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

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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