Nature 240, 402 - 403 (15 December 1972); doi:10.1038/240402a0

Precambrian Geomagnetic Reversal Stratigraphy

HENRY SPALL

Environmental Research Laboratories, National Oceanic and Atmospheric Administration, Boulder, Colorado 80302

REVERSALS of polarity are encountered in Precambrian rocks. It is therefore important to consider whether geomagnetic field reversals can be a viable stratigraphic tool in the Precambrian.

References

1.	Dalrymple, G. B., in Calibration of Hominoid Evolution (edit. by Bishop, W. W., and Miller, H. A.), 107 (Scottish Academic Press, 1972).
2.	Helsley, C. E., Bull. Geol. Soc. Amer., 80, 2431 (1969).
3.	Obradovich, J. D., and Peterman, Z. E., Can. J. Earth Sci., 5, 737 (1968).
4.	Faure, G., and Kovach, J., Bull. Geol. Soc. Amer., 80, 1725 (1969).
5.	Moorbath, S., Scot. J. Geol., 5, 154 (1969).
6.	Stockwell, C. H., Can. J. Earth Sci., 5, 693 (1968).
7.	Goldich, S. S., Can. J. Earth Sci., 5, 715 (1968).
8.	Moorbath, S., Earth Sci. Rev., 3, 111 (1967).
9.	McElhinny, M. W., Briden, J. C., Jones, D. L., and Brock, A., Rev. Geophys., 6, 201 (1968).
10.	Jones, D. L., and McElhinny, M. W., J. Geophys. Res., 72, 4147 (1967).
11.	Irving, E., Geophys. J. Roy. Astron. Soc., 24, 529 (1971).
12.	Harrison, J. E., Bull. Geol. Soc. Amer., 83, 1215 (1972).
13.	Zartman, R. E., J. Geophys. Res., 70, 965 (1965).
14.	York, D., Comm. Geophys. Earth Sci., 2, 47 (1971).
15.	MacIntyre, R. M., York, D., and Moorhouse, W. W., Can. J. Earth Sci., 4, 815 (1967).
16.	Pasteels, P., Earth Sci. Rev., 4, 5 (1968).
17.	Dalrymple, G. B., and Lanphere, M. A., Potassium-Argon Dating (Freeman, 1969).
18.	Fahrig, W. F., Irving, E., and Jackson, G. D., Can. J. Earth Sci., 8, 455 (1971).
19.	Watkins, N. D., Bull. Geol. Soc. Amer., 83, 551 (1972).
20.	Spall, H., J. Geol., 79, 118 (1971).
21.	Spall, H., Earth Planet Sci. Lett., 10, 273 (1971).
22.	Fahrig, W. F., and Jones, D. L., Can. J. Earth Sci., 6, 679 (1969).
23.	Irving, E., Park, J. K., and Roy, J. L., Nature, 236, 344 (1972).
24.	Gates, T. M., thesis, M.I.T. (1971).
25.	Vlasov, A. Ya., and Popova, A. V., Izv., Earth Phys., 2, 63 (1968).