Sulfur isotope composition of the Vizcaya and Nicol veins of Portovelo-Zaruma deposit (Ecuador)Geological characterization of gold-bearing Portovelo-Zaruma deposit is given. Presented
isotope New data on the age of gold-quartz mneralization at the Verkhne-Indigirsk district, YakutiaThe conducted geologic, petrographical and geochronological (
isotope) investigations enabled