chemical fossil

所屬欄目:英漢古生物學(xué)專業(yè)術(shù)語

Definition: Chemical fossil. Any of various organic compounds found in ancient geologicalstrata that appear to be biological in origin and are assumed to indicate that life existed when therocks were formed. The presence of chemical fossils in Archaean st ......(本文共 401 字 )     [閱讀本文] >>


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