Archaeozoic

Shagou deposit mainly lies in the metamorphic rock of Taihua Group, Archaeozoic erathem.

本矿床主要的赋矿地层为新太古界太华群高级变质岩.

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Buried hills of Archaeozoic, Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depression.

东营凹陷西部发育太古界 、 古生界及中生界潜山.

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It is not appropriate for the newly - established Tianjingping Group ( Arzt ) to be thought as upper Archaeozoic erathem.

因此,新建天井坪组 ( Ar~ 2t ),将其归属于上太古界是不妥当的.

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