A kind of special sedimentary structures are developed in the overwater plains of the Yellow River delta. They look like funnels: round or nearly round, concave
Baiguoyuan silver-vanadium deposit is generally thought to be of sedimentary-diagenetic origin. Based on the characteristics of barites, it is suggested that hy
A stony meteorite fell in Lujiang County, Anhui Province. Its falling, minerals, chon-drules, shock metamorphism and oxidation are simply revealed. The meteorit
Based on data from more than 100 alluvial rivers, a systematic comparison of flow shear stress and energy expenditure has been made between sand- and gravel-bed
The northward movement of the storm over Bengal Bay was the main weather system producing heavy snow over southern Tibet in Nov. 1995. The effect of the Tibetan