-
翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组。
Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.
youdao
-
翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组。
Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.
youdao