veinlet造句怎么写

The Dexing copper mine in Jiangxi Province is a porphyry copper ore field of veinlet-dissemi-nated type.

Ore types are limonite fractured silicic sandstone, quartz veinlet and bedded flysch rhythm ore.

Three kinds of state of arscnopyrite are developed at the deposit, i. e. corse-grained arsenopyritc, veinlet arsenopyrite and arsenopyrite-bearing quartz vein, and fine-grained disseminated arsenopyrite.