I. INTRODUCTION Huili Group of the Late Precambrian in which abundant iron and copper ores are extensively explored and exploited recently are widespread in Xide, Mianning, Huili and Huidong of southwestern Sichuan. I...I. INTRODUCTION Huili Group of the Late Precambrian in which abundant iron and copper ores are extensively explored and exploited recently are widespread in Xide, Mianning, Huili and Huidong of southwestern Sichuan. It prolongs southwards from展开更多
The Proterozoic strata in which iron ores are abundant are widely distributed and well developed in Western Yunnan. They are of important significance in the national economy. Subdivision and correlation of these stra...The Proterozoic strata in which iron ores are abundant are widely distributed and well developed in Western Yunnan. They are of important significance in the national economy. Subdivision and correlation of these strata will highlight the distribution and minerogenic condition of the mineral resources, as well as the understanding of the evolution of the earth.展开更多
文摘I. INTRODUCTION Huili Group of the Late Precambrian in which abundant iron and copper ores are extensively explored and exploited recently are widespread in Xide, Mianning, Huili and Huidong of southwestern Sichuan. It prolongs southwards from
文摘The Proterozoic strata in which iron ores are abundant are widely distributed and well developed in Western Yunnan. They are of important significance in the national economy. Subdivision and correlation of these strata will highlight the distribution and minerogenic condition of the mineral resources, as well as the understanding of the evolution of the earth.
