Philpotts, J. A., Schnetzler, C. C. & Hart, S. R. Earth planet. Sci. Lett. 7, 293–299 (1969).
Aumento, F. Earth planet. Sci. Lett. 11, 90–94 (1971).
Hofmann, A. W. & White, W. M. Earth planet. Sci. Lett. 57, 421–436 (1982).
Chase, C. G. Earth planet. Sci. Lett. 52, 277–284 (1981).
Craig, H. & Lupton, J. in The Sea Vol. 7, 391–428 (Wiey, New York, 1981).
Hart, S. R. & Staudigel, H. Earth planet. Sci. Lett. 58, 202–212 (1982).
Hekinian, R. et al. Mar. Res. (in the press).
Michard, G., Michard, A., Albarède, F., Minster, J. F. & Charlou, J. L. EOS 63, 1014 (1982).
Morgan, J. W. & Wandless, G. A. Geochim. cosmichim. Acta 44, 973–980 (1980).
Staudigel, H. & Hart, S. R. Geochim. cosmochim. Acta 47, 337–350 (1983).
Ludden, J. & Thompson, G. Earth planet. Sci. Lett. 43, 85–92 (1979).
Juteau, T., Noack, Y., Whitechurch, H. & Courtois, C. Init. Rep. DSDP Leg 53, 1273–1279 (1979).
Denis, J. & Michard, G. Bull. miner. (in the press).
Coleman, R. G. Ophiolites 108–114 (Springer, Berlin, 1977).
Courtois, C. & Treuil, M. Chem. Geol. 20, 57–72 (1977).
Cocherie, A. & Thisse, Y. Progr. Res. Rep. (BRGM, Orléans, 1982).
Thisse, Y. thesis, Orléans (1982).
Cohen, R. S. & O'Nions, R. K. J. Petrol. 23, 299–324 (1982).
Kraemer, T. F. Earth planet. Sci. Lett. 56, 210–216 (1981).
Edmond, J. M. et al. Earth planet. Sci. Lett. 46, 19–30 (1979).
Krishnaswami, S. & Turekian, K. K. Geophys. Res. Lett. 9, 827–830 (1982).
Kurz, M. D., Jenkins, W. J. & Hart, S. R. Nature 297, 43–47 (1982).
Vidal, P. & Clauer, N. Earth planet. Sci. Lett. 55, 237–246 (1981).
Brevart, O., Dupre, B. & Allégre, C. J. Econ. Geol. 76, 1205–1210 (1981).
Chen, J. H. & Pallister, J. S. J. Geophys. 86, 2699–2708 (1981).
Bloch, S. Geochim. cosmochim. Acta 44, 373–377 (1980).
Jenkins, W. J., Edmond, J. M. & Corliss, J. B. Nature 272, 156–159 (1978).
Lupton, J. E. et al. Earth planet. Sci. Lett. 50, 115–127 (1980).
Elderfield, H. & Greaves, M. J. Nature 296, 214–219 (1982).
Piepgras, D. J. & Wasserburg, G. J. Science 217, 207–214 (1982).
