 | Markowski, Agnès, Vallance, Jean, Chiaradia, Massimo, Fontboté, Lluìs (2006) Mineral zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador. Mineralium Deposita, 41 (4) 301-321 doi:10.1007/s00126-006-0062-x | Journal (article/letter/editorial) | | occurrence in the Fortuna skarn mine, Nambija district, Ecuador Received: 24 February 2005 / Accepted:...located in the northern part of the Nambija gold district, southern Ecuador. It has been subdivided into four...chlorite, with minor sericite, apatite, titanite, hematite, pyrite, chalcopyrite, and gold. Metal and sulfur...and the highest gold grades coincide with high hematite abundance, which suggests that retrograde stage...is not efficient. Keywords Fortuna mine . Nambija district . Gold . Skarn . Zonation . Endoskarn Introduction |  | Chiaradia, Massimo, Vallance, Jean, Fontboté, Lluis, Stein, Holly, Schaltegger, Urs, Coder, Joshua, Richards, Jeremy, Villeneuve, Mike, Gendall, Ian (2009) U–Pb, Re–Os, and 40Ar/39Ar geochronology of the Nambija Au-skarn and Pangui porphyry Cu deposits, Ecuador: implications for the Jurassic metallogenic belt of the Northern Andes. Mineralium Deposita, 44 (4) 371-387 doi:10.1007/s00126-008-0210-6 | Journal (article/letter/editorial) | | geochronology of the Nambija Au-skarn and Pangui porphyry Cu deposits, Ecuador: implications for the...from the Nambija and Pangui districts of the Subandean zone, southeastern Ecuador. Nambija has been one...one of the main gold-producing centers of Ecuador since the 1980s due to exceptionally high-grade ores...discovered porphyry Cu–Mo district. The geology of the Subandean zone in southeastern Ecuador is dominated by the...Jurassic Zamora batholith, which intrudes Triassic volca- nosedimentary rocks. The Zamora batholith |
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