Car park at the Peninsula Eye Clinic possible site of convict barracks
The results of the GPR investigation and of the Magnetic Gradiometer investigation indicate that there are no shallow archaeological structural remains of interest on this site.
Back yard on Anzac Avenue, possible site of the Commandant’s House
Anaylsis of the GPR data has revealed a definite structure which is most probably remnants of the Commandant’s House of the first settlement in the Redcliffe Peninsula. Identified walls have been plotted as blue rectangles with depths in millimetres alongside. The majority of walls are not complete but rather appear to be sections of once continuous walls. One wall runs east to west through the entire survey site at a depth of approximately 330 millimetres. The floor is approximately at a depth of between 600 and 900mm from the surface and appears to be a compacted dirt floor with some minor undulations in its surface.
GPR investigation at backyard Anzac Avenue
Corscadden Park, possible site of a convict kiln
Three areas of interest have been high-lighted in the magnetic maps in the northern portion of the survey area. These anomalies are identifiable in both the top and bottom sensors, and the vertical gradient. The relatively low amplitude response, shape, and location in relation to the conjectural map by J G Steele suggest that these features are possibly remnants of the brick kiln. The most northern of these features most prominent in the top and bottom sensor maps is the largest of the identified anomalies.
The depth of investigation for a magnetic gradiometer can be up to 5 to 10 meters to locate fired structures. In this case we do not expect these magnetic features to be this deep. According to the shape and amplitude of the features observed it is expected that these features are within 2.5 m from the surface.
Magnetic investigation of Corscadden Park
