The ichnofacies is the grouping of characteristic trace fossil association tending to rscirrence through a rather long interval of geologic time,and their environmental implication.
遗迹相是具有特征的遗迹化石
合,在
段相当长的地
时期中不断的重视
及它们的环境意义。
The ichnofacies is the grouping of characteristic trace fossil association tending to rscirrence through a rather long interval of geologic time,and their environmental implication.
遗迹相是具有特征的遗迹化石
合,在
段相当长的地
时期中不断的重视
及它们的环境意义。
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正。