• Then, dispersal gold placer within the intermediate store body was enriched in gravel bed of detention in river bed after many times intermittent elevation, and the gold placer deposit was formed.

    地壳多次间歇性上升,使砂金中间储存分散的砂金集中富集河床滞留砾石层,从而形成砂金矿床

    youdao

  • Then, dispersal gold placer within the intermediate store body was enriched in gravel bed of detention in river bed after many times intermittent elevation, and the gold placer deposit was formed.

    地壳多次间歇性上升,使砂金中间储存分散的砂金集中富集河床滞留砾石层,从而形成砂金矿床

    youdao

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