native copper

• 自然铜

native copper的用法和样例：

例句

1. Keweenaw native copper deposit was formed in an intracontinental rift.
   基维诺自然铜矿床生成于陆内裂谷环境。
2. Mixing of hot fluid with cold fluid was responsible for precipitation of native copper.The native copper deposit is confined to the top of lava flow.
   在流体运移过程中，热冷两种流体混合，发生了冷却作用和水岩反应，为低硫的含铜流体沉淀自然铜提供了必需的还原环境。