I INTUSIVES V VOLCANICS S SEDIMENTS M METAMORPHICS R REGOLITH A Alteration Classification VP Porphyry Veins Code Geological Formation International Nickel Code IG GRANITOIDS VF FELSIC VOLCANIC SS SILICICLASTIC SEDIMENTS MP Phyllite/Pelite RU UPPER SAPROLITE B BRECCIAS ADA Advanced Argillic VPA A veins R Riversleigh Fm IGR Granite VFR Rhyolite SSM Mudstone MQ Quartzite RUM Mottled Zone BI Intrusive Breccias ADD Advanced Argillic-qtz-dickite VPB B veins IGD Granodiorite VFD Dacite SST Siltstone MI Psammite RUP Pallid Zone BM Magmatic Hydrothermal ADP Advanced Argillic-qtz-pyrophyllite VPC C Veins Lsbq Shady Bore Quartzite IGA Aplite VI INTERMEDIATE VOLCANIC SSS Sandstone MS Slate RUS Residual Soil BD Diatreme Breccia ADQ Advanced Argillic-qtz-qtz-alunite VPD D veins L Lady Loretta Fm IGT Tonalite VIA Andesite SSC Conglomerate MIP Psamopelite RUC Calcrete BP Phreatic Breccia AIA Intermediate Argillic VPEM EM veins E Esperanza Fm IGJ Trondhjemite VIT Trachyte SSW Wacke MM Marble RUI Silcrete BPM Phreatomagmatic AAR Argillic VPM Banded magnetite-qtz veins P Paradise Ck Fm ID DIORITOIDS VIL Latite SSMC Carbonaceous Mudstone MH Hornfels RUF Ferricrete BH Hydrothermal Breccias APH Phyllic Pss3 Paradise Ck Mauve SST-SSL Py IDD Diorite VM MAFIC VOLCANIC SSTC Carbonaceous Siltstone MUS Serpentinite RUG Gossan BHA Angular Breccia APS Phyllic (sericite-chlorite) Pd3 Paradise Ck Dolomite Dm2 IDQ Quartz Diorite VMBP Porphyritic Basalt SSSQ Quartz Sandstone MA Amphibolite RL LOWER SAPROLITE BHAM Angular Monomictic Breccia APR Propylitic Pss2 Paradise Ck Mauve algae-SSL-oolites SsF IDQM Quartz Monzodiorite VMB Basalt SSSI Lithic Sandstone MY Mylonite RLF Lower saprock likely felsic BHAP Angular Polymictic Breccia APT Potassic Psx6 Paradise Ck Chert Ch6 IS SYENITOIDS VMBA Amydaloidal basalt SSSF Feldspathic Sandstone MC Schist RLM Lower saprock likely mafic BHR Rounded Breccia ACK Calc-Potassic Pd2 Paradise Ck Dolomite Dm2 ISS Syenite VMBI Pillow basalt SSSC Carbonaceous Sandstone MPG Graphitic Phyllite RLU Lower saprock likely Ultramafic BHRM Rounded Monomictic Breccia ABC Sodic-Calcic Pss1 Paradise Ck SST-oolites-Chert-Dol SaF2 ISQ Quartz Syenite VMBT Tholeiitic Basalt SSSL Calcareous Sandstone MG Gneiss RLS Lower saprock likely Sediment BHRP Rounded Polymictic Breccia AAB Sodic Pch9 Paradise Ck wh-y chert Ch9 ISM Monzonite VMP Phonolite SSML Calcareous Mudstone MGF Felsic Gneiss RLC Lower saprock likely Metamorphic X Mineralisation ASI Silicification Px2 Paradise Ck y-r jasperitic breccias ChB1 ISMQ Quartz Monzonite VMBK Komatiitic Basalt (hi-Mg) SSTL Calcareous Siltstone MGM Mafic Gneiss T TRANSPORTED XS Massive Sulphides ACH Chloritic Pd1 Paradise Ck Dolomite Dm2 IA GABBROIDS VMBA Alkali Basalt SSMD Dolomitic Mudstone MGI Migmatitic Gneiss TS Transported Soil XSB Massive Sulphides-Banded ACC Chlorite-carbonate Px1 Paradise Ck Mn SST-SCD breccias BX1 IAG Gabbro VU ULTRAMAFIC VOLCANIC SSTD Dolomitic Siltstone MHF Felsic Hornfels TA Alluvials XSX Massive Sulphides-brecciated ATT Tourmaline Pd Paradise Ck Dolomite Dm2 IAA Anorthosite VUK Komatiite SSSD Dolomitic Sandstone MHM Mafic Hornfels TC Colluvials Z SKARNS ACD Dolomitic Pq Paradise Ck w-p SST-MQ Ss2 IAGQ Quartz Gabbro VUKS Spinifex textured Komatiite SSMLC Calcareous Carbonaceous Mudstone MCF Felsic Schist TE Elluvials ZX Endoskarn ACDS Silica-Dolomite Poc Oxide Chert BBs IM MAFIC (Intrusions) VP PYROCLASTICS SSTLC Calcareous Carbonaceous Siltstone MCM Mafic Schist TO Aeolian ZN Exoskarn AHA Hematite G Gunpowder Fm IMD Dolerite VPA Agglomerate SSMDC Dolomitic Carbonaceous Mudstone MCU Ultramafic Schist TY Transported Clays ZNR Retrograde Endoskarn ACA Carbonate-Calcic Ggs Gunpowder graphitic shale Dm4 IMDQ Quartz Dolerite VPB Pyroclastic Breccia SSTDC Dolomitic Carbonaceous Siltstone MCT Talc Schist TL Transported Loam (mix sand-clay) ZNP Prograde Endoskarn AMN Manganiferous Gds Gunpowder Dolomitic Siltstone Slt4 IMDM Magnetic Dolerite VPTB Tuff Breccia SSSDC Dolomitic Carbonaceous Sandstone MCC Chloritic schist TLL Transported laterite ZXR Retrograde Exoskarn ALB Albite Gss Gunpowder Siliceous Shale IU ULTRAMAFIC (Intrusions) VPL Lapillistone SSWQ Quartz Wacke MCB Biotite Schist TK Calcrete ZXP Prograde Exoskarn AEA Epidote Gds Gunpowder Dolomitic Siltstone IUP Pyroxenites VP Lapilli-breccia SSWL Lithic Wacke MCS Muscovite Schist TZ Silcrete AMM Magnetite IUH Hornblendites VPLT Lapilli-Tuff SSWF Feldspathic Wacke MGP Paragneiss TF Ferricrete IUD Dunite VPTB Tuff SSCM Monomictic Conglomerate MGO Orthogneiss IUE Peridoties VPTC Crystal Tuff SSCP Polymictic Conglomerate IUC Carbonotite VPTL Lithic Tuff SSSP Pebbly Sandstone IUK Kimberlite VPTV Vitric Tuff SSD Diamictite IUL Lamprophyre VPH Hyaloclastite SSB Sedimentary Breccia-clastic P PORPHYRY VPI Ignimbrite SC CARBONATE SEDIMENTS PB Biotite Porphyry VS VOLCANOCLASTICS SCL Limestone PF Feldspar Porphyry VSM Volcanoclastic Mudstone SCD Dolomite PFQ Feldspar Quartz Porphyry VSS Volcanoclastic Sandstone SCDL Dolomitic Limestone PFQB Feldspar Quartz Biotite Porphyry VSB Volcanoclastic Breccia SCLI Impure Limestone PFQH Feldspar Quartz Hornblende Porphyry VSC Volcanoclastic Conglomerate SCDI Impure Dolomite PH Hornblende Porphyry SCM Calcilutite PQ Quartz Porphyry SCS Calcarenite SCC Calcirudite V VOLCANICS SCDM Dololutite VF FELSIC VOLCANIC SCDS Dolarenite VFR Rhyolite SCDC Dolorudite VFD Dacite SCLF Fossiliferous Limestone VI INTERMEDIATE VOLCANIC SCDF Fossiliferous Dolostone VIA Andesite SCLS Stromatoliitic Limestone VIT Trachyte SCLB Carbonate/Karst breccias VIL Latite SX CHEMICAL SEDIMENTS VM MAFIC VOLCANIC SXC Chert VMBP Porphyritic Basalt SXJ Jasper VMB Basalt SXB BIF VMBA Amydaloidal basalt SXBO BIF-oxide VMBI Pillow basalt SXBS BIF-sulphide VMBT Tholeiitic Basalt SXBC BIF-carbonate VMP Phonolite SXBI BIF-silicate VMBK Komatiitic Basalt (hi-Mg) VMBA Alkali Basalt VU ULTRAMAFIC VOLCANIC VUK Komatiite VUKS Spinifex textured Komatiite VP PYROCLASTICS VPA Agglomerate VPB Pyroclastic Breccia VPTB Tuff Breccia VPL Lapillistone VP Lapilli-breccia VPLT Lapilli-Tuff VPTB Tuff VPTC Crystal Tuff VPTL Lithic Tuff VPTV Vitric Tuff VPH Hyaloclastite VPI Ignimbrite VS VOLCANOCLASTICS VSM Volcanoclastic Mudstone VSS Volcanoclastic Sandstone VSB Volcanoclastic Breccia VSC Volcanoclastic Conglomerate S SEDIMENTS SS SILICICLASTIC SEDIMENTS SSM Mudstone SST Siltstone SSS Sandstone SSC Conglomerate SSW Wacke SSMC Carbonaceous Mudstone SSTC Carbonaceous Siltstone SSSQ Quartz Sandstone SSSI Lithic Sandstone SSSF Feldspathic Sandstone SSSC Carbonaceous Sandstone SSSL Calcareous Sandstone SSML Calcareous Mudstone SSTL Calcareous Siltstone SSMD Dolomitic Mudstone SSTD Dolomitic Siltstone SSSD Dolomitic Sandstone SSMLC Calcareous Carbonaceous Mudstone SSTLC Calcareous Carbonaceous Siltstone SSMDC Dolomitic Carbonaceous Mudstone SSTDC Dolomitic Carbonaceous Siltstone SSSDC Dolomitic Carbonaceous Sandstone SSWQ Quartz Wacke SSWL Lithic Wacke SSWF Feldspathic Wacke SSCM Monomictic Conglomerate SSCP Polymictic Conglomerate SSSP Pebbly Sandstone SSD Diamictite SSB Sedimentary Breccia-clastic SC CARBONATE SEDIMENTS SCL Limestone SCD Dolomite SCDL Dolomitic Limestone SCLI Impure Limestone SCDI Impure Dolomite SCM Calcilutite SCS Calcarenite SCC Calcirudite SCDM Dololutite SCDS Dolarenite SCDC Dolorudite SCLF Fossiliferous Limestone SCDF Fossiliferous Dolostone SCLS Stromatoliitic Limestone SCLB Carbonate/Karst breccias SX CHEMICAL SEDIMENTS SXC Chert SXJ Jasper SXB BIF SXBO BIF-oxide SXBS BIF-sulphide SXBC BIF-carbonate SXBI BIF-silicate M METAMORPHICS MP Phyllite/Pelite MQ Quartzite MI Psammite MS Slate MIP Psamopelite MM Marble MH Hornfels MUS Serpentinite MA Amphibolite MY Mylonite MC Schist MPG Graphitic Phyllite MG Gneiss MGF Felsic Gneiss MGM Mafic Gneiss MGI Migmatitic Gneiss MHF Felsic Hornfels MHM Mafic Hornfels MCF Felsic Schist MCM Mafic Schist MCU Ultramafic Schist MCT Talc Schist MCC Chloritic schist MCB Biotite Schist MCS Muscovite Schist MGP Paragneiss MGO Orthogneiss R REGOLITH RU UPPER SAPROLITE RUM Mottled Zone RUP Pallid Zone RUS Residual Soil RUC Calcrete RUI Silcrete RUF Ferricrete RUG Gossan RL LOWER SAPROLITE RLF Lower saprock likely felsic RLM Lower saprock likely mafic RLU Lower saprock likely Ultramafic RLS Lower saprock likely Sediment RLC Lower saprock likely Metamorphic T TRANSPORTED TS Transported Soil TA Alluvials TC Colluvials TE Elluvials TO Aeolian TY Transported Clays TL Transported Loam (mix sand-clay) TLL Transported laterite TK Calcrete TZ Silcrete TF Ferricrete B BRECCIAS BI Intrusive Breccias BM Magmatic Hydrothermal BD Diatreme Breccia BP Phreatic Breccia BPM Phreatomagmatic BH Hydrothermal Breccias BHA Angular Breccia BHAM Angular Monomictic Breccia BHAP Angular Polymictic Breccia BHR Rounded Breccia BHRM Rounded Monomictic Breccia BHRP Rounded Polymictic Breccia X Mineralisation XS Massive Sulphides XSB Massive Sulphides-Banded XSX Massive Sulphides-brecciated Z SKARNS ZX Endoskarn ZN Exoskarn ZNR Retrograde Endoskarn ZNP Prograde Endoskarn ZXR Retrograde Exoskarn ZXP Prograde Exoskarn F Faults FDB Fault Breccia FDG Fault Gouge FDBC Crush Breccia FDBF Fine crush breccia FDBM Crush microbreccia FDC Cataclasite FDCT Pseudotachylite FDCU Ultracataclasite FDCP Protocataclasite FDCY Brittle Ductile shear zone FDY Mylonite FDYB Blastomylonite FDYL Phyllonite FDYP Protomylonite FDYU Ultramylonite