emmonsite

例句：

1. 1. The emmonsite is rich in minerals and has been used for centuries as a source of wealth.
   该矿床富含矿物，自古以来就作为财富的来源被使用。
2. 2. Mining companies are constantly searching for new emmonsites to exploit.
   矿业公司不断寻找新的矿床进行开采。
3. 3. The emmonsite was discovered by accident during a geological survey.
   这个矿床是在一次地质调查中偶然发现的。