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Browsing Geogaceta -- Nº 36, (2004) by Author "Rubio Ordóñez, Álvaro"
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Los cantos volcánicos del conglomerado basal de la Fm. Herrería: Evidencias de un Volcanismo Neoproterozoico en la base del Cámbrico
(Sociedad Geológica de España, 2004)In the East limb of the Narcea Antiform (Iberian massif) outcrops siliciclastic Cambrian materials with uncomformity disposition over the Neoproterozoic Narcea Slates. The lower Cambrian Herrería Fm. in the Cantabrian Zone ... -
Magmatismo Neoproterozoico calcoalcalino en el Antiforme del Narcea (N de España)
(Sociedad Geológica de España, 2004)4 sequence of acid to basic igneous rocks is exposed within Neoproterozoic sediments of the Narcea Antiform (N of the Iberian Variscan Belt). Volcanic and volcanoclastic rocks, classically known as 'porphyroids', are ...
