Table 1

Cretaceous Porphyry and IOCG Deposits of the Coastal Cordillera of Northern Chile

Deposit/prospectMetal associationResourceAge (Ma)References
Porphyry
Inca de OroCu-Au-Ag389 Mt at 0.39% Cu, 0.1 g/t Au90–88 (U-Pb Zr)Maksaev et al. (2010)
Los TorosCu98Maksaev et al. (2007)
Dos AmigosCu-Au36 Mt at 0.36% Cu108–106 (U-Pb Zr)Almonacid (2007)
TotoraCu-Au120–121 (U-Pb Zr)Maksaev and Llaumet (2015)
La Union (Frontera)Cu-Au50.5 Mt at 0.4% Cu, 0.2 g/t Au112 (U-Pb Zr)Creixell et al. (2015); Maksaev and Llaumet (2015)
PajonalesCu-Au117 (U-Pb Zr)Morelli (2008)
Punta ColoradaCu-Au109 (U-Pb Zr)Creixell et al. (2015)
CachiyuyoCu-Au111 (U-Pb Zr)Creixell et al. (2015)
La VerdeCu-Au88 (U-Pb Zr)Creixell et al. (2015)
ElisaCu-Au92 (U-Pb Zr)Creixell et al. (2015)
CortaderaCu-Au87 (U-Pb Zr)Creixell et al. (2015)
Las CampanasCu-Au90 (U-Pb Zr)Creixell et al. (2015)
Los LorosCu-Au91Maksaev et al. (2010)
Carmen de AndacolloCu-Au-MoProven and probable reserves of 417 Mt at 0.34% Cu and 0.12 g/t Au104 (U-Pb Zr; Re-Os Mo)Maksaev et al. (2010); Teck Resources Limited, 2016; this study
LlahuinCu-Au-Mo145 Mt at 0.4% Cu equiv92 (Ar-Ar Bt)Maksaev et al. (2010)
ColliguayCu-Au129 (K-Ar WR)Maksaev et al. (2010)
IOCG
TropezonCu-(Mo-Au)~1.5 Mt Cu110 (U-Pb Zr)Tornos et al. (2010)
CasualidadCu-Au400 Mt at 0.55% Cu100 (U-Pb Zr), 100–94 (Ar-Ar Bt, Kspar), 94–84 (Ar-Ar Act)Kovacic (2014)
Todos Los SantosCu-Au118 (Ar-Ar Act)Gelcich et al. (2005)
Santo DomingoCu-Fe-Au417 Mt at 0.25% Cu, 27% Fe, 0.032 Au g/t124 (U-Pb Zr, Tn)Daroch et al. (2015)
MantoverdeCu-Au440 Mt at 0.56% Cu, 0.12 g/t Au121–117 (K-Ar Ser)Rieger et al. (2010)
Cerro Negro NorteFe-(Cu-Au)100 Mt at 65% Fe116 (U-Pb Tn)Raab (2002)
Candelaria-Punta del CobreCu-Au-Ag501 Mt at 0.54% Cu, 0.13 g/t Au116–110 (Ar-Ar Bt; Re-Os Mo)Arévalo et al. (2006); Marschik and Fontboté (2001)
Productora1Cu-Au-(Mo)214.3 Mt at 0.48% Cu, 0.1 g/t Au, 138 ppm Mo128.9 (Re-Os Mo), 130 (U-Pb Zr)Marquardt et al. (2015)
TrapicheCu-Au122–120 (Ar-Ar Act)Creixell et al. (2015)
PanulcilloCu-Au0.5 Mt at 2.75–3% Cu, 0.5–1 g/t Au115 (K-Ar Phl)Diaz and Corvalán (2015)
El EspinoCu-Au145 Mt at 0.55% Cu, 0.22 g/t Au93–89 (U-Pb Zr); 88–86 (Ar-Ar Act, Ser, Kspar)Del Real and Arriagada (2015); López et al. (2014)
  • Abbreviations: Act = actinolite, Bt = secondary biotite, Kspar = secondary potassium feldspar, Mo = molybdenite, Phl = phlogopite, Ser = sericite, Tn = titanite, WR = whole rock, Zr = zircon

  • 1 Deposit type is transitional between porphyry and IOCG