greenstone schist

例句：

1. 1.The greenstone schist is a type of rock that contains minerals like quartz and mica.
   绿石片岩是一种含有石英和云母等矿物的岩石类型。
2. 2. This area is famous for its greenstone schist, which is highly sought after for its beautiful color and texture.
   这个地区以其美丽的颜色和纹理而闻名，其绿石片岩备受追捧。
3. 3. The greenstone schist mines are located in the mountains, where they have been mined forcenturies.
   绿石片岩矿藏位于山区，数百年来一直被开采。