It is concluded that there is a former island arc in central Altyn Tagh and an ocean basin in the north of the old island arc before Mesoproterozoic Era.

• 由此表明，在中元古代以前中阿尔金地块可能是一个古岛弧，在古岛弧的北侧还存在有一个古大洋盆地（或古弧后盆地）。