Thesis Collection
Last Deposit
Geogaceta -- Nº 12, (1992)
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Recent Submissions
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Zonación ambiental de «mounds» algales del Carbonífero de la Zona Cantábrica (NO de España)
(Sociedad Geológica de España, 1992)Limestones are conspicuous within the shallow water rocks of the Carboniferous (Namurian-Westphalian) foreland basin sequences of the Cantabrian Zone. These limestone bands, containing oustanding algal bioherms, show a ... -
Variación del patrón de diaclasas a lo largo de la serie neógena de la Sierra de Sigena (Huesca): Posible relación con el campo de esfuerzos y su perturbación
(Sociedad Geológica de España, 1992)Neotectonic joints in the Ebro basin strike uniformly NNW-SSE, perpendicular or nearperpendicular to the direction of <33 in the moment it developed. Within the Sierra de Sigena there are joints with anomalous strikes. ... -
Un modelo alternativo al Anticlinal del Manubles (Cadena Ibérica Occidental)
(Sociedad Geológica de España, 1992)A new structural map for the Cambrian outcrops located between Ateca and Morns (Occidental Iberian Chain) is presented. Based on this map and our tectonic data we suggest an alternative model for the vManubles Anticlinal», ... -
Transporte de sedimentos en suspension en la parte baja del río Ebro (Mediterráneo Occidental). Impacto ambiental de las presas
(Sociedad Geológica de España, 1992)Seven surveys were carried out to study the suspended sediment transport in the lower course of the Ebro River. Damming of the river and its tributaries has caused a high retention of the sediment load and has regulated ... -
Synonimy of Castillomys rivas Martin Suarez and Mein, 1991, Castiliomys Plinensis Ruiz Bustos, 1991 and C. Crusafonti Meini Ruiz Bustos, 1991
(Sociedad Geológica de España, 1992)Castillomys rivas Martin Suárez and Mein, 1991, Castillomys plinensis Ruiz Bustos, 1991 and C . crusafonti meini Ruiz Bustos, 1991 are considered to be synonyms. Accord ing to the International Code of Zoological Nomenclature ... -
Sobre la presencia de Bastnaesita y su papel en la evolución geoquímica del Complejo Alcalino del Galiñeiro (Galicia, España)
(Sociedad Geológica de España, 1992)In this papaer were port the existence of bastnaesite (REE-fhjocarbonate) in the Galiñeiro alkaline complex (Pontevedra, Galicia); we show an aproximaron to ist chemical composition by electron -microprobe, and we discuss ... -
Reconocimiento hidroquímico de zonas endorreicas del Karst evaporítico de Antequera (Málaga)
(Sociedad Geológica de España, 1992)Some small temporary and permanent lakes near Antequera (Malaga) have been monitored in order to identify their main hydrochemical features. They display a wide variety both in chemical facies and salinity. The origin of ... -
Significado de bioturbaciones en un medio evaporítico continental (Mioceno de la Cuenca de Madrid)
(Sociedad Geológica de España, 1992)Several types of bioturbation traces have been recognized within sedimentary deposits belonging to the Miocene Lower and Intermediate Units of the Eastern part of the Madrid Basin. The bioturbation traces are developed in ... -
Principales estructuras biogénicas en el Plioceno marino de la Cuenca del Baix Llobreeat (Catalunya)
(Sociedad Geológica de España, 1992)The Pliocene basin of the Baix Llobregal (Catalonia) has proportionated an important record of trace fossils. These are a result of both bioerosion activity in hard substrates and bioturbation in the soft sediments. The ... -
Primeras aportaciones a la Paleoicnología del grupo Murero (Cámbrico inferior-medio) en Murero. (Provincia de Zaragoza. Cadena Ibérica Occidental)
Gámez Vintaned, José Antonio; Mayoral Alfaro, Eduardo
(Sociedad Geológica de España, 1992)
The distribution of occurring ichnotaxa along the «rambla de Valdemiedes -1 » section (RVi), Murero Croup, locality of Murero (Occidental Iberian Chain; province of Zaragoza, Spain) and ils relations with the biofacies are ... -
Nuevos datos sobre el neogeno continental en el sector noreste de la cuenca de Granada, Cordillera Bética
(Sociedad Geológica de España, 1992)Three new microvertebrate sites in the Granada basin, are studied. These sites allow to precise the biostratigraphy and paleoecoiogy o f the continental deposits (lacustrine marls a nd claystones) in the area -
Nota preliminar sobre la presencia de sudoita en las metapelitas de la unidad de Trevenque, Alpujárrides centrales
(Sociedad Geológica de España, 1992)Sudoite (MgAl)(Ai2)(SijA 1)0l0(OH)a has been found in the metapelltic formation of the Trevenque Unit. This mineral appears as a secondary phase produced by transformation of HP-LT characteristic minerals. Sudoite grows ... -
New data on the Spherules from the Cretaceous-Tertiary Boundary Layer at Caravaca (SE Spain)
(Sociedad Geológica de España, 1992)Las esférulas de la lámina de sedimento que marca el tránsito K/T en Caravaca están compuestas de Kfs prácticamente puro (S il 0 } O eA l 1i02K0 93 N a 0Xt1) con texturas fibroradiales y dendriticas. Inicialmente fueron ... -
Neotectónica y morfología en la región de Muñico (Avila)
(Sociedad Geológica de España, 1992)The studied area shows morphological characteristics reflecting the local tectonics and the Alpine fracturation patterns, which might be related to the reactivation of previous tardihercinian trends. The deformation affect ... -
Nuevo yacimiento de vertebrados del Mioceno Superior al Sur de Madrid (Cerro Batallones, Torrejón de Velasco)
(Sociedad Geológica de España, 1992)We are presenting the finding of a new site of vertebrate fossils in C° Batallones (Torrejdn de Velasco), which is situated in the southern area of the Madrid basin. The site lies in facies which correspond to the top of ... -
Morfología y Zonación de los Granates en el plutón granítico de Ponferrada (España)
(Sociedad Geológica de España, 1992)Carnet occurs as an accesory phase mainly in the aplitlc facies of the Ponferrada Pluton (BoatLos Ancares Belt) (LeDuc, 1970; Su&rez, 1970). Three different types of garnet have been recognized on the basis of their ... -
Metodología de investigación geotècnica de la inestabilidad de Ladera de Boó (Asturias)
(Sociedad Geológica de España, 1992)Here is commented the research countryside applied in the geothecnical study of a slope unstability in Boo, a little village In Asturias. The quick progresión of such unstabilityand the high doubts in the geological model ... -
Magnetoestratigrafía del Triásico medio de la Cadena Costero Catalana. Resultados iniciales
(Sociedad Geológica de España, 1992)A magnetostratigraphic reconnaissance of the Middle Muschelkalk red beds from the Catalan Coastal Range is presented. The selected section is composed by red mudstones and sandstones 25 mt thick. Although the sedimentay ... -
Litologías manganesíferas del área central de Ossa-Morena (SW de Badajoz)
Jiménez Millán, Juan; Ruiz de Almodóvar Sel, Gabriel; Velilla, N. (Sociedad Geológica de España, 1992)
Mangenese lithologies from Oliva de la Frontera area occur in the Cumbres-Hinojales unit (Ossa-Morena South-Central Belt) within a Lower Ordovician age volcanosedimentary sequence. Petrographic study allows to differentiate ... -
Materia orgánica en la Fm. Arenas de Utrillas de Picofrentes (provincia de Soria): diagénesis mineral y orgánica
(Sociedad Geológica de España, 1992)By Rock-Eval pyrolysis method, fluorescence, microscopy and S.E.M. with E.D.A.X. analysis, the organic matter rich horizonts at the top of Utrillas Fm. in Picofrentes log were studied. Ail samples are potencially good ...
