四川省沐川县北部土壤硒地球化学特征与成因探讨

韩伟, 王乔林, 宋云涛, 彭敏, 王成文

Geochemical characteristics and genesis of selenium in soil in northern Muchuan County, Sichuan Province

HAN Wei, WANG Qiao-Lin, SONG Yun-Tao, PENG Min, WANG Cheng-Wen

图1 工作区表层土壤硒地球化学评价等级 P2β—峨眉山玄武岩;T1f+t—铜街子组-飞仙关组(并组);T1j—嘉陵江组;T2-3l-k—垮洪洞组-雷口坡组(并组);T3-J1x—香溪群;J2s1—沙溪庙组下段;J2z—自流井组

Fig.1 Geochemical evaluation grade of selenium in topsoil in research area P2β—Emeishan basalt;T1f+t—Tongjiezi and Feixianguan formation;T1j—Jialingjiang formation;T2-3l-k—Kuahongdong and Leikoupo formation;T3-J1x—Xiangxi group;J2s1—lower Shaximiao formation;J2z—Ziliujing formation