quartziferous rocks

例句：

1. 1. The rock is quartziferous, meaning it contains a high percentage of quartz.
   这种岩石是多石英的，意味着它含有大量的石英。
2. 2. The mineral deposit is quartzose, indicating that it is rich in quartz.
   这个矿床是石英质的，表明它富含石英。
3. 3. The crystals are quartzose, which means they have a smooth and shiny surface.
   这些晶体是石英质的，这意味着它们表面光滑且有光泽。