early proterozoic

常見例句

Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.
翁泉溝硼鐵礦床賦存于早元古宙遼河群里爾峪組。
The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji'an Group and mid Proterozoic Laoling Group .
吉林省早前寒武紀(jì)地質(zhì)包括太古宙花崗—綠巖帶、早元古代集安群和中元古代老嶺群。
The Precambrian intrusive rocks in western Shandong area mainly fall into two parts:the Taishanian(Archean)and the Aolaishanian(early Proterozoic ) intrusive rocks.
魯西地區(qū)的前寒武紀(jì)侵入巖分為太古代泰山期和早元古代傲徠山期二部分。