The analysis results of oxygen isotopes, carbon isotopes, geochemistry and the growth belt of reef coral etc. for some profiles of coral reef show that the basi
The Laochang polymetallic ore deposit at Lancang is one of the well known ancient ore deposits associated with volcanic rocks in the Sanjiang (Tri-river) region
Both decrease and increase of sediment yield were observed in main tributaries basins of the Middle Yellow River as basin area increases. Bio-climatic and morph