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古近纪-新近纪聚煤期
释义
古近纪-新近纪聚煤期
Encyclopedia
理学
聚煤期
释
Paleogene-Neogene coal-accumulating period
古近纪-新近纪聚煤期
古近纪-新近纪有大量聚煤作用发生并形成有工业价值煤田的时期。包括古近纪始新世-渐新世和新近纪的中新世-上新世时期发生的聚煤作用。前者主要分布于中国东部及广西西南部,后者主要分布于云南及台湾。在中国陆上区域,古近系-新近系聚煤区的煤占煤炭资源总量的0.6%。
随便看
difference differential equation
difference-differential equation
difference distribution
difference element
difference equation
difference family
difference formula
difference Fourier synthesis
difference frequency
difference frequency distortion
difference-frequency distortion
difference game
difference group
difference hierarchy
difference interval
difference kernel
difference matrix
difference method
difference module
difference Monte Carlo method
difference of a function
difference of events
difference of first order
difference of higher order
difference of higher order; higher difference
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