Zhaocun bentonite deposit oringnated from tuff rich in volcanic hyalocrystalline,which underwent hydrolysis and alteration in Changxing county,Zhejiang province.The deposit has middle scale.

浙江县赵村矿是由富含火山玻质的凝灰岩原地水解蚀变形成的矿床,矿床具中型规模。