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dc.contributor.authorChinchilla, Daríoes_ES
dc.contributor.authorArroyo, X.es_ES
dc.contributor.authorMerinero, R.es_ES
dc.contributor.authorPiña, Rubénes_ES
dc.contributor.authorNieto, F.es_ES
dc.contributor.authorOrtega, L.es_ES
dc.contributor.authorLunar, Rosarioes_ES
dc.date.accessioned2019-06-17T10:56:23Z-
dc.date.available2019-06-17T10:56:23Z-
dc.date.issued2016-12-
dc.identifier.citationApplied Clay Science 134(3): 210-220 (2016)es_ES
dc.identifier.issn0169-1317-
dc.identifier.urihttp://hdl.handle.net/10261/184238-
dc.description.abstractTwo textural types of chlorite are identified in the mineralised veins at the Patricia Zn-Pb-Ag epithermal ore deposit (NE, Chile): massive and oscillatory-zoned radiated chlorites. Three main stages of mineralisation have been defined in the Patricia deposit: (1) pre-ore stage, (2) base-metal stage which is divided into two substages: substage 2a and substage 2b and (3) post-ore stage. Both types of chlorite are classified as chamosite and occur coeval to the sphalerite precipitation during the substage 2a. Massive chlorite shows an average content of 33 wt.% FeO, 4.9 wt.% MnO, and 4 wt.% MgO. Oscillatory zoning in radiated chlorites consists of concentric bands with different contents on FeO (from 26.45 to 41.41 wt.%), MgO (from 1.7 to 5.44 wt.%) and MnO (from 1.7 to 9.32 wt.%). Four different chlorite geothermometers based on the system SiO2-Al2O3-FeO-MgO-H2O were applied to both types of chlorites. The temperature estimations are in agreement with temperatures data of fluid inclusions previously measured in sphalerite of the sub-stage 2a. Despite the high content in Mn of chlorites, the study confirms the applicability of the chlorite geothermometers without the knowledge of the Fe3 +/Fe ratio in low-pressure paragenesis and its usefulness as an important tool for characterising the thermal conditions in epithermal ore deposits.es_ES
dc.description.sponsorshipThis research was financially supported by the project CGL2010 – 17668 of the Ministerio de Economía y Competitividad of Spain.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsclosedAccesses_ES
dc.subjectOscillatory-zoned chloritees_ES
dc.subjectRadiated chloritees_ES
dc.subjectEpithermal deposites_ES
dc.subjectMn-rich chloritees_ES
dc.subjectGeothermometeres_ES
dc.titleChlorite geothermometry applied to massive and oscillatory-zoned radiated Mn-rich chlorites in the Patricia Zn-Pb-Ag epithermal deposit (NE, Chile)es_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.clay.2016.10.013-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.clay.2016.10.013es_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.contributor.orcidChinchilla, Darío [0000-0002-9700-6091]es_ES
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