Normal arc basaltic andesites derived from mantle wedge metasomatized by hydrous fluids from subduction dehydration. In addition,the spatial association of the HNB with adakites"adakitic metasomatic volcanic series",indicate Duobuza porphyry copper deposit form in the typical island arc subduction setting.
另外,多不杂矿区埃达克岩和高 Nb 玄武岩（HNB）空间共生的"埃达克质岩浆交代的火山岩系列",表明多不杂铜矿床形成于典型的岛弧俯冲构造背景。
参考来源 - 班公湖带多不杂富金斑岩铜矿床斑岩·2,447,543篇论文数据，部分数据来源于NoteExpress
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