1 there mainly are silicification, pyritization, sericitization, carbonation, followed by sodium chlorite, etc..
2 ore bodies mainly as veins, veins extending larger, and extends more than extension.
3, ore minerals are mainly pyrite, not the same amount of galena, sphalerite, chalcopyrite and the gangue minerals as quartz, mica, feldspar, sodium chlorite and carbonate.
4, the gold deposit is mainly based on natural gold, and the second is te gold and silver gold. Gold mainly occurs in pyrite.