Geophysical Data Interpretation Deliverables

The tables below present a comprehensive list of data and information products from the interpretation of the Sierra Leone Nationwide Airborne Geophysical Survey as delivered by the contractor, Xcalibur Airborne Geophysics (XAG) and certified by the QA/QC firm, Reid Geophysics Ltd (RGL). A PDF version of the tables below can be downloaded here.
Table 01: Raw SRTM and Landsat8 Data
ItemSubdirectoryNameFormatUnitsDescription
1Landsat8LC082000542019011601T1-SC20190703105907ZIP–Landsat 8 EROS/USGS scene package, wrs path 200, row 054, scene date 2019-01-16
2Landsat8LC082000552019011601T1-SC20190703105717ZIP–Landsat 8 EROS/USGS scene package, wrs path 200, row 055, scene date 2019-01-16
3Landsat8LC082010532013122401T1-SC20190703105754ZIP–Landsat 8 EROS/USGS scene package, wrs path 201, row 053, scene date 2013-12-24
4Landsat8LC082010542013122401T1-SC20190703105707ZIP–Landsat 8 EROS/USGS scene package, wrs path 201, row 054, scene date 2013-12-24
5Landsat8LC082010552013122401T1-SC20190703105722ZIP–Landsat 8 EROS/USGS scene package, wrs path 201, row 055, scene date 2013-12-24
6Landsat8LC082020532013123101T1-SC20190703113007ZIP–Landsat 8 EROS/USGS scene package, wrs path 202, row 053, scene date 2013-12-31
7Landsat8LC082020542013123101T1-SC20190703105655ZIP–Landsat 8 EROS/USGS scene package, wrs path 202, row 054, scene date 2013-12-31
8Landsat8LC082020552013123101T1-SC20190703105643ZIP–Landsat 8 EROS/USGS scene package, wrs path 202, row 055, scene date 2013-12-31
9SRTMn06_w012_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 6° West 12°
10SRTMn07_w011_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 7° West 11°
11SRTMn07_w012_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 7° West 12°
12SRTMn07_w013_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 7° West 13°
13SRTMn07_w014_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 7° West 14°
14SRTMn08_w011_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 8° West 11°
15SRTMn08_w012_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 8° West 12°
16SRTMn08_w013_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 8° West 13°
17SRTMn08_w014_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 8° West 14°
18SRTMn09_w011_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 9° West 11°
19SRTMn09_w012_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 9° West 12°
20SRTMn09_w013_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 9° West 13°
21SRTMn09_w014_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 9° West 14°
22SRTMn10_w012_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 10° West 12°
23SRTMn10_w013_1arc_v3_bilZIP–NASA SRTM Version 3.0 Global 1 arc second data package, tile location: North 10° West 13°
Table 02: Geophysical grids
ItemSubdirectoryNameFormatUnitsDescription
1MagneticsTMIGeosoft *.GRD, ERMapper *.ERSnTTotal magnetic intensity
2MagneticsANS/ASGeosoft *.GRD, ERMapper *.ERSnT/mAnalytic signal
3MagneticsRTEIGeosoft *.GRD, ERMapper *.ERSnTTMI reduced to the equator (inverted)
4RadiometricsDoseGeosoft *.GRD, ERMapper *.ERSnGy/hDose rate
5RadiometricsKGeosoft *.GRD, ERMapper *.ERS%Potassium
6RadiometricseThGeosoft *.GRD, ERMapper *.ERSppmEquivalent uranium
7RadiometricseUGeosoft *.GRD, ERMapper *.ERSppmEquivalent thorium
Table 03: Processed SRTM and Landsat8
ItemSubdirectoryNameFormatUnitsDescription
1LandsatL8_b2_sr_cmGeotiff *.TIF–Mosaicked Landsat 8 band 2, surface reflectance, cloud masked
2LandsatL8_b3_sr_cmGeotiff *.TIF–Mosaicked Landsat 8 band 3, surface reflectance, cloud masked
3LandsatL8_b4_sr_cmGeotiff *.TIF–Mosaicked Landsat 8 band 4, surface reflectance, cloud masked
4LandsatL8_b5_sr_cmGeotiff *.TIF–Mosaicked Landsat 8 band 5, surface reflectance, cloud masked
5LandsatL8_b6_sr_cmGeotiff *.TIF–Mosaicked Landsat 8 band 6, surface reflectance, cloud masked
6LandsatL8_b7_sr_cmGeotiff *.TIF–Mosaicked Landsat 8 band 7, surface reflectance, cloud masked
7LandsatL8_NDWI_cmGeotiff *.TIF–Mosaicked Landsat normalized difference water index, cloud masked
8LandsatL8_NDVI_cmGeotiff *.TIF–Mosaicked Landsat normalized difference vegetation index, cloud masked
9LandsatL8_True_ColorGeotiff *.TIF–Landsat 8 true colour composite (R:band 4, G: band 3, B: band 2), balanced contrast enhanced, cloud masked
10LandsatL8_B543Geotiff *.TIF–Landsat 8 false colour composite, vegetation infrared (R:band 5, G: band 4, B: band 3), balanced contrast enhanced, cloud masked
11LandsatL8_B764Geotiff *.TIF–Landsat 8 false colour composite, urban (R:band 7, G: band 6, B: band 4), balanced contrast enhanced, cloud masked
12SRTMSRTM_DEMGeotiff *.TIFmNASA SRTM Version 3.0 Global digital elevation model
13SRTMSRTM_AspGeotiff *.TIFdegSRTM slope facing direction (aspect)
14SRTMSRTM_SlpGeotiff *.TIFdegSRTM slope
15SRTMSRTM_CurvGeotiff *.TIF1/mSRTM profile curvature
16SRTMSRTM_GeomorphonGeotiff *.TIF–SRTM geomorphic phonotype
Table 04: Processed Geophysical Grids
ItemSubdirectoryNameFormatUnitsDescription
1MagneticsRTEI_1VDGeosoft *.GRD, ERMapper *.ERSnT/mFirst vertical derivative of RTEI
2MagneticsRTEI_2VDGeosoft *.GRD, ERMapper *.ERSnT/m^2Second vertical derivative of RTEI
3MagneticsRTEI_TDRGeosoft *.GRD, ERMapper *.ERSradiansVertical tilt angle from RTEI
4MagneticsRTEI_TDXGeosoft *.GRD, ERMapper *.ERSradiansHorizontal tilt angle from RTEI
5MagneticsRTEI_HGGeosoft *.GRD, ERMapper *.ERSnT/mTotal horizontal derivative of RTEI
6MagneticsRTEI_XGRADGeosoft *.GRD, ERMapper *.ERSnT/mX gradient of RTEI
7MagneticsRTEI_YGRADGeosoft *.GRD, ERMapper *.ERSnT/mY gradient of RTEI
8MagneticsRTEI_Up200Geosoft *.GRD, ERMapper *.ERSnTRTEI upward continuation, 200 m
9MagneticsRTEI_Up1000Geosoft *.GRD, ERMapper *.ERSnTRTEI upward continuation, 1000 m
10MagneticsRTEI_Up5000Geosoft *.GRD, ERMapper *.ERSnTRTEI upward continuation, 5000 m
11RadiometricsrUThGeosoft *.GRD, ERMapper *.ERS–Equivalent uranium/equivalent Thorium
12RadiometricsrUKGeosoft *.GRD, ERMapper *.ERSX 10^-4Equivalent uranium/potassium
13RadiometricsrThKGeosoft *.GRD, ERMapper *.ERSX 10^-4Equivalent thorium/potassium
14RadiometricsPCA1Geosoft *.GRD, ERMapper *.ERS–Principal component analysis, first component
15RadiometricsPCA2Geosoft *.GRD, ERMapper *.ERS–Principal component analysis, second component
16RadiometricsPCA3Geosoft *.GRD, ERMapper *.ERS–Principal component analysis, third component
Table 05: Processed Geophysical Images
ItemSubdirectoryNameFormatUnitsDescription
1MagneticsTMIGeotiff *.TIFnTTotal magnetic intensity
2MagneticsTMI_ssGeotiff *.TIFnTTotal magnetic intensity, sun shaded inclination 45°, declination 45°
3MagneticsASGeotiff *.TIFnT/mAnalytic signal
4MagneticsAS_ssGeotiff *.TIFnT/mAnalytic signal, sun shaded inclination 45°, declination 45°
5MagneticsRTEIGeotiff *.TIFnTTMI reduced to the equator (inverted)
6MagneticsRTEI_ssGeotiff *.TIFnTTMI reduced to the equator (inverted), sun shaded inclination 45°, declination 45°
7MagneticsRTEI_1VDGeotiff *.TIFnT/mFirst vertical derivative of RTEI
8MagneticsRTEI_1VD_ssGeotiff *.TIFnT/mFirst vertical derivative of RTEI, sun shaded
9MagneticsRTEI_1VD_bwGeotiff *.TIFnT/mFirst vertical derivative of RTEI, black and white
10MagneticsRTEI_2VDGeotiff *.TIFnT/m^2Second vertical derivative of RTEI
11MagneticsRTEI_2VD_ssGeotiff *.TIFnT/m^2Second vertical derivative of RTEI, sun shaded
12MagneticsRTEI_2VD_bwGeotiff *.TIFnT/m^2Second vertical derivative of RTEI, black and white
13MagneticsRTEI_TDRGeotiff *.TIFradiansTilt derivative of RTEI
14MagneticsRTEI_TDR_ssGeotiff *.TIFradiansTilt derivative of RTEI, sun shaded inclination 45°, declination 45°
15MagneticsRTEI_XGRADGeotiff *.TIFnT/mX gradient of RTEI
16MagneticsRTEI_XGRAD_ssGeotiff *.TIFnT/mX gradient of RTEI, sun shaded inclination 45°, declination 45°
17MagneticsRTEI_YGRADGeotiff *.TIFnT/mY gradient of RTEI
18MagneticsRTEI_YGRAD_ssGeotiff *.TIFnT/mY gradient of RTEI, sun shaded inclination 45°, declination 45°
19MagneticsRTEI_Up200Geotiff *.TIFnTRTEI upward continuation, 200 m
20MagneticsRTEI_Up1000Geotiff *.TIFnTRTEI upward continuation, 1000 m
21MagneticsRTEI_Up5000Geotiff *.TIFnTRTEI upward continuation, 5000 m
22MagneticsRTEI_Up200_residGeotiff *.TIFnTResidual of RTEI upward continuation, 200 m
23MagneticsRTEI_Up1000_residGeotiff *.TIFnTResidual of RTEI upward continuation, 1000 m
24MagneticsRTEI_Up5000_residGeotiff *.TIFnTResidual of RTEI upward continuation, 5000 m
25RadiometricsTernary CMYGeotiff *.TIF–Radiometric ternary image, CMY colour model
26RadiometricsTernary RGBGeotiff *.TIF–Radiometric ternary image, RGB colour model
27RadiometricsDoseGeotiff *.TIFnGy/hDose rate
28RadiometricsKGeotiff *.TIF%Potassium
29RadiometricseUGeotiff *.TIFppmEquivalent uranium
30RadiometricseThGeotiff *.TIFppmEquivalent thorium
31RadiometricsrUThGeotiff *.TIF–Equivalent uranium/equivalent thorium
32RadiometricsrUKGeotiff *.TIFX 10^-4Equivalent uranium/potassium
33RadiometricsrThKGeotiff *.TIFX 10^-4Equivalent thorium/potassium
Table 06: Semi-Automated Interpretation
ItemSubdirectoryNameFormatUnitsDescription
1Magnetic LineamentsSierra_Leone_CET_Lineament_EdgesShapefile *.SHP–Edges (contacts) derived from RTEi_TDX grid
2Magnetic LineamentsSierra_Leone_CET_Lineament_PeaksShapefile *.SHP–Peaks (positive responses) derived from RTEi_TDR grid
3Magnetic LineamentsSierra_Leone_CET_Lineament_TroughsShapefile *.SHP–Troughs (negative responses) derived from RTEi_TDR grid
4Keating Correlation CoefficientsSL_Keating_Correlation_ASIGShapefile *.SHP, Geosoft *.GDB–Keating correlation results from the analytic signal grid
5Keating Correlation CoefficientsSL_Keating_Correlation_TMIShapefile *.SHP, Geosoft *.GDB–Keating correlation results from the TMI grid
6Keating Correlation CoefficientsSL Keating Model GridsGeosoft *.GRD–Keating correlation coefficient model grids (TMI and AS) used in each sub-block
7Keating Correlation CoefficientsSL_Keating.mapGeosoft *.Map–Keating results as Geosoft MAP
8Keating Correlation CoefficientsSL_Keating_Readme_v3Word *.docx–Keating README file
9Keating Correlation CoefficientsKeating Channel DescriptionsText *.txt–channel descriptions for Keating GDB
Table 07: Depth Analysis Layers
ItemSubdirectoryNameFormatUnitsDescription
1SPISierraLeone_SPIGeosoft *.GDB–Database of calculated depth values and altimeter adjustments
2SPISPI Channel DescriptionsText *.txt–channel descriptions for SPI GDB
3SPISierraLeone_SPI_DepthGeosoft *.GRD, ERMapper *.ERS, Geotiff *.tif–Gridded SPI depth below ground surface
4EulerSierraLeone_Located_EulerGeosoft *.GDB–Database of Located Euler depth solutions
5EulerSierraLeone_Located_Euler_SI1Shapefile *.SHP–Shapefile of Located Euler depth solutions (SI=1)
6EulerSierraLeone_Located_Euler_SI2Shapefile *.SHP–Shapefile of Located Euler depth solutions (SI=2)
7EulerEuler deconvolution analysis summary_v3Word *.docx–Euler README file
8EulerEuler deconvolution Channel DescriptionsText *.txt–channel descriptions for Euler GDB
Table 08: 3D Inversions
ItemNameFormatUnitsDescription
1SierraLeone_VOXI.mapGeosoft *.Map–Packed Geosoft map of model block outlines and magnetic susceptibility at various depths and elevations
2SierraLeone_VOXI.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft packed map containing nine susceptibility models and MVI vectors, merged susceptibility model and isosurface
3SierraLeone_VOXI_Block_Models.zipZIP–VOXI MVI model sessions for each of the nine individual blocks
4SierraLeone_Nationwide_VOXI.mapGeosoft *.Map–Packed Geosoft map of the nationwide block outline and magnetic susceptibility at various depths and elevations
5SierraLeone_Nationwide_VOXI.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft packed map containing the nationwide susceptibility model, MVI vectors, and isosurface
6SierraLeone_Nationwide.geosoft_voxi.dataZIP–VOXI MVI model session for country wide inversion
7SL_VOXI_Regional_Readme_v3.docxWord *.docx–VOXI README file
8Bagbe Alkalic Complex.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Bagbe Alkali Complex
9Bagbe_Alkalic_Complex_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Bagbe Alkali Complex
10Freetown Layered Complex.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Freetown Complex
11Freetown_Layered_Complex_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Freetown Complex
12Gori Hills.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Gori Hills
13Gori_Hills_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Gori Hills
14Kambui Hills E.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Kambui Hills E
15Kambui Hills W.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Kambui Hills E
16Kambui_Hills_E_VOXI.mapGeosoft *.Map–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Kambui Hills W
17Kambui_Hills_W_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Kambui Hills W
18Lake Mabesi.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for Lake Mabesi
19Lake_Mabesi_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for Lake Mabesi
20Loko Hills.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Loko Hills
21Loko_Hills_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Loko Hills
22Magburaka.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Magburaka area
23Magburaka_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for Magburaka area
24Nimini Hills.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Nimini Hills
25Nimini_Hills_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Nimini Hills
26Okra Hills.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Okra Hills
27Okra_Hills_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Okra Hills
28Pendembu.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Pendembu area
29Pendembu_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Pendembu area
30Sembehun.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Sembehun
31Sembehun_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Sembehun area
32Tonkolili.geosoft_3dvGeosoft *.geosoft_3dv–Geosoft 3D packed map containing the susceptibility model, MVI vectors, and isosurface for the Tonkolili area
33Tonkolili_VOXI.mapGeosoft *.Map–Geosoft 2D packed map containing the block outline and magnetic susceptibility at various depths and elevations for the Tonkolili area
34High_Resolution_VOXI_ModelsZIP–VOXI MVI model sessions for each of the 17 individual blocks
35SL_VOXI_Target_Readme_v3Word *.docx–Target Area VOXI README file
Table 09: Interpretation Maps PDF
ItemSubdirectoryNameFormatUnitsDescription
1250kGeophysical Interpretation – Basement Geology FreetownPDF–Basement geology interpretation map, Freetown sheet, 1:250,000
2250kGeophysical Interpretation – Basement Geology GbangbamaPDF–Basement geology interpretation map, Gbangbama sheet, 1:250,000
3250kGeophysical Interpretation – Basement Geology PujehunPDF–Basement geology interpretation map, Pujehun sheet, 1:250,000
4250kGeophysical Interpretation – Basement Geology MoyambaPDF–Basement geology interpretation map, Moyamba sheet, 1:250,000
5250kGeophysical Interpretation – Surficial Geology BatkanuPDF–Surficial geology interpretation map, Batkanu sheet, 1:250,000
6250kGeophysical Interpretation – Surficial Geology DaruPDF–Surficial geology interpretation map, Daru sheet, 1:250,000
7250kGeophysical Interpretation – Surficial Geology FreetownPDF–Surficial geology interpretation map, Freetown sheet, 1:250,000
8250kGeophysical Interpretation – Surficial Geology GbangbamaPDF–Surficial geology interpretation map, Gbangbama sheet, 1:250,000
9250kGeophysical Interpretation – Surficial Geology KabalaPDF–Surficial geology interpretation map, Kabala sheet, 1:250,000
10250kGeophysical Interpretation – Surficial Geology KissiduguPDF–Surficial geology interpretation map, Kissidugu sheet, 1:250,000
11250kGeophysical Interpretation – Surficial Geology MagburakaPDF–Surficial geology interpretation map, Magburaka sheet, 1:250,000
12250kGeophysical Interpretation – Surficial Geology MoyambaPDF–Surficial geology interpretation map, Moyamba sheet, 1:250,000
13250kGeophysical Interpretation – Surficial Geology PendembuPDF–Surficial geology interpretation map, Pendembu sheet, 1:250,000
14250kGeophysical Interpretation – Surficial Geology PujehunPDF–Surficial geology interpretation map, Pujehun sheet, 1:250,000
15750kGeophysical Interpretation – Basement Geology Sierra LeonePDF–Basement geology interpretation map, countrywide, 1:750,000
16750kGeophysical Interpretation – Surficial Geology Sierra LeonePDF–Surficial geology interpretation map, countrywide, 1:750,000
17500kFavourability Map for BauxitePDF–Bauxite Favourability Map, countrywide, 1:500,00
18500kFavourability Map for GoldPDF–Gold Favourability Map, countrywide, 1:500,00
19500kFavourability Map for IronPDF–Iron Favourability Map, countrywide, 1:500,00
20500kFavourability Map for KimberlitesPDF–Kimberlites Favourability Map, countrywide, 1:500,00
21500kFavourability Map for NickelPDF–Nickel Favourability Map, countrywide, 1:500,00
22500kFavourability Map for RutilePDF–Rutile Favourability Map, countrywide, 1:500,00
Table 10: Kimberlite Targets
ItemSubdirectoryNameFormatUnitsDescription
1–east_picksGeosoft *.GDB–East block targets
2–west_picksGeosoft *.GDB–West block targets
3–Kimberlite_TargetsShapefile *.SHP–Country wide targets
4–Kimberlite Targets Channel DescriptionText *.txt–Channel descriptions for east/west/shapefile/appendix
5–Kimberlite Targeting Report_v3aWord *.docx, PDF–Targeting report (pdf)
5–Appendix 1Excel *.xlsx–Targets
Table 11: Mineral Favourability
ItemSubdirectoryNameFormatUnitsDescription
1–Bauxite_FavourabilityERMapper *.ERS, Geotiff *.TIF%Bauxite favourability
2–Gold_FavourabilityERMapper *.ERS, Geotiff *.TIF%Gold favourability
3–Nickel_FavourabilityERMapper *.ERS, Geotiff *.TIF%Nickel favourability
4–Rutile_FavourabilityERMapper *.ERS, Geotiff *.TIF%Rutile favourability
5–Fe_TargetsShapefile *.SHP–Iron targets
6–README_v3Word *.docx–Mineral favourability readme
Table 12 & 13: Report & Interpretation Maps
ItemSubdirectoryNameFormatUnitsDescription
1–Sierra Leone Interpretation Report_v3Word *.docx, PDF–Interpretation report
2–Interpretation Maps GISZIP–ArcGIS MXD package
3–SL_Interpretation Maps GIS_Readme_v2Word *.docx–Readme file
Table 14: Master GIS
ItemSubdirectoryNameFormatUnitsDescription
1–GeologyZIPGeology vector and geotiff images, NMA mineral occurrence database
2–Geophysical GridsZIPGeophysical grids
3–Geophysical ImagesZIPGeophysical grid images
4–Geophysical Interpretation – Master GIS Sierra Leone_10.0ESRI MXDArcGIS v10.0 MXD project file
5–Geophysical Interpretation – Master GIS Sierra Leone_10.3ESRI MXDArcGIS v10.3 MXD project file
6–Geophysical Interpretation – Master GIS Sierra Leone_10.8.1ESRI MXDArcGIS v10.8.1 MXD project file
7–Geophysical InterpretationZIPGeophysical interpretation vectors
8–Geophysical LayersZIPManual and semi-automated geophysical interpretation vectors
9–IndexZIPSurvey and sheet index maps
10–LogosZIPCompany logos
11–PlanimetryZIPPlanimetry
12–SL_Master GIS_ReadmeWord *.docxReadme file