===================================================================== Project: TASMANIA 2001 Survey name: Area C - Western Tasmania. Area E - D'Aguilar Range. ===================================================================== Co-ordinates of the vertices of Area C. Projection: TMAMG55, Datum AGD66 mE mN 360000.0 5440000.0 360000.0 5450000.0 389000.0 5450000.0 389000.0 5430000.0 421000.0 5430000.0 421000.0 5420000.0 445000.0 5420000.0 445000.0 5390000.0 416000.0 5390000.0 416000.0 5397000.0 410000.0 5397000.0 410000.0 5392000.0 398000.0 5388000.0 398000.0 5385600.0 407000.0 5384600.0 405000.0 5373600.0 397000.0 5368000.0 390000.0 5368000.0 393500.0 5349000.0 403000.0 5347000.0 399000.0 5336000.0 395000.0 5336000.0 395000.0 5325000.0 388000.0 5325000.0 388000.0 5310000.0 380000.0 5310000.0 380000.0 5314000.0 374000.0 5315091.0 374000.0 5340000.0 353787.0 5340000.0 353500.0 5345000.0 335500.0 5369000.0 329000.0 5380000.0 351500.0 5380000.0 351500.0 5404000.0 341000.0 5410000.0 341000.0 5437000.0 338000.0 5440000.0 360000.0 5440000.0 Co-ordinates of the vertices of Area E. Projection: TMAMG55, Datum AGD66 mE mN 379000.0 5292000.0 387000.0 5292000.0 393181.0 5275000.0 379000.0 5275000.0 379000.0 5292000.0 ------------------------------------------------------------------------- ========================================================================= LOCATED DATA FILES ========================================================================= Data type: Final ASCII ASEG GDF2 located data Archive Media: CDs (Joliet format) DATA FILE CONTENTS: ------------------ Area C - Western Tasmania.: ---------------------------- AREA_C_MAG_Trav1.dat ( magnetic data for lines 10011 - 11601) AREA_C_MAG_Trav2.dat ( magnetic data for lines 11611 - 12601) AREA_C_MAG_Trav3.dat ( magnetic data for lines 12611 - 14001) AREA_C_MAG_Trav4.dat ( magnetic data for lines 14011 - 15401) AREA_C_MAG_Trav5.dat ( magnetic data for lines 15411 - 17371) AREA_C_MAG_Ties.dat ( magnetic data for tie lines) AREA_C_RAD_Trav.dat ( radiometric data for all lines) AREA_C_RAD_Ties.dat ( radiometric data for tie lines) AREA_C_RAD256_Trav1.dat ( radiometric data for lines 10011 - 11601) AREA_C_RAD256_Trav2.dat ( radiometric data for lines 11611 - 12601) AREA_C_RAD256_Trav3.dat ( radiometric data for lines 12611 - 14001) AREA_C_RAD256_Trav4.dat ( radiometric data for lines 14011 - 15401) AREA_C_RAD256_Trav5.dat ( radiometric data for lines 15411 - 17371) AREA_C_RAD256_Ties.dat ( radiometric data for tie lines) Area E - D'Aguilar Range. ---------------------------- AREA_E_MAG.dat (magnetic data for all lines) AREA_E_RAD.dat (radiometric data for all lines) AREA_E_RAD256.dat (radiometric 256 data for all lines) Test Lines - complete survey. ---------------------------- TESTLINES_MAG.dat (magnetic data for test lines) TESTLINES_RAD256.dat (radiometric 256 data for test lines) ========================================================================= MAGNETIC LOCATED DATA FORMAT ========================================================================= ------------------------------------------------------------------------- Field Null Value Description ------------------------------------------------------------------------- Column 1 99999 line number Column 2 999 flight Column 3 99999999 date (YYYYMMDD) Column 4 9999999 julian_day (YYYYDDD) Column 5 999999 fiducial Column 6 99.99999 time (decimal hours) Column 7 999999.99 AGD66 easting (metres, TMAMG Zone 55) Column 8 9999999.99 AGD66 northing (metres, TMAMG Zone 55) Column 9 999999.99 GDA94 easting (metres, MGA Zone 55) Column 10 9999999.99 GDA94 northing (metres, MGA Zone 55) Column 11 999.99999999 GDA94 longitude (decimal degrees, GEODETIC) Column 12 -99.99999999 GDA94 latitude (decimal degrees, GEODETIC) Column 13 99999.999 Raw uncompensated magnetics (nanoTeslas) Column 14 99999.999 Compensated magnetics (nanoTeslas) Column 15 99999.999 Diurnal & IGRF corrected magnetics (nanoTeslas) Column 16 99999.999 Levelled magnetics (nanoTeslas) Column 17 99999.999 Final magnetics microlevelled(nanoTeslas) Column 18 999999.99 Diurnal (nanoTeslas) Column 19 999999.99 IGRF (nanoTeslas) Column 20 9999.9 Final digital terrain model (metres, AHD) Column 21 9999.9 Final barometric pressure (millibars) Column 22 9999.9 Final radar altimeter (metres) Column 23 9999.9 Final barometric pressure (metres) Column 24 9999.9 Final gps height (metres) Column 25 999.9 Final temperature (degrees celsius) Column 26 9 Data used_flag (0=unused, 1=used) ----------------------------------------------------------------------- ASEG GDF2 .dfn FILE FOR MAGNETIC LOCATED DATA: ----------------------------------------------------------------------- DEFN 1 ST=RECD,RT=;lineNumber_FINAL:I6:NULL=99999 DEFN 2 ST=RECD,RT=;FlightNumber:I4:NULL=999 DEFN 3 ST=RECD,RT=;Date_YYYYMMDD:I9:NULL=99999999 DEFN 4 ST=RECD,RT=;JulianDay_YYYYDDD:I8:NULL=9999999 DEFN 5 ST=RECD,RT=;Fiducial:I7:NULL=999999 DEFN 6 ST=RECD,RT=;Local_Time_DecHrs:F9.5:NULL=99.99999 DEFN 7 ST=RECD,RT=;AGD66TMAMG55_EAST:F10.2:NULL=999999.99 DEFN 8 ST=RECD,RT=;AGD66TMAMG55_NORTH:F11.2:NULL=9999999.99 DEFN 9 ST=RECD,RT=;GDA94MGA55_EAST:F10.2:NULL=999999.99 DEFN 10 ST=RECD,RT=;GDA94MGA55_NORTH:F11.2:NULL=9999999.99 DEFN 11 ST=RECD,RT=;GDA94GEODETIC_LAT:F13.8:NULL=999.99999999 DEFN 12 ST=RECD,RT=;GDA94GEODETIC_LONG:F13.8:NULL=-99.99999999 DEFN 13 ST=RECD,RT=;Magnetics_Raw_Uncompensated:F10.3:NULL=99999.999 DEFN 14 ST=RECD,RT=;Magnetics_Compensated:F10.3:NULL=99999.999 DEFN 15 ST=RECD,RT=;Magnetics_DiurnalIGRFCorrected:F10.3:NULL=99999.999 DEFN 16 ST=RECD,RT=;Magnetics_levelled:F10.3:NULL=99999.999 DEFN 17 ST=RECD,RT=;Magnetics_Final_microlevelled:F10.3:NULL=99999.999 DEFN 18 ST=RECD,RT=;Diurnal:F11.2:NULL=999999.99 DEFN 19 ST=RECD,RT=;IGRF:F11.2:NULL=999999.99 DEFN 20 ST=RECD,RT=;Digital_Terrain_Model_AHD_metres:F7.1:NULL=9999.9 DEFN 21 ST=RECD,RT=;Pressure_Millibars:F7.1:NULL=9999.9 DEFN 22 ST=RECD,RT=;Radar_Altimeter_metres:F7.1:NULL=9999.9 DEFN 23 ST=RECD,RT=;Barometric_Height_metres:F7.1:NULL=9999.9 DEFN 24 ST=RECD,RT=;GPS_Height_metres:F7.1:NULL=9999.9 DEFN 25 ST=RECD,RT=;Temperature_DegC:F6.1:NULL=999.9 DEFN 26 ST=RECD,RT=;Data_Used_yes1:I2:NULL=9;END DEFN ======================================================================= RADIOMETRIC LOCATED DATA FORMAT: ======================================================================= ----------------------------------------------------------------------- Field Null Value Description ----------------------------------------------------------------------- Column 1 99999 line number Column 2 999 flight Column 3 99999999 date (YYYYMMDD) Column 4 9999999 julian_day (YYYYDDD) Column 5 999999 fiducial Column 6 99.99999 time (decimal hours) Column 7 999999.99 AGD66 easting (metres, AMG Zone 55) Column 8 9999999.99 AGD66 northing (metres, AMG Zone 55) Column 9 999999.99 GDA94 easting (metres, MGA Zone 55) Column 10 9999999.99 GDA94 northing (metres, MGA Zone 55) Column 11 999.99999999 GDA94 longitude (decimal degrees, GEODETIC) Column 12 -99.99999999 GDA94 latitude (decimal degrees, GEODETIC) Column 13 99999.999 Final magnetics (nanoTeslas) Column 14 999.99 live time (milliseconds) Column 15 9999 Cosmic_background (cps) Column 16 9999 Raw potassium (cps) Column 17 9999 Raw uranium (cps) Column 18 9999 Raw thorium (cps) Column 19 99999 Raw total count (cps) Column 20 9999.999 Final Potassium_percent Column 21 9999.999 Final Uranium ppm Column 22 9999.999 Final Thorium (ppm) Column 23 99999.999 Final Total Count (nG/h) Column 24 9999.9 Final digital terrain model (metres, AHD) Column 25 9999.9 Final barometric pressure (metres) Column 26 9999.9 Final barometric pressure (millibars) Column 27 9999.9 Effective_STP_Height_metres Column 28 9999.9 Final radar altimeter (metres) Column 29 9999.9 Final gps height (metres) Column 30 999.9 Final temperature (degrees celsius) Column 31 9 Data used_flag (0=unused, 1=used) ----------------------------------------------------------------------- ASEG GDF2 .dfn FILE FOR RADIOMETRIC LOCATED DATA: ----------------------------------------------------------------------- DEFN 1 ST=RECD,RT=;lineNumber_FINAL:I6:NULL=99999 DEFN 2 ST=RECD,RT=;FlightNumber:I4:NULL=999 DEFN 3 ST=RECD,RT=;Date_YYYYMMDD:I9:NULL=99999999 DEFN 4 ST=RECD,RT=;JulianDay_YYYYDDD:I8:NULL=9999999 DEFN 5 ST=RECD,RT=;Fiducial:I7:NULL=999999 DEFN 6 ST=RECD,RT=;Local_Time_DecHrs:F9.5:NULL=99.99999 DEFN 7 ST=RECD,RT=;AGD66TMAMG55_EAST:F10.2:NULL=999999.99 DEFN 8 ST=RECD,RT=;AGD66TMAMG55_NORTH:F11.2:NULL=9999999.99 DEFN 9 ST=RECD,RT=;GDA94MGA55_EAST:F10.2:NULL=999999.99 DEFN 10 ST=RECD,RT=;GDA94MGA55_NORTH:F11.2:NULL=9999999.99 DEFN 11 ST=RECD,RT=;GDA94GEODETIC_LAT:F13.8:NULL=999.99999999 DEFN 12 ST=RECD,RT=;GDA94GEODETIC_LONG:F13.8:NULL=-99.99999999 DEFN 13 ST=RECD,RT=;Magnetics_Final_microlevelled:F10.3:NULL=99999.999 DEFN 14 ST=RECD,RT=;live_time_milliseconds:F6.0:NULL=99999 DEFN 15 ST=RECD,RT=;Cosmic_background_cps:F5.0:NULL=9999 DEFN 16 ST=RECD,RT=;Raw_potassium_cps:F5.0:NULL=9999 DEFN 17 ST=RECD,RT=;Raw_uranium_cps:F5.0:NULL=9999 DEFN 18 ST=RECD,RT=;Raw_thorium_cps:F5.0:NULL=9999 DEFN 19 ST=RECD,RT=;Raw_total_cps:F5.0:NULL=99999 DEFN 20 ST=RECD,RT=;Final_Potassium_percent:F8.4:NULL=999.9999 DEFN 21 ST=RECD,RT=;Final_Uranium_ppm:F8.4:NULL=999.9999 DEFN 22 ST=RECD,RT=;Final_Thorium_ppm:F8.4:NULL=999.9999 DEFN 23 ST=RECD,RT=;Final_Total_Count_nGh:F9.3:NULL=99999.999 DEFN 24 ST=RECD,RT=;Digital_Terrain_Model_metres:F7.1:NULL=9999.9 DEFN 25 ST=RECD,RT=;Barometric_Height_metres:F7.1:NULL=9999.9 DEFN 26 ST=RECD,RT=;Pressure_Millibars:F7.1:NULL=9999.9 DEFN 27 ST=RECD,RT=;Effective_STP_Height_metres:F7.1:NULL=9999.9 DEFN 28 ST=RECD,RT=;Radar_Altimeter_metres:F7.1:NULL=9999.9 DEFN 29 ST=RECD,RT=;GPS_Height_metres:F7.1:NULL=9999.9 DEFN 30 ST=RECD,RT=;Temperature_DegC:F6.1:NULL=999.9 DEFN 31 ST=RECD,RT=;Data_Used_yes1:I2:NULL=9;END DEFN *************************************************************************** Radiometric 256 channel Data: ============================= Files: 2016Rad256.LDT.dat 2016Rad256.LDT.dfn Format: ASEG GDF2 : ASCII Columns Null: -999 ----------------------------------------------------------- Field Description ----------------------------------------------------------- Line_Number Line number (1000+ for Traverses, 7000+ for Tie Lines ) Fiducial Fiducial Geo Instruments system Time_Seconds Time (Decimal Hours) Julian Julian_day (DDD, year 2000) Y1 Northing ( WGS84 metres, SUTM55) X1 Easting ( WGS84 metres, SUTM55) Y2 Northing ( GDA94 metres, MGA55) X2 Easting ( GDA94 metres, MGA55) Y3 Northing ( ISG553 metres, TMAMG55) X3 Easting ( ISG553 metres, TMAMG55) Radalt Radar altimeter (metres) Baroalt Baroalt (raw) Temperature Temperature (deg C) LiveTime System livetime (milliseconds) Cosmic Cosmic (counts ) Potas_Raw Potassium Raw (counts) Thor_Raw Thorium Raw (counts) Uran_Raw Uranium Raw (counts) Totalc_Raw Total count Raw (counts) Potas_Corrected Potassium Corrected (Percent) Thor_Corrected Thorium Corrected (PPM) Uran_Corrected Uranium Corrected (PPM) Totalc_Corrected Total count Corrected (counts) TMI_FINAL Final magnetics (microlevelled) (nanoTeslas) DTM_FINAL Final digital terrain model (metres) Spectrum GR820 257 channel radiometric spectrum (counts) --------------------------------------------------------------------------- AGEG GDF2 format '.dfn' file included for Radiometric 256 channel data: --------------------------------------------------------------------------- DEFN 1 ST=RECD,RT=;lineNumber_FINAL:I6:NULL=99999 DEFN 2 ST=RECD,RT=;flight:I4:NULL=999 DEFN 3 ST=RECD,RT=;Date_YYYYMMDD:I9:NULL=99999999 DEFN 4 ST=RECD,RT=;JulianDay_YYYYDDD:I8:NULL=9999999 DEFN 5 ST=RECD,RT=;Fiducial:I7:NULL=999999 DEFN 6 ST=RECD,RT=;Local_Time_DecHrs:F9.5:NULL=99.99999 DEFN 7 ST=RECD,RT=;AGD66TMAMG55_EAST:F10.2:NULL=999999.99 DEFN 8 ST=RECD,RT=;AGD66TMAMG55_NORTH:F11.2:NULL=9999999.99 DEFN 9 ST=RECD,RT=;GDA94MGA55_EAST:F10.2:NULL=999999.99 DEFN 10 ST=RECD,RT=;GDA94MGA55_NORTH:F11.2:NULL=9999999.99 DEFN 11 ST=RECD,RT=;GDA94GEODETIC_LAT:F13.8:NULL=999.99999999 DEFN 12 ST=RECD,RT=;GDA94GEODETIC_LONG:F13.8:NULL=-99.99999999 DEFN 13 ST=RECD,RT=;Magnetics_Final_microlevelled:F10.3:NULL=99999.999 DEFN 14 ST=RECD,RT=;live_time_milliseconds:F6.0:NULL=99999 DEFN 15 ST=RECD,RT=;Cosmic_background_cps:F5.0:NULL=9999 DEFN 16 ST=RECD,RT=;Raw_potassium_cps:F5.0:NULL=9999 DEFN 17 ST=RECD,RT=;Raw_uranium_cps:F5.0:NULL=9999 DEFN 18 ST=RECD,RT=;Raw_thorium_cps:F5.0:NULL=9999 DEFN 19 ST=RECD,RT=;Raw_total_cps:F5.0:NULL=99999 DEFN 20 ST=RECD,RT=;Final_Potassium_percent:F8.4:NULL=999.9999 DEFN 21 ST=RECD,RT=;Final_Uranium_ppm:F8.4:NULL=999.9999 DEFN 22 ST=RECD,RT=;Final_Thorium_ppm:F8.4:NULL=999.9999 DEFN 23 ST=RECD,RT=;Final_Total_Count_nGh:F9.3:NULL=99999.999 DEFN 24 ST=RECD,RT=;Digital_Terrain_Model_Meters:F7.1:NULL=9999.9 DEFN 25 ST=RECD,RT=;Barometric_Height_Meters:F7.1:NULL=9999.9 DEFN 26 ST=RECD,RT=;Pressure_Millibars:F7.1:NULL=9999.9 DEFN 27 ST=RECD,RT=;Effective_STP_Height_meters:F7.1:NULL=9999.9 DEFN 28 ST=RECD,RT=;Radar_Altimeter_Meters:F7.1:NULL=9999.9 DEFN 29 ST=RECD,RT=;GPS_Height_Meters:F7.1:NULL=9999.9 DEFN 30 ST=RECD,RT=;Temperature_DegC:F6.1:NULL=999.9 DEFN 31 ST=RECD,RT=;Data_Used_yes1:I2:NULL=9;END DEFN DEFN 32 ST=RECD,RT=;spectrum:I5:NULL=-999 DEFN 33 ST=RECD,RT=;spectrum:I5:NULL=-999 DEFN 34 ST=RECD,RT=;spectrum:I5:NULL=-999 ..... ..... ..... DEFN 289 ST=RECD,RT=;spectrum:I5:NULL=-999;END DEFN ======================================================================= GRIDDED DATA FILES: ======================================================================= Format: ER Mapper Cell size: 40 metres Datum: AGD66 Projection: TMAMG Zone: 55 Files: TMI..GRID Total magnetic intensity (nanoTeslas) TMI_1VD..GRID First vertical derivative TMI (nT/m) DTM..GRID Digital terrain model (metres) Potassium_Perc..GRID Potassium (percent) Thorium_PPM..GRID Thorium (ppm) Uranium_PPM..GRID Uranium (ppm) TotalC_Ngph..GRID Total Dose Rate (Ngph) Radar_Altimeter..GRID Radar_Altimeter (metres) ====================================================================== QC PLOT FILES: ====================================================================== Format: HPGL2 Files: AREA C - Western Tasmania. FIELD QC MAPS: ------------------------------------------- 100K_TAS_N_4thDIFF.prn 100K_TAS_N_Flight_FieldLines.prn 100K_TAS_N_Misclosure.prn 100K_TAS_N_Radalt.prn 100K_TAS_S_4thDIFF.prn 100K_TAS_S_Flight_FieldLines.prn 100K_TAS_S_Misclosure.prn 100K_TAS_S_Radalt.prn 200K_TAS_NS_Flight_FieldLines.prn AREA C - Western Tasmania. FINAL QC MAPS: ------------------------------------------- 100K_TAS_N_Flight_FinalLines.prn 100K_TAS_S_Flight_FinalLines.prn 250K_Tas_1VD_Sun.prn 250K_Tas_DTM_Sun.prn 250K_Tas_Potas_Sun.prn 250K_Tas_RGB.prn 250K_Tas_TMI_Sun.prn 250K_Tas_Thor_Sun.prn 250K_Tas_TotalC_Sun.prn 250K_Tas_Uran_Sun.prn AREA E - D'Aguilar Range. FIELD QC MAPS: ------------------------------------------- 50K_TAS_SmallA_4thDIFF.prn 50K_TAS_SmallA_Flight_Fieldlines.prn 50K_TAS_SmallA_Misclosure.prn 50K_TAS_SmallA_Radalt.prn AREA E - D'Aguilar Range. FINAL QC MAPS: ------------------------------------------- 100K_TAS_DTM_Sun.prn 100K_TAS_Flight_FinalLines.prn 100K_TAS_Potas_Sun.prn 100K_TAS_RGB.prn 100K_TAS_TMI_1VD_Sun.prn 100K_TAS_TMI_Sun.prn 100K_TAS_Thor_Sun.prn 100K_TAS_Tot_Sun.prn 100K_TAS_Uran_Sun.prn ------------------------------------------------------------------------------- DATA ACQUISITION ------------------------------------------------------------------------------- AIRBORNE SURVEY SPECIFICATIONS Survey flown: January 2001 - March 2001 Traverse line spacing: 200 metres Traverse line direction: 090/270 degrees Tie line spacing: 2000 metres Tie line direction: 000/180 degrees Survey height: Magnetometer on boom at 80m agl Spectrometer detector in aircraft at 80m agl Data acquisition: Geo Instruments Model G2001 system Aircraft: Bell 206BIII helicopter VH-JWF MAGNETOMETER Type: Geometrics G822A Caesium vapour Resolution: 0.001 nT Recording interval: 0.1 sec (approx. 3.0 metres sampling) Compensation: RMS AADCII real time system Installation: Magnetometer mounted on forward boom GAMMA SPECTROMETER Type: Exploranium GR820 256 channel Crystal volume: Downward looking 16.8 litres Recording interval: 1.0 sec (approx. 30 metres sampling) Spectral windows IAEA: Window Range Energy (MeV) From To From To Total Count: 34 233 0.41 2.81 Potassium (K40): 115 131 1.37 1.57 Uranium (Bi214): 139 155 1.66 1.86 Thorium (Tl208): 202 233 2.41 2.81 Cosmic: - - 3.00 >6.00 Calibration: Real-time automatic gain stabilisation based on tracking of the Thorium peak NAVIGATION Flight path navigation: Real time satellite Differential GPS system Navigation equipment: Fugro OMNISTAR GPS receivers Flight path record: WGS84 Easting/ Northing coordinates converted to AGD66 XY coordinates Radar altimeter: Collins Alt50 DGPS base station: Fugro OMNISTAR(Wide Area Network) DATA PROCESSING MAGNETIC DATA The magnetic data has been corrected for regional gradient by subtraction of IGRF model 2001.2 and secular variation model 1995-2000. Diurnal variations have been removed. System parallax has been removed. Tieline levelling has been applied. Microlevelling has been applied. The mean diurnal value and the IGRF base value have been added to the data. GAMMA SPECTROMETRIC DATA NASVD noise reduction applied using 4 retained components Live time corrected Cosmic and aircraft background removed Radon correction method: Spectral ratioing C1= 1.90 C2= 0.65 Temperature and pressure corrected Compton stripping: VH-JWF Alpha: 0.2728 Beta: 0.4435 Gamma: 0.7861 Height attenuated to: 73 metres mean terrain clearance VH-JWF Total count: 0.00630/metre Potassium count: 0.00910/metre Uranium count: 0.00510/metre Thorium count: 0.00730/metre Sensitivity constants: VH-JWF Total Count - 1ngray/hr: 19.97 cps Potassium - 1%: 76.00 cps Uranium - 1ppm: 6.88 cps Thorium - 1ppm: 4.20 cps Calibration ranges: Bruthen Range (hovering) Londonderry, NSW (CSIRO pads) GRIDDING Algorithm: Akima spline Grid mesh size: 40 x 40 metres Grid filter: None LINE NUMBERING Line numbers are in the form 'AbcdE' where A = Line type (1 = traverse, 7 = tie, 9 = test) bcd = line sequence number E = line attempt number eg: 10021 is traverse line 2 attempt 1 70482 is tie lie 48 attempt 2 91161 is the first test line from flight 116 TECHNICAL SUPERVISION Mineral Resources Tasmania, & Geo Instruments Pty Ltd. BIBLIOGRAPHIC REFERENCE Surveyed by: GeoInstruments Pty Ltd, SYDNEY Geo Instruments job number: 2101 Processed by: GeoInstruments Pty Ltd Grid production by: GeoInstruments Pty Ltd