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Resultats globals: 3 registres trobats en 0.02 segons.
Articles, 3 registres trobats
Articles 3 registres trobats  
1.
19 p, 3.6 MB Late-Variscan multistage hydrothermal processes unveiled by chemical ages coupled with compositional and textural uraninite variations in W-Au deposits in the western Spanish Central System Batholith / Timón Sánchez, Susana (Instituto Geológico y Minero de España) ; López-Moro, Francisco Javier (Universidad de Salamanca. Departamento de Geología) ; Romer, R. L. (Deutsches GeoForschungsZentrum (GFZ)) ; Rhede, D. (Deutsches GeoForschungsZentrum (GFZ)) ; Fernández-Fernández, Agustina (Universidad de Salamanca. Departamento de Geología) ; Moro-Benito, María Candelas (Universidad de Salamanca. Departamento de Geología)
The scheelite skarn from Los Santos and the W-Au veins from El Cabaco district, located in the Spanish Central System Batholith (SCSB), are some of the best-known tungsten ore deposits in Spain. Uraninite is an accessory mineral in both deposits, which underwent several hydrothermal flow events. [...]
2019 - 10.1344/GeologicaActa2019.17.1
Geologica acta, Vol. 17 (2019) , p. 1-19 (Articles)  
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2.
21 p, 5.8 MB Experimental early crystallization of K-feldspar in granitic systems : implications on the origin of magmatic fabrics in granitic rocks / Díaz-Alvarado, J. (Universidad de Atacama. Departamento de Geología)
One of the most outstanding characteristics of some granodioritic to granitic rocks is the presence of K-feldspar megacrysts. For instance, granodiorites and monzogranites of the Spanish Central System batholith present variable amounts of large (up to 10cm in length) euhedral K-feldspar crystals. [...]
2017 - 10.1344/GeologicaActa2017.15.4.2
Geologica acta, Vol. 15 Núm. 4 (2017) , p. 261-281  
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3.
10 p, 2.6 MB Permian 40Ar/39Ar ages for post-Variscan minor intrusions in the Iberian Range and Spanish Central System / Perini, Giulia (Università di Firenze. Dipartimento di Scienze della Terra) ; Jan Timmerman, Martin (Universität Potsdam. Institut für Geowissenschaften) ; Museo Nacional de Ciencias Naturales. Departamento de Geología
40Ar/39Ar dating of biotite from a calc-alkaline gabbro stock NW of Loscos in the Iberian Range yielded a slightly disturbed gas release spectrum. It has an early Permian, 288. 5 ± 1. 4 Ma total gas age, interpreted as the minimum emplacement age. [...]
2008 - 10.1344/105.000000261
Geologica acta, Vol. 6, Núm. 4 (Desembre 2008) , p. 335-344  
Registre complet - Creative Commons

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