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reef coreの例文

例文モバイル版携帯版

  • It is estimated through radiocarbon dating of reef cores that the reefs have been living on the continental shelf of Western Canada for 8500 9000 years.
  • On the basis of core sample analysis and seismic studies the following depositional settings have been identified : limestone, talus, normal marine, shallow marine, inner reef lagoon, reef core, relatively deep water, slope, and anhydrite.