| 单词 | isochron |
| 释义 | Word Frequency isochron(ˈaɪsəʊˌkrɒn) noun 1. a line on an isotope ratio diagram denoting a suite of rock or mineral samples all formed at the same time. The slope of the line is related to the age of the rock or mineral suite 2. a line or curve on a geological map or cross section (esp of oceanic crust) connecting points of identical age |
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