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Bajo de la Alumbrera Deposit

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Geologic map of intrusive rocks in the <b>Bajo</b> <b>de</b> <b>la</b> <b>Alumbrera</b> <b>deposit</b> (modifi...
Published: 01 August 2005
F ig . 3. Geologic map of intrusive rocks in the Bajo de la Alumbrera deposit (modified after Proffett, 2003 ). Faults mapped by Proffett (2003) are marked as solid black lines.
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Fluid inclusion data for the <b>Bajo</b> <b>de</b> <b>la</b> <b>Alumbrera</b> <b>deposit</b>. A. Compilation o...
Published: 01 August 2005
F ig . 9. Fluid inclusion data for the Bajo de la Alumbrera deposit. A. Compilation of the total homogenization data reported by Ulrich et al. (2002) . Vapor-rich inclusions (type 1) coexist with brine inclusions (type 3) and occur in potassic alteration assemblages, whereas the liquid-rich
Journal Article
Journal: Economic Geology
Published: 01 December 2002
Economic Geology (2002) 97 (8): 1889–1920.
...Thomas Ulrich; Detlef Günther; Christoph A. Heinrich Abstract The chemical and physical evolution of magmatic to hydrothermal processes in the porphyry Cu-Au deposit of Bajo de la Alumbrera (northwestern Argentina) has been reconstructed with a quantitative fluid inclusion study. Fluid inclusion...
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Journal Article
Journal: Economic Geology
Published: 01 December 2001
Economic Geology (2001) 96 (8): 1743–1774.
...Thomas Ulrich; Detlef Günther; Christoph A. Heinrich Abstract The chemical and physical evolution of magmatic to hydrothermal processes in the porphyry Cu-Au deposit of Bajo de la Alumbrera (northwestern Argentina) has been reconstructed with a quantitative fluid inclusion study. Fluid inclusion...
FIGURES | View All (10)
Journal Article
Journal: Economic Geology
Published: 01 January 2006
Economic Geology (2006) 101 (1): 71–94.
...Anthony C. Harris; Scott E. Bryan; Rodney J. Holcombe Abstract The late Miocene Farallón Negro volcanics, comprising basaltic to rhyodacitic volcano-sedimentary rocks, host the Bajo de la Alumbrera porphyry copper-gold deposit in northwest Argentina. Early studies of the geology of the district...
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Journal Article
Journal: Economic Geology
Published: 01 August 2005
Economic Geology (2005) 100 (5): 863–886.
...F ig . 3. Geologic map of intrusive rocks in the Bajo de la Alumbrera deposit (modified after Proffett, 2003 ). Faults mapped by Proffett (2003) are marked as solid black lines. ...
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Journal Article
Journal: Economic Geology
Published: 01 December 2003
Economic Geology (2003) 98 (8): 1535–1574.
...John M. Proffett Abstract The Bajo de la Alumbrera porphyry Cu-Au deposit, Argentina, is in the eastern Andes, near the north edge of a region of reverse fault-bound basement uplifts that overlie a low-angle segment of the subduction zone. Alumbrera, now above the transition from steep to flat...
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Journal Article
Journal: Economic Geology
Published: 01 December 2002
Economic Geology (2002) 97 (8): 1865–1888.
...Thomas Ulrich; Christoph A. Heinrich Abstract This paper describes the igneous geology, alteration mineralogy, and geochemistry, as well as the ore mineralization history of Bajo de la Alumbrera, a world-class porphyry copper-gold deposit in northwestern Argentina. The deposit occurs in the K-rich...
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Journal Article
Journal: Economic Geology
Published: 01 December 2001
Economic Geology (2001) 96 (8): 1719–1742.
...Thomas Ulrich; Christoph A. Heinrich Abstract This paper describes the igneous geology, alteration mineralogy, and geochemistry, as well as the ore mineralization history of Bajo de la Alumbrera, a world-class porphyry copper-gold deposit in northwestern Argentina. The deposit occurs in the K-rich...
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Journal Article
Published: 01 December 2004
The Canadian Mineralogist (2004) 42 (6): 1757–1769.
.... The Capillitas diatreme is located within the Farallón Negro volcanic complex, which is host to large porphyry Cu–Au deposits (Bajo de la Alumbrera, Agua Rica) and genetically related epithermal vein-type deposits. The mineral assemblage that contains putzite is composed of bornite, chalcocite, sphalerite...
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Journal Article
Published: 01 October 2009
The Canadian Mineralogist (2009) 47 (5): 1177–1194.
.... & White , N.C. ( 2005 ): Bajo de la Alumbrera copper–gold deposit: stable isotope evidence for a porphyry-related hydrothermal system dominated by magmatic aqueous fluids . Econ. Geol . 100 , 863 – 886 . Hawthorne , F.C. & Henry , D.J. ( 1999 ): Classification...
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Journal Article
Published: 01 December 2006
The Canadian Mineralogist (2006) 44 (6): 1481–1497.
... as intrusive subvolcanic rocks of largely andesitic composition ( Fig. 1A ; Sasso 1997 , Sasso & Clark 1998 ). Intrusive rocks are restricted to various volcanic centers ( Fig. 1A ) and host porphyry Cu–Au deposits ( e.g. , Bajo de la Alumbrera, Agua Rica) and epithermal vein-type deposits (Farallón...
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Journal Article
Journal: Economic Geology
Published: 01 March 2017
Economic Geology (2017) 112 (2): 221–244.
... of mafic magma involved in the magma mixing. Applying this latter approach to two other porphyry Cu-mineralized magma systems (Santa Rita, USA; Bajo de la Alumbrera, Argentina) and several modern arc magma systems suggests that ore-forming intermediate magmas in mineralized systems were not unusually Cu...
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Journal Article
Journal: Economic Geology
Published: 01 June 2015
Economic Geology (2015) 110 (4): 857–888.
... suggest high K calc-alkalic composition, similar to the monzonitic Cu-(Mo-Au) class of porphyry deposits, which includes Bingham and Bajo de la Alumbrera. Red Chris is also classified as an A vein type deposit due to strong control of higher grade Cu-Au by A vein stockworks with abundant disseminated Cu...
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Journal Article
Published: 01 October 2004
The Canadian Mineralogist (2004) 42 (5): 1443–1464.
... in the light of experimental studies in the system NaAlSi 3 O 8 –KAlSi 3 O 8 –SiO 2 – H 2 O . Geol. Soc. Am., Mem . 74 . Ulrich , T. , Gunther , D. & Heinrich , C.A. ( 2002 ): The evolution of a porphyry Cu–Au deposit, based on LA–ICP–MS analysis of fluid inclusions: Bajo delar...
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Journal Article
Journal: Geology
Published: 01 August 2011
Geology (2011) 39 (8): 731–734.
..., 2007 ). Diffusive equilibration between fluids and altered rocks is even faster, which was used to suggest that a large porphyry deposit like Bajo de la Alumbrera (northwestern Argentina) may form within <100 yr ( Cathles and Shannon, 2007 ). These rapid time scales contrast with interpretations...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.248.01.13
EISBN: 9781862394964
... of the evolution of the calcalkaline Farallón Negro Volcanic Complex hosting the Bajo de la Alumbrera porphyry Cu-Au deposit (Argentina), and supplementary fluid-chemical data from Bingham (Utah) and other examples, permit a quantitative re-assessment of the fundamental processes controlling the key economic...
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Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2012
DOI: 10.5382/SP.16.22
EISBN: 9781629490410
..., and by physical-chemical models involving the fluid density. Single-phase, vapor-rich, and hypersaline liquid inclusions from giant porphyry deposits at Bingham, El Teniente, Bajo de la Alumbrera, Questa, and Butte present a characteristic Zn/Pb ratio, ranging from 1 to 6 in the order of the listed deposits...
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Journal Article
Journal: Geology
Published: 01 July 2017
Geology (2017) 45 (7): 623–626.
... and trace element geochemistry with (2) plagioclase textures, we discovered an intimate connection between an ignimbrite eruption and a nearby world-class porphyry deposit (Bajo de la Alumbrera in the late Miocene Farallón Negro Volcanic Complex of Argentina). Our results indicate that the magmatic...
FIGURES
Series: Special Publications of the Society of Economic Geologists, Special Publications of the Society of Economic Geologists
Published: 01 January 2005
DOI: 10.5382/SP.12.11
EISBN: 9781629490366
... the Ann Mason porphyry copper deposit, Yerington district, Nevada; the Bajo de la Alumbrera mine; Argentina; the El Abra-Fortuna-Chuquicamata districts of Chile; and the Pioneer Mountains of Montana. Beyond the use of traditional paper-based mapping methods, recent technological advances include global...
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