1. Andersen, M.E., and J.D. Macdougall, 1977, Accumulation rates of manganese nodules and sediments: an alpha track method: Geophysical Research Letters, v. 4, p. 351–353.
2. Aplin, A.C., and D.S. Cronan, 1985, Ferromanganese oxide deposits from the Central Pacific Ocean. I: Encrustations from the Line Island Archipelago: Geochimica et Cosmochimica Acta, v. 49, p. 427–436.
3. Ballard, R.D., and J. Francheteau, 1983, Geological processes of the midocean ridge and their relationship to sulfide deposition, in P.A. Rona, K. Bostrom, L. Laubier and K.L. Smith, Jr., eds., Hydrothermal Processes at Seafloor Spreading Centers: Plenum Press, New York and London, 796 p.
4. Ballard, R.D., R.T. Holcomb, and T.H. van Andel, 1979, The Galapagos Rift at 86°W, 3, Sheet flows, collapse pits, and lava lakes of the rift valley: Journal of Geophysical Research, v. 84, p. 5407–5422.
5. Ballard, R.D., T.H. van Andel, and R. T. Holcomb, 1982, The Galapagos Rift at 86°W; 5, variations in volcanism, structure and hydrothermal activity along a 30-km segment of the rift valley: Journal Geophysical Research, v. 87, p. 1149–1161.