{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:14:48Z","timestamp":1760058888886,"version":"build-2065373602"},"reference-count":159,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2025,5,4]],"date-time":"2025-05-04T00:00:00Z","timestamp":1746316800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"GeoBioTec Research Center","award":["UIDB\/04035\/2020"],"award-info":[{"award-number":["UIDB\/04035\/2020"]}]},{"name":"PhD scholarship awarded","award":["UIDB\/04035\/2020"],"award-info":[{"award-number":["UIDB\/04035\/2020"]}]},{"name":"Portuguese Foundation for Science and Technology (FCT)","award":["UIDB\/04035\/2020"],"award-info":[{"award-number":["UIDB\/04035\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Minerals"],"abstract":"<jats:p>The Junqueira massif is a syn- to late-kinematic Variscan batholith intruded into Ediacaran-Cambrian metasedimentary rocks of the Douro-Beiras Supergroup (DBSG) in the Central Iberian Zone. The batholith occupies the axial zone of the Porto-Viseu antiform, a large NW-SE trending megascopic domal structure formed during the last Variscan ductile deformation event. Field and petrographic evidence reveals that the Junqueira batholith comprises several units of leucocratic granites distinguished by variations in grain size and relative proportions of the main rock-forming minerals. This work provides new petrographical, geochemical, Sr\u2013Nd isotope data and ID-TIMS U\u2013Pb ages for the Junqueira batholith. U\u2013Pb dating of zircon and monazite by ID-TIMS gives a crystallization age of ca. 312\u2013309 Ma for this batholith. Combined geochemical and Sr\u2013Nd isotopic data for the different granite units (ASI &gt; 1.1; high SiO2 and K2O contents, low CaO, MgO, Ba, Sr, moderately fractionated REE patterns, Eu negative anomalies, 87Sr\/86Sri &gt; 0.713, \u03b5Nd310 = \u22123.5 to \u22125.9; TDM = 1.1\u20131.4 Ga) support a provenance by fluid-absent melting processes of exclusively supracrustal sources (mainly metapelites), similar to the adjoining country rocks of the Beiras Group of the DBSG.<\/jats:p>","DOI":"10.3390\/min15050481","type":"journal-article","created":{"date-parts":[[2025,5,4]],"date-time":"2025-05-04T20:10:27Z","timestamp":1746389427000},"page":"481","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Petrogenesis and U\u2013Pb Dating of Variscan S-Type Granites from the Junqueira Batholith (Central Iberian Zone)"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0463-9229","authenticated-orcid":false,"given":"Lu\u00eds","family":"Portela","sequence":"first","affiliation":[{"name":"GeoBioTec Research Unit, Department of Geosciences, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal"}]},{"given":"Maria Ros\u00e1rio","family":"Azevedo","sequence":"additional","affiliation":[{"name":"GeoBioTec Research Unit, Department of Geosciences, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal"}]},{"given":"Beatriz","family":"Valle Aguado","sequence":"additional","affiliation":[{"name":"GeoBioTec Research Unit, Department of Geosciences, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal"}]},{"given":"Maria Mafalda","family":"Costa","sequence":"additional","affiliation":[{"name":"GeoBioTec Research Unit, Department of Geosciences, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1885-7614","authenticated-orcid":false,"given":"Jorge","family":"Medina","sequence":"additional","affiliation":[{"name":"GeoBioTec Research Unit, Department of Geosciences, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2025,5,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"669","DOI":"10.1038\/35047000","article-title":"Granite Magma Formation, Transport and Emplacement in the Earth\u2019s Crust","volume":"408","author":"Petford","year":"2000","journal-title":"Nature"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1144\/0016-76492009-072","article-title":"The Generation and Evolution of the Continental Crust","volume":"167","author":"Hawkesworth","year":"2010","journal-title":"J. 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