Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可
对树
轮和被称为纹泥季节性沉积物进行计数来确定其绝对龄。
Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可对树轮和被称为纹泥季节性沉积物进行计数来确定其绝对龄。
Dendrochronology A method of archaeological dating by the ANNUAL RINGS of tree, used when the lifespans of living and fossil trees in an area overlap.
在一定区域内当生活树及化石树寿命有重叠时，通过树轮来推测考古学代方法。
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