TY JOUR TI Geochemical signatures of Lower Gondwana sandstones of eastern Arunachal Himalayas, India: Implications for tectonic setting, provenance and degree of weathering KW Gondwana KW sandstone KW Himalayas KW geochemistry KW tectonic setting KW weathering JO Russian Journal of Earth Sciences AU Mahanta, B.. AU Syngai, B.R. AU Sarmah, R.K. AU Goswami, T.K. AU Kumar, A.. PY 2020 IS 20 PB Geophysical Center of the Russian Academy of Sciences