2 sentences

1. 这里的矿山出产大量的煤炭。

   zhè​lǐ de kuàng​shān chū​chǎn dà​liàng de méi​tàn.

   The mines here produce a large amount of coal.

   Source: Dong Chinese Dictionary

2. 这种机器能从矿山采集的金矿中分离出高纯度的黄金。

   zhè zhǒng jī​qì néng cóng kuàng​shān cǎi​jí de jīn​kuàng zhōng fēn​lí​chū gāo chún​dù de huáng​jīn.

   This machine can extract high-purity gold from the gold ore collected from mines.

   Source: Dong Chinese Dictionary