H0002 Version 4 H0003 Date_generated 18-Dec-16 H0004 Reporting_period_end_date 19-Oct-16 H0005 State NT H0100 Tenement_no/Combind_report_no EL22821 H0101 Tenement_holder Alcoa of Australia Limited H0102 Project_name Elcho Island, Arnhem Land H0106 Tenement_operator Alcoa of Australia Limited H0150 250K_map_sheet_number SC5315 H0151 100K_map_sheet_number 6074 H0152 50K_map_sheet_number H0153 25K_map_sheet_number H0200 Start_date_of_data_acquisition 20-Oct-15 H0201 End_date_of_data_acquisition 19-Oct-16 H0202 Data_format QG4 H0203 Number_of_data_records 3 H0204 Date_of_metadata_update 18-Dec-16 H0300 Related_data_file H0301 Location_data_file EL22821_2016_AF_03_DrillCollars.txt H0302 Lithology_data_file EL22821_2016_AF_04_Lithologs.txt H0303 Assay_data_file EL22821_2016_AF_05_DownholeGeochem.txt H0304 Survey_data_file H0305 SurfGeochem_Data_File H0307 Lithology_code_file EL22821_2016_AF_07_LithologyCodes.txt H0308 File verification List EL22821_2016_AF_09_Filelisting.txt H0310 Water_data_file H0311 Water data incl in lithology file No H0313 Alteration_data_file H0314 Magsusc_data_file H0315 Vein_data_file H0316 Recovery_data_file H0317 Weathering_data_file H0318 DHQAQC_data_file EL22821_2016_AF_06_QAQCGeochem.txt H0319 SURFQAQC_data_file H0320 Other event_data_file H0400 Drill_code Vac H0401 Drill_contractor Yearlong H0402 Description Vacuum H0500 Feature_located Drillhole_collar H0501 Geodetic_datum GDA94 H0502 Vertical_datum AHD H0503 Projection Map Grid of Australia (MGA) H0508 Local Grid Name H0530 Coordinate_system Projected H0531 Projection_zone 53 H0532 Surface_Location_Survey_Instrument GPS H0533 Surface_Location_Survey_Company Alcoa H0600 Sample_Code VC H0601 Sample_Type Vacuum chips H0602 Sample_description 0.5m Vacuum Chip Samples H0700 Sample_Prep_Code PRC H0701 Sample_Prep_Desc Bella Robotic, Mill to 85% passing 180um H0702 Job_no P139 H0800 Assay_code LS:FTIR LS:REF H0801 Assay_company KML:Mining Laboratory, Kwinana KML:Mining Laboratory, Kwinana H0802 Assay_description Fourier Transformed Infra Red Reference methods, Alcoa Mining Laboratory, Kwinana, 2015 H0900 Remarks Upper detection limits are based on instrument calibration and concentrations above this are reported to indicate levels outside the normal range. H1000 LAB job No Sample ID QA/QC Type QA/QC descp Standard_ID Original_Sample AL SI FE CO EO OX SU PT ST AT H1001 NA NA NA NA NA NA % % % ppt ppt ppt ppt % % % H1002 REF REF REF REF REF REF REF REF REF REF H1003 0.2 0.2 0.2 0.2 0.1 0.02 0.4 0.01 0.5 0.2 H1004 0 0 0 0 0 0 0 0 0 0.1 0.1 0.01 0.1 0 0 0 H1005 44.5 13 80 34 4 3 11 0.9 70 65 H1006 P P P P P P P P P P H1007 KML KML KML KML KML KML KML KML KML KML D P139 D664049 LDUP Lab duplicate D664049 0 17.6 32.6 0 0.4 0.05 0.7 0.06 32 22.7 D P139 D664419 LDUP Lab duplicate D664419/2 0 20.6 9.5 0 0.5 0.05 0.9 0.05 56.6 22.3 D P139 D664430 LDUP Lab duplicate D664430/2 0 23.4 12.4 0 0.3 0 0.9 0.04 44.3 25.3