ore- forming structure的用法和樣例：
例句
- Yamansu Formation of the Lower Carboniferous comprises the main ore-bearing formation in the Xiaoshitouquan ore district.
摘要小石頭泉礦區主含礦層為下石炭統雅滿蘇組第二亞組，火山穹隆及伴生斷裂為主要的控礦構造。 - The northeastward Xiangshui fault zone in this area is the main rock-control and ore-control structure.
區內北東向響水斷裂帶是主要的控岩和控礦構造。
