Last Updated:2025/11/30

Field researchers identified a plutogenic layer within the mountain, indicating significant intrusive activity millions of years ago.

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Field researchers identified a plutogenic layer within the mountain, indicating significant intrusive activity millions of years ago.

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現地の研究者は山中で深成岩由来の地層を確認し、それが数百万年前の大規模な貫入活動を示していた。

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