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.

浙江省赵村土矿是由富含火山玻质凝灰岩原地水解蚀变形成土矿床,矿床具中型规模。