中国海积三叠纪石膏矿床东起苏南,经皖南、鄂南、湘西北、陕南、川中、黔西,西至滇东、藏东均有分布。其成矿的大致范围,北界在巴颜喀拉山、秦岭、大别山一线以南,南界从太湖北岸,沿九岭山北侧,经澧水流域南缘,顺武陵山、苗岭的西北麓至黔桂滇交界处折 The Triassic gypsum deposit in the East China Sea starts from the south, passing through southern Anhui, southern Hubei, southern Hubei, southern Shaanxi, central Sichuan, western Guizhou, western Yunnan, eastern Yunnan and eastern Tibet. The general scope of its mineralization, the northern boundary of Bayan Harlem, Qinling, Dabie Mountains south of the south boundary from the northern coast of Taihu Lake, along the northern side of Jiulingshan, the south margin of the Sanshui basin, Shun Wuling Hill, Miaoling Northwest to Guizhou, Guangxi and Yunnan junction at the fold