Cooke Report 29 October 1998

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EXPLORATION RESULTS

3.1 Geophysical Survey

A detailed ground magnetic survey of the Muirton property was conducted by Dr. G.J. Greeff of Stellenbosch in February 1997.

Geomagnetic field values in nanoteslas were recorded at ten metre intervals along east-west lines at 100 m intervals Readings were also taken along two lines 100 m apart and parallel to the western boundary. A datum value of 27 900 nanoteslas was chosen as a base or reference in order to reduce the measured field values to more manageable readings.

The following is a summary of the main results or this survey:

The Deep Structure, located by boreholes AAB/56 and AB/6 (click to see borehole map) drilled to depths of 32 and 30 metres respectively, consistently gave lower than average magnetic readings. It was concluded that this low magnetic signature is probably caused by a blanketing effect exercised by the thick layers of non-magnetic coarse- and fine-grained river sand which lies within the depression.
An elongated anomaly of high magnetic readings was located in the eastern half of the property. The zone trends in a north-easterly direction and could be an indication of an as yet undiscovered kimberlite blow occurring along a kimberlite fissure.

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