Shagou deposit mainly lies in the metamorphic rock of Taihua Group, Archaeozoic erathem.
本礦床主要的賦礦地層為新太古界太華群高級變質巖.
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Buried hills of Archaeozoic, Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depression.
東營凹陷西部發育太古界 、 古生界及中生界潛山.
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It is not appropriate for the newly - established Tianjingping Group ( Arzt ) to be thought as upper Archaeozoic erathem.
因此,新建天井坪組 ( Ar~ 2t ),將其歸屬于上太古界是不妥當的.
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"archeozoic life forms"
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