最終更新日:2024/07/29
Geosynclines are large-scale troughs or basins in the Earth's crust.
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Geosynclines are large-scale troughs or basins in the Earth's crust.
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Geosynclines are large-scale troughs or basins in the Earth's crust.
Geosynclines are large-scale troughs or basins in the Earth's crust.