Resitivity Plot for the Priory House Lawn

resisitivtyplot
Mike Gill has processed the data produced on Saturday from the three 20m grids surveyed on the Priory House lawn. The three data sets have been joined to make a continuous 60m x 20m block and Mike has overlaid these on to an overhead image of the area from Google Earth. Blue represents relatively low resistvity areas and colours trend from low resistivity blues and greens to high resistivity yellows and orange. We would expect the blues to be associated perhaps with wet areas like ditches where the soil tends to be saturated, whereas the hotter colours may indicate buried rubble or masonry. Although there are no clear rectilinear features which may indicate robbed-out foundation trenches from walls, we think a rectangular shape can be discerned which is not aligned with the grid and hence more likely to represent buried features and not an anomaly produced by the survey equipment or technique.

The Google Earth image shows, at the top, an aerial view of Priory House with its car park adjacent, whereas at the bottom we can see the wall which separates the Priory House lawn from the lower Priory Gardens.

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