Repository logo
 
Publication

From source to surface: clues from garnet-bearing Carboniferous silicic volcanic rocks, Iberian Pyrite Belt, Portugal

2024-04Journal article Open access
Simple item page
dc.contributor.authorCravinho, André
dc.contributor.authorRosa, Diogo
dc.contributor.authorRelvas, Jorge M.R.S.
dc.contributor.authorSolá, A. Rita
dc.contributor.authorPereira, Inês
dc.contributor.authorPaquette, J. L.
dc.contributor.authorBorba, M. L.
dc.contributor.authorTassinari, Colombo C. G.
dc.contributor.authorChew, David
dc.contributor.authorDrakou, Foteini
dc.contributor.authorBreiter, Karel
dc.contributor.authorAraújo, Vítor
dc.date.accessioned2024-04-12T16:06:55Z
dc.date.available2024-04-12T16:06:55Z
dc.date.issued2024-04
dc.description.abstractABSTRACT: This work investigates the relationships between partial melting, melt extraction, pluton growth and silicic volcanism in garnet-bearing felsic volcanic rocks that were extruded in the Iberian Pyrite Belt, at ca. 345 Ma. The garnets are of peritectic origin, displaying textural and chemical features of disequilibrium crystallization during partial melting reactions involving biotite at high temperatures (up to 870 degrees C) in the middle-lower crust. Major element composition suggests compositional equilibrium with the entrained and pinitized peritectic cordierite, but reveals some subsequent homogenization by diffusion. Trace element maps and spot analyses of garnet show, nonetheless, significant trace element variations, reflecting biotite and Y-REE-P-rich accessory phase breakdown during partial melting reactions. Peritectic garnet and cordierite growth resulted in the preservation of Th- and Y-rich prograde suprasolidus monazite, which constrains the timing of partial melting of the metapelitic protolith at ca. 356.8 +/- 2.4 Ma. The zircon cargo further shows that a significant amount of zircon crystals from previously crystallized felsic melts were also remobilized and erupted. These were likely stored in an upper crustal pluton that grew episodically since ca. 390 Ma during voluminous melt generation periods within the middle to lower crust, which also resulted in voluminous volcanism. The geochemical trends of the felsic volcanic rocks reflect the entrainment of xenoliths of peritectic garnet, cordierite and feldspar, and as such, the garnet-bearing felsic volcanic rocks represent an erupted mixture of a lower-temperature (ca. 770 degrees C) silicic melt and autocrysts, and peritectic phases and zircon crystals from previously crystallized and stored felsic melts.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCravinho, A., Rosa, D., Relvas, J.M.R.S., Solá, A.R., Pereira, I., Paquette, J.L., Borba, M.L., Tassinari, C.C.G., Chew, D., Drakou, F., Breiter, K. & Araújo, V. (2024) From source to surface: clues from garnet-bearing Carboniferous silicic volcanic rocks, Iberian Pyrite Belt, Portugal. In: Contributions to Mineralogy and Petrology, 2024, vol.179 (4), article nº 32. https://doi.org/10.1007/s00410-024-02106-3pt_PT
dc.identifier.doi10.1007/s00410-024-02106-3pt_PT
dc.identifier.eissn1432-0967
dc.identifier.issn0010-7999
dc.identifier.urihttp://hdl.handle.net/10400.9/4281
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationInstituto Dom Luiz
dc.relationInstituto Dom Luiz
dc.relation.publisherversionhttps://doi.org/10.1007/s00410-024-02106-3pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPetrogenesispt_PT
dc.subjectCarboniferouspt_PT
dc.subjectVolcanic rockspt_PT
dc.subjectIberian Pyrite Beltpt_PT
dc.subjectMineralogypt_PT
dc.subjectPetrologypt_PT
dc.titleFrom source to surface: clues from garnet-bearing Carboniferous silicic volcanic rocks, Iberian Pyrite Belt, Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleInstituto Dom Luiz
oaire.awardTitleInstituto Dom Luiz
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50019%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50019%2F2020/PT
oaire.citation.titleContributions to Mineralogy and Petrologypt_PT
oaire.citation.volume179pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCravinho Santos
person.familyNameRosa
person.familyNameRelvas
person.familyNameSolá
person.familyNamePereira
person.familyNameChew
person.familyNameDrakou
person.familyNameBreiter
person.givenNameAndré
person.givenNameDiogo
person.givenNameJorge
person.givenNameA. Rita
person.givenNameInês
person.givenNameDavid
person.givenNameFoteini
person.givenNameKarel
person.identifier.ciencia-idCC15-B6CC-084A
person.identifier.ciencia-id4C1A-C35F-BE25
person.identifier.ciencia-id4713-7D9F-6567
person.identifier.ciencia-idC113-4776-D146
person.identifier.orcid0000-0002-1534-029X
person.identifier.orcid0000-0003-0160-5215
person.identifier.orcid0000-0003-1228-2247
person.identifier.orcid0000-0001-9567-5470
person.identifier.orcid0000-0001-9028-2483
person.identifier.orcid0000-0002-6940-1035
person.identifier.orcid0000-0001-6618-4541
person.identifier.orcid0000-0002-7654-4165
person.identifier.ridI-4511-2017
person.identifier.ridC-6427-2013
person.identifier.ridG-6378-2015
person.identifier.ridB-7828-2008
person.identifier.scopus-author-id7006112964
person.identifier.scopus-author-id15119407000
person.identifier.scopus-author-id56262014300
person.identifier.scopus-author-id24486420300
person.identifier.scopus-author-id6603839460
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationc285b1b4-1fe0-43d2-9273-7b93efaf8500
relation.isAuthorOfPublication3ebd4b2e-9450-47a8-8988-839d58d1cce3
relation.isAuthorOfPublication43363a57-fdf0-46f4-bcfc-73c126c6db8f
relation.isAuthorOfPublication96d92535-8625-449c-b580-01e42baaa59c
relation.isAuthorOfPublicationbccd5806-2789-4ab0-af8b-37a0361bcb9c
relation.isAuthorOfPublication0dc09df0-8c8e-4daa-90d9-3ba3ba41f563
relation.isAuthorOfPublicationa649f68c-62b2-419b-a5bc-c3fbe5779a55
relation.isAuthorOfPublicationaa975fae-8aa8-46ec-a7c5-5a39bfe46124
relation.isAuthorOfPublication.latestForDiscoverybccd5806-2789-4ab0-af8b-37a0361bcb9c
relation.isProjectOfPublication3de2879d-98bc-4e52-9be2-e10e258ed2ac
relation.isProjectOfPublication8e4335f3-f729-4b43-8b02-41dfa576ca21
relation.isProjectOfPublication.latestForDiscovery8e4335f3-f729-4b43-8b02-41dfa576ca21

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
ContributionsMineralogy&Petrology_vol.179_article32.pdf
Size:
834.17 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

GCG - Artigos em revistas internacionais