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Fruta del Norte Deposit

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Journal Article
Journal: Economic Geology
Published: 01 August 2016
Economic Geology (2016) 111 (5): 1043-1072.
... siliciclastic sedimentary rocks, and, finally, andesite flows, all assigned to the Chapiza Formation.The Fruta del Norte deposit consists of a 1.3-km-long and up to >300-m-wide vein-stockwork associated with quartz-illite-pyrite alteration. The deposit comprises two principal vein types, one in the south...
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Schematic evolution of the <b>Fruta</b> <b>del</b> <b>Norte</b> <b>deposit</b>. A. Jurassic magmatic ar...
Published: 01 August 2016
Fig. 15 Schematic evolution of the Fruta del Norte deposit. A. Jurassic magmatic arc construction and subeconomic porphyry copper mineralization associated with intermediate-composition porphyries dated at 169 ± 1 Ma. B. Arc erosion exposes batholith beyond the Piuntza volcanic pendant and brings
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Selected exploration and discovery features of the <b>Fruta</b> <b>del</b> <b>Norte</b> gold-sil...
Published: 01 August 2016
Fig. 2 Selected exploration and discovery features of the Fruta del Norte gold-silver deposit, southeastern Ecuador. A. Map showing surface projection of the Fruta del Norte deposit, with respect to the chargeability anomaly defined previously by Climax Mining Ltd. Chalcedonic rib, float boulder
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Geologic plan of the <b>Fruta</b> <b>del</b> <b>Norte</b> gold-silver <b>deposit</b> at 1,200 m above m...
Published: 01 August 2016
Fig. 6 Geologic plan of the Fruta del Norte gold-silver deposit at 1,200 m above mean sea level. The continuous and contiguous distribution of the mineral zones constituting the orebody is evident. Compare with Figure 7B to see the position of nonsulfidic zone FDN3 above this level plan
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Regional setting of the <b>Fruta</b> <b>del</b> <b>Norte</b> epithermal gold-silver <b>deposit</b>, sou...
Published: 01 August 2016
Fig. 1 Regional setting of the Fruta del Norte epithermal gold-silver deposit, southern Ecuador. A. Current plate tectonic context of Ecuador, showing the location of (B). Modified from Rosenbaum et al. (2005) . B. Simplified regional geology and principal mineral deposits of southeastern
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Vertical geologic sections of the <b>Fruta</b> <b>del</b> <b>Norte</b> gold-silver <b>deposit</b> for g...
Published: 01 August 2016
Fig. 7 Vertical geologic sections of the Fruta del Norte gold-silver deposit for grid lines 2800, 3200, 3400, and 3700mN in Figure 6 . The distribution of mineral zones constituting the orebody is also shown. Note the position in (B) of the silicified rib that includes the discovery outcrop (cf
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Selected lithologies and alteration types from the <b>Fruta</b> <b>del</b> <b>Norte</b> gold-sil...
Published: 01 August 2016
Fig. 8 Selected lithologies and alteration types from the Fruta del Norte gold-silver deposit. A. Suárez conglomerate with chalcedony and marcasite between and, locally, within clasts. B. Porphyry-type quartz-pyrite-chalcopyrite D veinlet (1) cut by epithermal quartz-manganoan carbonate veinlet
Journal Article
Journal: Economic Geology
Published: 01 January 2015
Economic Geology (2015) 110 (1): 73-90.
... et al., 2011 ). The Canahuire deposit and the Caspiche porphyry Cu-Au (Chile), La Colosa porphyry gold (Colombia), Lagunas Norte high sulfidation epithermal gold (Peru), and Fruta del Norte intermediate sulfidation epithermal gold (Ecuador) deposits constitute the main mineral discoveries...
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Regional geologic map of the Cordillera <b>del</b> Cóndor, showing the setting of ...
Published: 01 August 2016
Fig. 5 Regional geologic map of the Cordillera del Cóndor, showing the setting of the Fruta del Norte deposit and Suárez pull-apart basin in relationship to the Las Peñas fault zone. Note the location of Mirador, the southernmost porphyry copper deposit in the Pangui belt. Mapping by Aurelian
Journal Article
Journal: Economic Geology
Published: 01 January 2013
Economic Geology (2013) 108 (1): 11-35.
... with the Panantza-San Carlos, Mirador, Fruta del Norte, and Chinapintza deposits; dikes continue south on both sides of the border for at least another 20 km. A parallel structure 20 km to the west is evident at the Nambija Au skarn and just west of Yantzatza. Another parallel structure occurs 15 km east...
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Journal Article
Journal: Economic Geology
Published: 01 June 2008
Economic Geology (2008) 103 (4): 663-687.
... Uncertain 55–43 (porphyry Cu-Au prospects) Probably extension Calc-alkaline stocks Sillitoe et al. (1982) , Anglo-Gold Ashanti (2007) Zamora belt, Ecuador 23 Fruta del Norte, Nambija Intermediate-sulfidation epithermal (skarn) ~155–146 Transtension Calc-alkaline volcanics, stocks...
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Plan showing surface projections of fault strands of Las Peñas fault zone (...
Published: 01 August 2016
Fig. 9 Plan showing surface projections of fault strands of Las Peñas fault zone (see text), outline of the of Fruta del Norte orebody, and diamond drill holes completed to end 2008. Red histograms on drill hole traces represent individual gold assays (in g/t) cut to 10 g/t. Note the position
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Schematic historic depiction of events from Early Jurassic to Present; symb...
Published: 01 January 2013
uplift. B. Pulse of continental arc magmatism beginning ca. 156 Ma, emplacing the early subvolcanic intrusions and generating the porphyry copper deposits of the Zamora Cu-Au belt from 153 to 158 Ma, as well as epithermal gold at Fruta del Norte (FDN), and skarn at the margins at Kutucus. Following
Journal Article
Journal: Economic Geology
Published: 01 November 2017
Economic Geology (2017) 112 (7): 1807-1817.
... geochemistry in mineral exploration and mining : Elements , v. 11 , p. 241 – 246 . Leary , S. , Sillitoe , R. , Stewart , P.W. , Roa , K.J. , and Nicolson , B.E. , 2016 , Discovery, geology, and origin of the Fruta del Norte epithermal gold-silver deposit, southeastern Ecuador...
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Examples of material from the sinter horizon in drill core. A. Five meters ...
Published: 01 August 2016
Fig. 14 Examples of material from the sinter horizon in drill core. A. Five meters of white and black laminated silica sinter within a >15-m intersection of similar sinter in the first, “near-miss” drill hole at Fruta del Norte (CP-06-50; Fig. 2C ). The core is dominated by white chalcedony
Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2010
DOI: 10.5382/SP.15.1.01
EISBN: 9781629490397
... metal province of Argentine Patagonia ( Lhotka, 2010 ; Williams, 2010 ), and blind orebodies, such as the Fruta del Norte epithermal gold-silver deposit in the Subandean zone of Ecuador ( Leary et al., 2007 ) and Kamoa ( Broughton and Rogers, 2010 ). The concealed targets may lie beneath mainly barren...