Target Maps Ordered by Commodity
[Click on target models to view target maps.  Links in other columns lead to supporting information.]
Target Model Source (No.) Commodities Size Rankings Best Match Second Best Updated (mmm/dd/yy) Comment
Palaeoplacer Au GSC (Au 01) Au   Ranking Best Second    
Porphyry type Au GSC (Au 06) Au   Ranking Best Second    
Skarn Au GSC (Au 08) Au X Ranking Best Second   Expected size range histogram applies to an unnumbered USGS Skarn Au Model (Theodore, T. G. et al; USGS Bulletin 1930)
Sediment-hosted micron Au GSC (Au 10) Au   Ranking Best Second    
Non-carbonate disseminated replacement Au GSC (Au 11) Au   Ranking Best Second    
Creede epithermal veins USGS 25b Au   Ranking Best Second    
Comstock epithermal vein USGS 25c Au X Ranking Best Second    
Low-sulphide Au-quartz veins USGS 36a Au X Ranking Best Second    
Homestake Au USGS 36b Au X Ranking Best Second   Expected size range histogram applies to a revised USGS "Homestake Stratiform Au" Model (Klein, T. L. and Day, W. C.; USGS Open File 94-250)
Gold on flat faults USGS 37b Au   Ranking Best Second    
Shallow Subaqueous Hot Spring Au-Ag (Eskay Creek) BCGS G07 (draft) Au, Ag   Ranking Best Second    
Sado epithermal veins USGS 25d Au, Ag X Ranking Best Second    
Carbonate-hosted Au-Ag USGS 26a Au, Ag   Ranking Best Second   Expected size range histogram applies to revised USGS Model 26a.1 (Berger, B. R.; USGS Bulletin 2004)
Hot-spring Au-Ag USGS 27a Au, Ag X Ranking Best Second    
Epithermal Au-Ag-Cu High Sulphidation BCGS H04 Au, Ag, Cu (As, Sb)   Ranking Best Second    
Au-Ag-Te Veins USGS 22b Au, Ag, Te   Ranking Best Second    
Placer Au-PGE USGS 39a Au, PGE   Ranking Best Second    
Quartz pebble conglomerate Au-U USGS 29a Au, U   Ranking Best Second    
Bedded barite USGS 31b Ba   Ranking Best Second    
Blackbird Co-Cu USGS 24d Co, Cu   Ranking Best Second    
Limassol Forest Co-Ni USGS 08c Co, Ni   Ranking Best Second    
Cu Skarn BCGS K01 Cu   Ranking Best Second    
Porphyry Cu USGS 17 Cu X Ranking Best Second    
Porphyry Cu, Skarn-related USGS 18a Cu X Ranking Best Second    
Volcanic-hosted Cu-As-Sb USGS 22a Cu   Ranking Best Second    
Basaltic Cu USGS 23 Cu   Ranking Best Second    
Cyprus massive sulphide USGS 24a Cu X Ranking Best Second    
Besshi massive sulphide USGS 24b Cu X Ranking Best Second    
Sediment-hosted Cu USGS 30b Cu X Ranking Best Second    
Vein Cu GSC 24 Cu (Au, Ag)   Ranking Best Second    
Porphyry Cu-Au USGS 20c Cu, Au X Ranking Best Second    
Porphyry Cu-Au Alkalic BCGS L03 Cu, Au (Ag) X Ranking Best Second   Size range histograms are modifications by the USGS of USGS Model 17 histograms specifically for Cu porphyries of British Columbia and Alaska.  Included here for reference.  Not directly related to BCGS Model L03.
Detachment-fault-related polymetallic deposits USGS 40a Cu, Au, Ag   Ranking Best Second    
Porphyry Cu + Mo + Au BCGS L04 Cu, Mo, Au   Ranking Best Second    
Duluth Cu-Ni-PGE USGS 05a Cu, Ni, PGE   Ranking Best Second    
Noril'sk Cu-Ni-PGE USGS 05b Cu, Ni, PGE   Ranking Best Second Feb/22/05  
Polymetallic replacement USGS 19a Cu, Pb, Ag, Zn X Ranking Best Second    
Kipushi Cu-Pb-Zn USGS 32c Cu, Pb, Zn   Ranking Best Second    
Kuroko massive sulphide USGS 28a Cu, Zn X Ranking Best Second    
Bushveld Fe-Ti-V USGS 03 Fe, Ti, V   Ranking Best Second    
Silica-carbonate Hg USGS 27c Hg   Ranking Best Second    
Replacement Mn USGS 19b Mn   Ranking Best Second    
Volcanogenic Mn USGS 24c Mn   Ranking Best Second    
Porphyry Mo (Climax-type) BCGS L08 Mo   Ranking Best Second    
Climax Mo USGS 16 Mo   Ranking Best Second    
Mo skarns BCGS K07 Mo (Cu, Pb, Zn, Sn)   Ranking Best Second    
Stillwater Ni-Cu USGS 01 Ni, Cu   Ranking Best Second    
Komatiitic Ni-Cu USGS 06a Ni, Cu   Ranking Best Second    
Synorogenic-Synvolcanic Ni-Cu USGS 07a Ni, Cu   Ranking Best Second    
Sandstone-hosted Pb-Zn USGS 30a Pb, Zn   Ranking Best Second    
Southeast Missouri Pb-Zn USGS 32a Pb, Zn   Ranking Best Second    
Phosphate, upwelling type USGS 34c Phosphate   Ranking Best Second    
Carbonatite Deposits 1 USGS 10 REE, P   Ranking Best Second Mar/08/05  
Carbonatite Deposits 2 USGS 10 REE, P   Ranking Best Second    
Simple Sb USGS 27d Sb   Ranking Best Second    
Sn Skarn Deposits USGS 14b Sn   Ranking Best Second    
Replacement Sn USGS 14c Sn   Ranking Best Second    
Sn Veins USGS 15b Sn   Ranking Best Second    
Sn Greisen Deposits USGS 15c Sn   Ranking Best Second    
Porphyry Sn USGS 20a Sn   Ranking Best Second    
Rhyolite-hosted Sn USGS 25h Sn   Ranking Best Second    
Sn skarns BCGS K06 Sn (W, Zn, magnetite)   Ranking Best Second    
Sn-polymetallic veins USGS 20b Sn, Cu, Zn, Pb, Ag   Ranking Best Second    
Thorium-rare-earth veins USGS 11d Th, REE   Ranking Best Second Feb/22/05  
Vein U GSC 23 U   Ranking Best Second    
Volcanogenic U USGS 25f U   Ranking Best Second    
Sandstone U USGS 30c U   Ranking Best Second    
Solution-collapse breccia pipe uranium deposits USGS 32e U   Ranking Best Second Feb/22/05  
Unconformity U-Au USGS 37a U, Au   Ranking Best Second    
W Skarn Deposits USGS 14a W   Ranking Best Second    
W Veins USGS 15a W   Ranking Best Second    
Appalachian Zn USGS 32b Zn X Ranking Best Second   "Mississippi Valley" name in size histogram title is equivalent to "Appalacian" in model name.
Zn-Pb Skarn BCGS K02 Zn, Pb, Ag, Cu, Au, W, Cd X Ranking Best Second   Size range histograms generated for USGS Zn-Pb Skarn Model (No 18c).
Broken Hill BCGS S01 (draft) Zn, Pb, Cu, Ag   Ranking Best Second    
GSC GSC (Geological Survey of Canada)
BCGS BCGS (British Columbia Geological Survey)
USGS USGS (United States Geological Survey)