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德兴大型矿集区范围约长 2 0km、宽 10km ,已发现 3个大矿田 13个矿床和许多矿点。赣东北深断裂带控制了区域构造演化、岩浆活动和成矿作用。德兴矿集区的形成是构造—岩浆—成矿统一的地质作用的结果。深源岩浆作用对大规模多金属成矿有决定性的影响。中 新元古代海相火山喷发营造了双桥山群成矿建造———矿源层。中生代Ⅰ型花岗岩浆活动对大规模多金属成矿的制约主要有 5个方面 :⑴供给Cu、Pb、Zn、Au、Ag等成矿金属元素 ;⑵产生成矿热流体 ;⑶提供成矿热驱动力 ;⑷营造成矿空间 ;⑸激活围岩“矿源层”中的成矿物质参与成矿。
Dexing large-scale mining area of about 20 km long, 10 km wide, has found three large orefields and 13 ore deposits. The deep fault zone in northeastern Jiangxi controls regional tectonic evolution, magmatism and mineralization. The formation of Dexing ore district is the result of the unified geologic-magmatic-metallogenic geology. Deep-source magmatism has a decisive influence on large-scale polymetallic mineralization. Neoproterozoic marine volcanic eruptions created the Shuangqiaoshan Group metallogenic construction --- source rocks. There are mainly five aspects to the control of the large-scale polymetallic mineralization in the Mesozoic granitoids Ⅰ: (1) the supply of metallogenic elements such as Cu, Pb, Zn, Au, Ag; (2) the generation of ore-forming fluid; (3) Driving force; ⑷ create a metallogenic space; ⑸ activate the surrounding rock “source rock” in the metallogenic material involved in mineralization.