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Browsing by Subject "Hesperian Massif"
Now showing items 1-5 of 5
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Datos bioestratigráficos de los materiales silúricos del Sinclinal de Herrera del Duque (Badajoz)
(Sociedad Geológica de España, 1990)The Silurian sequence in the Herrera del Duque syncline (Southern Central Iberian zone) starts with 20 m of black shales (Guadarranquejo Formation) which lay disconformably upon the Hirnantian diamictites (Gualija Formation). ... -
Dos nuevos yacimientos con graptolitos silúricos en la región de Alange (Badajoz)
(Sociedad Geológica de España, 1996)Two new fossil localities yielding graptolites of the, (undgreni and leintwardinensis biozones (early Homerian and basal Lùdfordiàn, respectively) are studied from the Al an gè region, which lies on the southernmost part ... -
Fósiles ordovícicos del NO de Adamuz (Córdoba): aportación paleobiogeográfica a la concepción del límite entre las Zonas Centroibérica y Ossa Morena durante el Paleozoico
(Sociedad Geológica de España, 1987)The Ordovician outcrop at NW Adamuz (Córdoba province), previously regarded as belonging to in the Ossa Morena Zone by some authors, contains several fossiliferous levels of Lower Llanvirn, Upper Llanvirn-Llandeilo and ... -
La tectónica alpina de la Falla de Alentejo-Plasencia (Macizo Hespérico)
(Sociedad Geológica de España, 1996)Alentejo-Plasencia fault was active during the alpine compressional phases with a sinistral strike-slip movement in two main stages. The fault geometry was straight and no important bendings formed during Paleogene, when ... -
Las areniscas de la Formación de Gordexola (Albiense, flanco sur del Anticlinorio de Bilbao, Vizcaya) I: Composición y procedencia
(Sociedad Geológica de España, 1997)The sandstones of the Gordexola Formation have been petrologically and geochemically studied. The averageofQ(= 57%), FdK+Plag(= 6%) and rock fragments (= 4%) in sandstones was plotted against the Dickinson et al. (1983) ...
