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Andacollo copper-gold district, La Serena, Chile: Preliminary data from the porphyry copper and possible relationships between Cu and Au mineralization

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dc.contributor.authorGuzman, J.
dc.contributor.authorCollao, S.
dc.contributor.authorOyarzun Muñoz, Roberto
dc.date.accessioned2024-03-21T14:15:43Z
dc.date.available2024-03-21T14:15:43Z
dc.date.issued2000
dc.descriptionThe Andacollo mining district is located in the Coquimbo region of Chile at 30°14’ south, 71°06’ west, some 55 km southeast of La Serena, at a mean elevation of 1030 m within a semi-arid hilly landscape. Current mining activity in the district is concentrated on copper and gold. These metals are mined, respectively, from a porphyry copper deposit and epithermal, manto and vein gold deposits of adularia– sericite type. Other types of mineralization include mercury veins hosted by carbonate rocks. The gold veins are controlled by a northwest-trending set of normal faults, whereas the manto-type mineralization is strata-bound and largely confined to andesite breccias, dacites and sites of strong fracturing. The lateral and vertical continuity of the mantos is strongly controlled by rock type, faulting and intensity of fracturing. The gold deposits have been the focus of a recent study, but comparable information on the Andacollo porphyry has not become available. A brief, updated geological perception of the porphyry is now presented and possible relationships between the copper and gold deposits are analysed.
dc.description.departmentDepto. de Mineralogía y Petrología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.statuspub
dc.identifier.citationJ. Guzmán, S. Collao & R. Oyarzun (2000) Andacollo copper–gold district, La Serena, Chile: preliminary data from the porphyry copper and possible relationships between Cu and Au mineralization, Applied Earth Science, 109:2, 121-125, DOI: 10.1179/ aes.2000.109.2.121
dc.identifier.doi10.1179/aes.2000.109.2.121
dc.identifier.essn1743-2758
dc.identifier.issn0371-7453
dc.identifier.officialurlhttps://doi.org/10.1179/aes.2000.109.2.121
dc.identifier.relatedurlhttps://www.tandfonline.com/doi/abs/10.1179/aes.2000.109.2.121
dc.identifier.urihttps://hdl.handle.net/20.500.14352/102464
dc.issue.number2
dc.journal.titleApplied Earth Science
dc.language.isoeng
dc.page.final125
dc.page.initial121
dc.publisherTaylor & Francis
dc.rights.accessRightsrestricted access
dc.subject.cdu549(83)
dc.subject.ucmMineralogía (Geología)
dc.subject.unesco2506.11 Mineralogía
dc.titleAndacollo copper-gold district, La Serena, Chile: Preliminary data from the porphyry copper and possible relationships between Cu and Au mineralization
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number109
dspace.entity.typePublication
relation.isAuthorOfPublication07e25399-5798-4f11-95b9-6084418bfe0b
relation.isAuthorOfPublication.latestForDiscovery07e25399-5798-4f11-95b9-6084418bfe0b

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