Geophysical survey report - Thames Valley Archaeological Services

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536000300-300030060053500060053400-3030060030-6030-303000030-6030-3030000600300053300SW91700 91800 91900HFC 12/202NLand at Hewas Farm, Ladock, Truro,Cornwall, 2012<strong>Geophysical</strong> Survey (Magnetic)Figure 5. Plot of processed data for the eastern half of the site.+20 nT0m100m-20 nT
LegendPositive anomaly - possible cutfeature (archaeology)Weak positive anomaly -possible cut feature53600Negative anomaly - possibleearthwork (archaeology)Weak negative anomaly -possible earthwork or trackPositive anomaly - probably ofgeological originFerrous spike - probable ferrousobjectMagnetic disturbance caused bynearby metal objects/services060A5A83060A760606030060030B73060B6B86060B1D6D3D4D1D2D80-3000030D93005350060A1 000B4B2A4B5B7D7B3A7A3B806053400A2A7A6C2C3C1-6030C2-3030030C400C4A853300NSW91400 91500 91600Land at Hewas Farm, Ladock, Truro,Cornwall, 2012<strong>Geophysical</strong> Survey (Magnetic)Figure 6. Interpretation plot for the western half of the site.HFC 12/2020m100m
Page 1 and 2: T H A M E SV A L L E YARCHAEOLOGICA
Page 3 and 4: SummarySite name: Land at Hewas Far
Page 5 and 6: The site and weather conditions dur
Page 7 and 8: ProcessDe-stagger all grids by -2 i
Page 9 and 10: Field CThe primary feature of Field
Page 11 and 12: Elsewhere in the field, several dis
Page 13 and 14: Processes: 41 Base Layer2 DeStripe
Page 15 and 16: 12 Col:2 Row:5 grids\03.xgd13 Col:3
Page 17 and 18: Field DField B53600Field AA1 060306
Page 19: 53600030060306060606030060030306060
Page 23 and 24: Plate 1. Field A in the foreground,

Geophysical survey report - Thames Valley Archaeological Services

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