最終更新日：2024/08/08

A small object, often spherical to disc-shaped, found in three-billion-year-old pyrophyllite deposits mined near Ottosdal in South Africa.

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Klerksdorp sphere

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元となった辞書の項目

Klerksdorp sphere

noun

A small object, often spherical to disc-shaped, found in three-billion-year-old pyrophyllite deposits mined near Ottosdal in South Africa.

I found a Klerksdorp sphere on the beach.

意味（1）

A small object, often spherical to disc-shaped, found in three-billion-year-old pyrophyllite deposits mined near Ottosdal in South Africa.