Cockcroft, T. and Gater, J. A. (2022). Geophysical Survey at Imberhorne Farm, East Grinstead, West Sussex. Sumo Geophysics. https://doi.org/10.5284/1110284. Cite this using datacite

Title
Title
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Title:		 Geophysical Survey at Imberhorne Farm, East Grinstead, West Sussex
Series
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Series:		 SUMO Geophysics Limited unpublished reports
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Downloads:
sumogeop1-504502_186781.pdf (18 MB) : Download
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Licence Type:
Creative Commons Attribution 4.0 International Licence icon
Creative Commons Attribution 4.0
International Licence
DOI
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DOI
https://doi.org/10.5284/1110284
Publication Type
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 A temporary grid system will be established over the site and marked out using canes. The location of the grid will be set out using an RTK GPS system theoretically accurate to some 0.01m and referenced to OS co-ordinates. Data will be collected using a cart carrying four paired Bartington magnetic sensors. Four sensors mounted 1m horizontally apart and very accurately aligned to nullify the effects of the earth’s magnetic field. Readings relate to the difference in localised magnetic anomalies compared with the general magnetic background. Each data point is geographically referenced using an on-board Trimble RTK survey grade GPS system. Readings will be taken at 0.125m centres along traverses 1.0m apart. Readings relate to the difference in localised magnetic anomalies compared with the general magnetic background. The magnetometer survey has not recorded any magnetic responses that could be interpreted as being of definite archaeological interest. There are a few uncertain responses in the data, however, none of these are similar to the archaeological anomalies identified in the earlier magnetic survey (Magnitude 2018). Former field boundaries, an old building, an infilled pond, natural / geological responses, ploughing effects, land drains and a small pipe are all visible in the results.
Author
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Author:		 Thomas Cockcroft
John A Gater
Publisher
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Publisher:		 Sumo Geophysics
Year of Publication
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Year of Publication:		 2022
Locations
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Locations:
District: Mid Sussex
Parish: East Grinstead
Country: England
County: West Sussex
Grid Reference: 536388, 138597 (Easting, Northing)
Subjects / Periods
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Subjects / Periods:
PLOUGH MARKS (Monument Type England)
POST MEDIEVAL DRAIN (Tag)
POST MEDIEVAL PLOUGH MARKS (Tag)
20TH CENTURY PIPELINE (Tag)
DRAIN (Monument Type England)
MAGNETOMETRY SURVEY (Event)
GEOPHYSICAL SURVEY (Event)
PIPELINE (Monument Type England)
20TH CENTURY (Historic England Periods)
POST MEDIEVAL (Historic England Periods)
Identifiers
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Identifiers:
OASIS Id: sumogeop1-504502
Report id: 06028
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OASIS (OASIS)
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Created Date
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Created Date:		 12 Jul 2023