TY - RPRT TI - Eastern Indian 3800-million-year-old crust and early mantle differentiation AU - A. R. Basu AU - S.L. Ray AU - A.K. Saha AU - S.N. Sarkar PY - 1981 DO - 10.1126/science.212.4502.1502 UR - https://pubs.usgs.gov/publication/70012153 ID - 70012153 ER -