Abstract
Palæomagnetic data from sediments deposited during the Permo-Carboniferous Dwyka glaciation of Gondwana has been obtained from South Africa, Zimbabwe and Tanzania. Biostratigraphic and geochronological constrains indicated that the sediments are Early Carboniferous to Early Permian in age. Seventy-two sites were collected from diamictites, siltstone and rythmites. Twenty-two of these sites yielded positive results, rythmites being the most successful lithological type sampled. The dominant direction isolated was down and to the east-southeast. However, three sites from the northwest Cape Province yielded directions up and to the northwest, the normal polarity in Early Permian coordinates. Normal polarities within the Kiaman at this time are known from elsewhere (Dunkard Subchron). Virtual geomagnetic poles were calculated from each site and a palæomagnetic pole was calculated after correcting each site for bedding tilt. The sites group more closely after they have been corrected for tilt and have passed a fold test. The palæomagnetic South Pole falls at 67°E and 25°S, α95 of 12°.
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