最終更新日：2025/11/29
During the field trip, the students carefully mapped the outcrop of the Farewell Rock to document the sandstone series that marks the boundary between the Coal Measures and the underlying Marros Group in South Wales.
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During the field trip, the students carefully mapped the outcrop of the Farewell Rock to document the sandstone series that marks the boundary between the Coal Measures and the underlying Marros Group in South Wales.
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