最終更新日:2022/12/24
Here and there are beds of oolites, for example, made of little rounded grains – like millet seed – that form only in agitated warm waters, such as you might find off the Bahamas today.
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Here and there are beds of oolites, for example, made of little rounded grains – like millet seed – that form only in agitated warm waters, such as you might find off the Bahamas today.