Slide 1: The Los Helados Copper-Gold Porphyry Deposit
THE LOS HELADOS COPPER-GOLD PORPHYRY DEPOSIT A MAJOR GRASSROOTS DISCOVERY IN AN EMERGING CAMP NEAR THE CASERONES MINE Extract from a presentation at the 2019 SEG Conference, Santiago titled “The Josemaría and Los Helados porphyry Cu-Au deposits: The timing of porphyry emplacement, uplift, and erosio
Slide 2: Location within the Miocene porphyry belt
Location within the Miocene porphyry belt
Slide 3: Major deposits discovered as of year 2000
Major deposits discovered as of year 2000
Slide 4: Vicuña region grassroots discoveries in the early 2000s and onwards
Vicuña region grassroots discoveries in the early 2000’s and onwards
Slide 5: Late Oligocene-Early Miocene Mineralization
Late Oligocene-Early Miocene Mineralization Compilation after Sillitoe et al. (2019) and references therein
Slide 6: Mid to Late Miocene Mineralization
Mid to Late Miocene Mineralization Compilation after Sillitoe et al. (2019) and references therein
Slide 7: Los Helados Porphyry Cu-Au Chile
Los Helados Porphyry Cu-Au Chile Joint Exploration Agreement 64% NGEx Minerals 36% Pan Pacific Copper Co. A grassroots discovery by NGEx Resources in 2008
Slide 8: Los Helados Porphyry Cu-Au Chile
Los Helados Porphyry Cu-Au Chile Joint Exploration Agreement 63% NGEx Minerals 37% Pan Pacific Copper Co. Next slide A grassroots discovery by NGEx Resources in 2008
Slide 9: Los Helados Porphyry Cu-Au Chile
Los Helados Porphyry Cu-Au Chile VIEW SOUTH ▪ The property was staked in 2004 ▪ Following up on recognition of a prospective alteration zone identified with Aster spectral mapping.
Slide 10: Los Helados: Permian-Triassic host rocks
Los Helados Permian – Triassic host rocks VIEW SOUTH VIEW SOUTH
Slide 11: Los Helados: Permian-Triassic host rocks
Los Helados Permian – Triassic host rocks VIEW SOUTH VIEW SOUTH
Slide 12: Los Helados: Alteration vectors
Los Helados Alteration vectors VIEW SOUTH VIEW SOUTH ▪ Increasing intensity of sericitic alteration with incipient breccia at lowest elevation. ▪ Targeting supported by IP and soil geochemistry
Slide 13: Los Helados: Drilling to discovery
Los Helados Drilling to discovery VIEW SOUTH VIEW SOUTH ▪ 2006: First RC hole with 290 metres at 0.23% Cu and 0.23 g/t Au ▪ 2007/08: First diamond drill hole - LHDH01 ▪ Size of the system recognized with hole LHDH16 in 2010/11 ; LHDH17 with 1,090 metres @ 0.51% Cu and 0.26 g/t Au
Slide 14: Los Helados: Mineral resource estimate
Los Helados Mineral resource estimate VIEW SOUTH Indicated Resource* 17.6 billion lbs Cu 10.7 million oz Au Inferred Resource 5.8 billion lbs Cu 2.7 million oz Au 0.3 % CuEq Million Cu Au Ag cutoff tonnes Cu (%) Au (g/t) Ag (g/t) CuEq (%) (billion lbs) (million oz) (million oz) Drilling to date (200
Slide 15: Los Helados: Large high-grade core zone
Los Helados Large high-grade core zone VIEW SOUTH 1 km Mineral resource block model * A CuEq grade was calculated using US$3.00/lb Cu, US$1,300/oz Au and US$23/oz Ag, and includes a provision for selling costs and metallurgical recoveries. For details on data verification, sample, analytical and tes
Slide 16: Los Helados: High-grade sulphide-cemented breccias
Los Helados High-grade sulphide-cemented breccias Modified after: A. Guitart, MSc. (in prep)
Slide 17: Los Helados: High-grade sulphide-cemented breccias
Los Helados High-grade sulphide-cemented breccias Mineral resource block model A CuEq grade was calculated using US$3.00/lb Cu, US$1,300/oz Au and US$23/oz Ag, and includes a provision for selling costs and metallurgical Modified after: recoveries. A. Guitart, MSc. (in prep) Description of the miner
Slide 18: The Vicuña region
The Vicuña region A great story of grassroots exploration success by a junior company. This exploration team has found* 17 million tonnes copper 29 million oz gold 354 million oz silver and identified a new mineral district over the past 15 years. These discoveries came out of a regional exploration