evelite

露天采掘是一种常见且高效的开采方式，自从星球殖民早期就已经被使用。这种方法实际上就是去除星球地表土壤，直到埋藏在下面的矿床被暴露出来。这样，矿石就可以更容易地被开采出来。露天采掘通常都不会挖掘得很深，只是在矿层较接近地表的情况下使用。出于这个原因，露天挖掘设施通常设立在海底上。

Surface mining is a common and effective practice that dates back to early planetary settlement. The process involves stripping a planet's surface layer until the ore buried beneath is exposed. At this point, the ore can be more easily extracted. Surface mines are typically quite shallow and are built in areas where the surface material covering the valuable deposits is relatively thin. For this reason, surface mines are sometimes built on the ocean floor.