GSNI Tellus Regional Airborne Geophysical Survey - Radiometric Grids

Data were processed using Geosoft Oasis Montaj and supplied in three formats.

Geosoft Grid
ESRI Geodatabase
ASCII Grid

Please note that the presence of ‘Minc from V3 gdb, cellsize 35m’ in the grid filename indicates that the grid was generated using the Minimum Curvature interpolation method, from data contained within the Radiometrics V3 database, using a cell size of 35m.

The following file are provided:

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_KAL_1

K generated using the Minimum Curvature interpolation method, from data contained within the D_KAL_1 channel of the Radiometrics V3 database, using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_KAL_1_GRD_s

A sunshade of the K generated using the Minimum Curvature interpolation method, from data contained within the D_KAL_1 channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_THO_1

Th generated using the Minimum Curvature interpolation method, from data contained within the D_THO_1 channel of the Radiometrics V3 database, using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_THO_1_GRD_s

A sunshade of the Th generated using the Minimum Curvature interpolation method, from data contained within the D_THO_1 channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_URA_1

U generated using the Minimum Curvature interpolation method, from data contained within the D_URA_1 channel of the Radiometrics V3 database using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_URA_1_GRD_s

A sunshade of the U generated using the Minimum Curvature interpolation method, from data contained within the D_URA_1 channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) eTh_K_1

Ratio eTh/K generated using the Minimum Curvature interpolation method, from data contained within the eTh_K_1 channel of the Radiometrics V3 database, using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) eTh_K_1_GRD_s

A sunshade of the Ratio eTh/K generated using the Minimum Curvature interpolation method, from data contained within the eTh_K_1 channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) eU_eTh_1

Ratio eU/eTh generated using the Minimum Curvature interpolation method, from data contained within the eU_eTh_1 channel of the Radiometrics V3 database, using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) eU_eTh_1_GRD_s

A sunshade of the Ratio eU/eTh generated using the Minimum Curvature interpolation method, from data contained within the eU_eTh_1 channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) eU_K_1

Ratio eU/K generated using the Minimum Curvature interpolation method, from data contained within the eU_K_1 channel of the Radiometrics V3 database, using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) eU_K_1_GRD_s

A sunshade of the Ratio eU/K generated using the Minimum Curvature interpolation method, from data contained within the eU_K_1 channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_TOT_CPS

Total Count generated using the Minimum Curvature interpolation method, from data contained within the D_TOT_CPS channel of the Radiometrics V3 database, using a cell size of 35m.

TELLUS_Radiometric (Minc from V3 gdb, cellsize 35m) D_TOT_CPS_GRD_s

A sunshade of the Total Count generated using the Minimum Curvature interpolation method, from data contained within the D_TOT_CPS channel of the Radiometrics V3 database, using a cell size of 35m. Shading parameters (inclination = 45 degrees, declination = 0 degrees).

Data and Resources

Tellus Radiometric Grids - Geosoft FormatGeosoft Grid
This zip file contains a series of grids in Geosoft Grid format that were...
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Tellus Radiometric Grids - ESRI FormatEsri Grid
This zip file contains an ESRI Geodatabase with a series of grids that were...
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Tellus Radiometric Grids - ASCII FormatASCII Grid
This zip file contains a series of grids in ASCII format that were produced...
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Additional Info

Field	Value
Creation Date	November 19, 2018, 16:26 (UTC)
Topic Category	Geoscientific Information Imagery / Base Maps / Earth Cover
Lineage	Data were processed using Geosoft Oasis Montaj and supplied in three formats. Geosoft Grid ESRI Geodatabase ASCII Grid Please note that the presence of ‘Minc from V3 gdb, cellsize 35m’ in the grid filename indicates that the grid was generated using the Minimum Curvature interpolation method, from data contained within the Radiometrics V3 database, using a cell size of 35m.
Frequency of Update	Not Planned
Contact Name	Alex Donald
Contact Email	alex.donald@economy-ni.gov.uk
Additional Information	Information on survey, processing and data conditioning can be found in the following reports: A Guide to the Tellus Data edited by Young, M.E. and Donald, A.W. can be downloaded at http://nora.nerc.ac.uk/id/eprint/509171/ Beamish, D.; Cuss, R.J.; Lahti, M.; Scheib, C.; Tartaras, E.. 2006 The Tellus airborne geophysical survey of Northern Ireland : final processing report. Nottingham, UK, British Geological Survey, 74pp. (IR/06/136) (Unpublished) http://nora.nerc.ac.uk/7427/ Lahti, M.; Beamish, D.; Cuss, R.J.; Williams, J.. 2007 Deculturing of the Northern Ireland Tellus magnetic data. Nottingham, UK, British Geological Survey, 51pp. (IR/07/047) (Unpublished) http://nora.nerc.ac.uk/7570/ Beamish, D.; Cuss, R.J.; Lahti, M.. 2006 The Tellus Airborne Geophysical Survey of Northern Ireland. Phase 1, logistics report. Nottingham, UK, British Geological Survey, 55pp. (IR/06/032) (Unpublished) http://nora.nerc.ac.uk/7184/
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