microbolite

常見例句

• The microbolite in the chert are composed of stromatolites and thrombolites under the Precambrian-Cambrian boundary which is similar to those in the contemporary sediments on the carbonate plarforms.
  在根據(jù)有機碳同位素和微體化石確定的前寒武紀-寒武紀界線之下，微生物巖以疊層石-凝塊石組合為標(biāo)志，具有與臺地相同期地層類似的特征；
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