native copper的用法和样例：
例句
- 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。 - 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。
