Abstract
VERY low heat flow values of 18±2 mW m−2 (0.42±0.04 µcalorie cm−2 s−1) and 22±2 mW m−2 (0.51±0.05 µcalorie cm−2s−1) have been determined for two sites 85 km apart on the West African Precambrian shield in the Niger Republic (Table 1).
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References
Van Zinderen Bakker, E. M., Palaeoecol. Afr. surround. Isles Antarct., 7 (1972).
Brunnschweiler, R. O., Geology, 22, 1 (1974).
Beck, A. E., and Mustonen, E., Nature phys. Sci., 235, 61 (1972).
Sclater, J. G., and Francheteau, J., Geophys. J. R. astr. Soc., 20, 509 (1970).
Ringwood, A. E., in The Earth's Crust and Upper Mantle (edit. by Hart, P. J.), (Am. geophys. Union. Geophys. Monogr., 13, Washington, DC, 1969).
Schatz, J. F., and Simmons, G., J. geophys. Res., 77, 35 (1972).
Weertman, J., Rev. Geophys. Space Phys., 8, 1 (1970).
Burke, K., and Wilson, J. T., Nature, 239, 5372 (1972).
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CHAPMAN, D., POLLACK, H. ‘Cold spot’ in West Africa: anchoring the African plate. Nature 250, 477–478 (1974). https://doi.org/10.1038/250477a0
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DOI: https://doi.org/10.1038/250477a0
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