TY - RPRT TI - 238U-234U-230Th disequilibrium in hydrogenous oceanic Fe-Mn crusts: Palaeoceanographic record or diagenetic alteration? AU - F. Chabaux AU - R. K. O’Nions AU - A.S. Cohen AU - J.R. Hein PY - 1997 DO - 10.1016/s0016-7037(97)00187-7 UR - https://pubs.usgs.gov/publication/70019607 ID - 70019607 ER -