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.
迹
是指一组具有特征的迹化
组合,在一段当长的地
时期中不断的重视以及它们的环境意义。
;
迹化;迹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.
迹是指一组具有特征的迹化组合,在一段当长的地时期中不断的重视以及它们的环境意义。
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