supported by the Russian Science Foundation(Project#21-77-20022 for U-Pb ages,petrography,geodynamic implications and paper preparation);the Ministry of Science and Education of Russia(Projects#0330-2019-0003 for geochemistry and AAAA-A19-119072990020-6 for isotopes)。
This paper reviews published and presents new data on U-Pb detrital zircon ages,and petrographic,geochemical and isotope(Sm-Nd,Lu-Hf)compositions obtained from greywacke sandstones of Kazakhstan in order to reconstruc...
Shale and greywacke compositions from the Archean to Phanerozoic record a secular change in the siliciclastic material that comprises much of Earth's continental margins, past and present. This study explores the met...
The Precambrian greywacke of Ribandar-Chimbel belonging to the Sanvordem Formation of the Goa Group, India, has been studied for petrography and analyzed for major trace elements. The greywacke is characterized by ang...