core steinkern

所屬欄目:英漢古生物學(xué)專業(yè)術(shù)語(yǔ)

Definition: Rock material formed from consolidated mud or sediment that filled a holloworganic structure,such as a fossil shell. The fossil formed after dissolution of the mold.內(nèi)核nèihé指生物遺體中空部分的充填物,如雙殼類和腕足類常形成內(nèi)核化石,其表面為外殼的內(nèi)模 ......(本文共 365 字 )     [閱讀本文] >>


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