Geological horizon
volume
British pronunciation/dʒˌɪəlˈɒdʒɪkəl həɹˈaɪzən/
American pronunciation/dʒˌɪəlˈɑːdʒɪkəl hɚɹˈaɪzən/

"geological horizon"の定義と意味

Geological horizon
01

a layer of rock with a particular composition (especially of fossils); for dating the stratum

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