Golden Cross Resources Ltd · ASX:GCR
Golden Cross Resources — Mines & Wines 2007
26 slides from Golden Cross Resources's conference presentation, Sep 21, 2007
Slide 1: Golden Cross Resources Copper Hill Project 2007 Update
Golden Cross Resources Copper Hill Project 2007 Update Mines & Wines 2007
Slide 2: 2006 aerial magnetics, 2007 pole-dipole survey, geological model revamp
• 2006 aerial magnetics • 2007 offset pole-dipole survey • 2007 complete revamp of geological model
Slide 3: Aerial magnetics image with prospect names
Slide 4: Chargeability section 5450N
5450N 5500N
Slide 5: Copper Hill chargeability sections
" HM LOR ean 2:20 Basia Copper Hill SUURL Chargeabilty 4 Copper Hill 3OORL Chargeability
Slide 6: Power prospect soil copper geochemistry map
Slide 7: Chargeability section 5500N
5450N 5500N
Slide 8: Copper Hill prospect location map
673000 mE 674000 mE 675000 mE 676000 mE 6243000 mi Shades Rd 2000 mit 634 Copper Hill’North Open Cuf@ddie Hill Top TS Boomerang Lode 2 Scotch Lode 3 Wattle;Hill Boundary 6347000 mii DOO mil Bindii Hayshed $340 6339000 mit 338000 mr 67000 mE 675 676000 mE 9 Nw QoOtr o G = S 5 Nu GoOocrS9 e
Slide 9: Geology
Geology • See Jonathon Hoyes Honours thesis for details • Key advances – defined relationships between mineralisation styles and intrusions – evidence of high sulphidation overprint on porphyry mineralisation – evidence of tilting of complex
Slide 10: Pre-mineral host intrusions cross-section
V Basaltic Volcanics V Tonalite Diorite Vv Pre Mineral Host
Slide 11: Quartz veins and copper carapace model
Quartz veins + ” Copper carapace ~ V V V Basaltic Volcanics V Mineralisation “ Vv _ET | Tonalite Diorite ==5 SHE] Quartz Vein + Copper Carapace bs Vv
Slide 12: Mineral intrusion and dilution model
V Basaltic Volcanics V V Dilution Cognate Xenoliths ED < V Tonalite Diorite Quartz Vein + Copper Carapace Mineral Intrusion Vv
Slide 13: Argillic overprint and barren dykes model
V V Vv oe Vv Argillic —> Barren Dykes Vv V V V V V Basaltic Volcanics V V V [ET] Tonalite V | [ED] Diorite | rtz Vein + | EEE: seal Carapnes Argillic Overprint \ — li ED GG Barren Dykes
Slide 14: Supergene copper zone model
= Supergene Argillic Copper Zone V V V c Barren Dykes Basaltic Volcanics V V Tonalite Diorite Quartz Vein + Copper Carapace Mineral Intrusion Plutons Barren Dykes
Slide 15: Geological Domains
Geological Domains • Mineralisors – contains the bulk of the + 0.3% Cu • Carapace – localised “high” grade zones • Argillic – localised in one area possibly a syn- mineralisation feature or late retrograde alteration • Dykes – late stage dilution
Slide 16: 3D domain model: all domains
Slide 17: 3D model: carapace domain
Slide 18: 3D model: dykes domain
Slide 19: Mineralised Veins: A veins
Mineralised Veins “A” veins - rare, ptygmatic qtz +/- sul in pre-mineral host intrusions; generally barren
Slide 20: M veins
“M” veins - sheeted or stk +/- lam qtz+mag+sul, most common in the carapace zones of early syn-mineral intrusions;
Slide 21: B veins
“B” veins - stk, common on the margins of carapace zones and extending into pre-mineral host intrusions; inward terminated qtz, infilled with sul + gangue
Slide 22: C veins
“C” veins - stringer to semi-massive cpy, commonly cross- cutting “M” and “B” veins and occupying “copper haloes” around and above syn-mineral intrusions;
Slide 23: D veins
“D” veins - sericite selvedged stringer py +/ qtz+cc+py+/- moly, marginal settings
Slide 24: Block Model
Block Model • H&S July 2007 • Ordinary kriging • 3 separate domains were used to account for variation in dip from north to south • 133MT @ 0.32% Cu 0.28% Au • 13% Measured, 50% Indicated, 37% Inferred H&S has not validated the GCR database or geological interpretation in any detail, so responsibili
Slide 25: Block model with drillholes and resource shells
Slide 26: Where to from here?
Where to from here? • PFS/BFS – need a partner $333m development costs • More drilling – resource, metallurgical, geotech, dyke definition • Other exploration targets in near the existing mineralisation