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New U-Pb zircon ages from Paleo-Mesoarchean TTG gneisses of the Singhbhum Craton, Eastern India
U-Pb geochronology zircon Paleoarchean Singhbhum granite batholith Singhbhum Craton
2017/8/9
Two new U-Pb ages of 3448 ± 19 Ma and 3527 ± 17 Ma were obtained on zircons from the Older Metamorphic Tonalite Gneisses (OMTG), Singhbhum North Orissa Craton, Eastern India. These dated TTG-type OMTG...
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U-Pb isotopic compositions of the ultrahighn pressure metamorphic (UHPM) rocks from Shuanghe and gneisses from Northern Dabie zone in the Dabie Mountains, central China: Constraint on the exhu...
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U-Pb isotopic studies of eclogites and their host gneisses in the Xitieshan area of the North Qaidam Mountains, western China: New evidence for an early Paleozoic HP-UHP metamorphic belt
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Transformations of Micas in the Process of Kaolinitization of Granites and Gneisses
Transformations of Micas Kaolinitization Granites Gneisses
2012/2/13
Micas are described from the kaolin type Tertiary weathering crusts formed on granites and gneisses of Lower Silesia, Poland. In the weathering crust, large scale processes of transformation of micas ...