absolute age

所屬欄目:英漢古生物學(xué)專業(yè)術(shù)語

Definition:The geologic age of a fossil,or a geologic event or structure expressed in units oftime,usually years,also known as actual age.絕對年齡jué duì nián líng化石、巖石等地質(zhì)體的地質(zhì)年齡,通常采用同位素測年方法獲得,故也稱為“同位素年齡”。本名詞與“ ......(本文共 360 字 )     [閱讀本文] >>


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