon potential of Carboniferous and Triassic coal are better than that of Jurassic coal.
本区煤的生烃潜力表现为三叠纪和石炭纪煤高，侏罗纪煤低的特点。