• 盆地充填第四纪-冲积沉积,有聚集,局部集成矿床

    The basin was filled with thick sediments of Quaternary lake and alluvial facies and accumulated with tin placer which is locally enriched to be commercial deposit.

    youdao

  • 盆地充填第四纪-冲积沉积,有聚集,局部集成矿床

    The basin was filled with thick sediments of Quaternary lake and alluvial facies and accumulated with tin placer which is locally enriched to be commercial deposit.

    youdao

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