Mesozoic magnetic lineations in the Mozambique Basin

Details Mesozoic magnetic lineations in the Mozambique Basin Mesozoic magnetic lineations in the Mozambique Basin

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979e%26psl..43..260s&link_type=abstract

Earth and Planetary Science Letters, Volume 43, Issue 2, p. 260-264.

Computer Science

12

Scientific paper

East-west-trending Mesozoic magnetic anomalies M2 through M22 have been identified in the northern Mozambique Basin. These anomalies are best matched by sea floor created at 50°S trending N120°E and spreading at a rate of around 1.5 cm/yr. The northward increase in age inferred from the identifications of these anomalies are compatible with observed decrease in the ``reliable'' heat flow values from 1.4 to 1.1 μcal/cm2 s to the north in the basin. The anomalies terminate in the southern part of the Mozambique Channel against a magnetic quiet zone to the north. Both the Mozambique Basin anomalies and those recently observed off Antarctica are strong evidence in favour of a Gondwanaland reconstruction that places Dronning Maud Land against southern Mozambique, and a late Jurassic or older separation between Africa and Antarctica.

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