四川黑水徐古锰矿位于日嘎希—瓦钵梁子复背斜西段北翼.The Xugu Mn deposit in Heishui , Sichuan lies in the northern limb of the Rigaxi - Waboliangzi anticlinorium....

“复背斜”的英语可以翻译为：anticlinorium ...