Lithocaps and high-sulfidation epithermal deposits - Sociedad ...

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Cajamarca District Tantahuatay Paleozoic-Mesozoic sedimentary rocks Cerro Yanacocha Perol-Cocanes Kupfertal Cretaceous- Tertiary intrusive rocks Tertiary volcanic rocks Gustafson et al., 2004 40 km Yanacocha cluster Giuliana Antonio Maqui Maqui; 3 Perol, Cocañez: 8 km Cerro Yanacocha; 25 Norte, Oeste, Sur, Encajon (Verde - sulfide) Norte Leach pad Oeste Sur Kupfertal Cerro Negro; 1 Encajon Tapado- Corimayo; 4 La Quinua; 9 Carachugo- Chaquicocha; 6 5 km Quilish; 4 Kupfertal porphyry: KUP-3 San Jose; 4 5 km Longo and Teal, 2005
8.2 – 9.2 Ma (Yanacocha Complex) 10 – 10.5 Ma (San Jose) From Longo, 2005, et al. 2010; Perol and Cocañez dates from Gustafson et al., 2004 Alunites Bell et al., 2005 Longo and Teal, 2005 Longo et al., 2010 10.7 Ma (Kupfertal porph) Late dacite 10.7 – 11.1 Ma (Corimayo-Carachugo-Tapado) 11.5 – 13.5 Ma (Cerro Negro, Quilish) 15.8-16.1 Ma (Perol porph, Cocañez litho) From Longo, 2005; Perol and Coca Longo, 2005; et al., 2010 Km 3 San Jose Tapado Corimayo Carachugo Maqui Maqui Moz Yanacocha Complex Cerro Negro Quilish (7 Moz) (20 Moz) (25 Moz) Longo et al., 2010
Page 1 and 2: Lithocaps and high-sulfidation epit
Page 3 and 4: Sl Ya Wa RMt Vi To musc HS IS LS LS
Page 5 and 6: Summitville, Colorado pH ~ 4-6 2-4
Page 7 and 8: Arribas et al. (2005) Arribas et al
Page 9 and 10: Nansatsu district, S Kyushu, lookin
Page 11 and 12: Exploration and discovery histories
Page 13 and 14: http://www.iamgold.com/presentation
Page 15: Yanacocha oblique aerial to NE
Page 19 and 20: Dome moat, laminated siliceous sedi
Page 21 and 22: Milagros porphyry prospect, Alto Ch
Page 23 and 24: NB: Mixing will not cause amorphous

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