最終更新日:2025/11/21

The plumbo-rich ore veins were the focus of the survey, as geologists suspected significant lead mineralization.

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The plumbo-rich ore veins were the focus of the survey, as geologists suspected significant lead mineralization.

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鉛を多く含む鉱脈が調査の対象となり、地質学者たちは鉛の鉱化が進んでいると考えた。

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