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Browsing Geogaceta -- Nº 26, (1999) by Issue Date
Now showing items 21-31 of 31
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Quaternary reverse surface faulting in Mallorca Island (Baleares, Spain): Relationships with historical seismicity
(Sociedad Geológica de España, 1999)Se analiza una falla Inversa que afecta a depósitos cuaternarios de relleno de la Dolina de Portol, situada en la zona epicentral del terremoto de Palma de 1851 (VIII MSK). La falla presenta un desplazamiento inverso ... -
Foraminíferos bentónicos holocenos del talud de Guyana y Surinam (Atlántico Central): su relación con las masas de agua
(Sociedad Geológica de España, 1999)The study of two sedimentary Holocene cores from the upper slope of Cuianas (Central West Atlantic) allows for the identification of 139 species of benthic foraminifers. This microfauna is similar to those identified in ... -
Análisis integral (micropaleontología y sedimentologia) de un sondeo supramareal Holoceno en la ria de Gernika (Golfo de Vizcaya)
(Sociedad Geológica de España, 1999)The microfauna (foraminifers, ostracods) and sedimentology of a core from the supratidal polluted area of the Ria of Gernika (S of Bay of Biscay) have been analysed in this work. Four different episodes have been recognised ... -
Análisis de la microfracturación en la Isla Decepción, Antártida Occidental
(Sociedad Geológica de España, 1999)The micro fracture patterns in Deception Island, an active shield volcano located in (he Bransfield Strait, Antarctic Peninsula region, are studied here for the first time. 143 faults have been measured in five sites ... -
Estudio por microscopía electrónica de transmisión de saponita activada
(Sociedad Geológica de España, 1999)This work studies the modifications undergone by the Creen Clays Saponite in the Tagus Basin subjected to activation treatments, and stresses the influence of the development of the electronic microscopy technique for ... -
La glaciación del límite Ordovícico-Silúrico en el Altiplano de Perú: evidencias e implicaciones tectónicas
(Sociedad Geológica de España, 1999)The Lower Paleozoic strati graphic sequence cropping out immediately to the north of Ayaviri (Peruvian Altiplano) belongs to the Eastern Cordillera tectonostratigraphic domain, and includes the Sandia, San Gabán and Ananea ... -
Aplicación de imágenes satelitarias a la caracterización del macizo de Valencia del Ventoso
(Sociedad Geológica de España, 1999)Valencia del Ventoso Massif (MW), (south Badajoz, Spain), is a late-hercynical inversely zonated pluton, composed by a wide range of lithologies, from ultramafic to granitic rocks. Landsat TM images has been digitally ... -
Magmatismo alcalino tardicadomiense en la zona de Ossa Morena (Macizo Ibérico): Cartografía, petrografía y geoquímica preliminar del Macizo de Almendral
(Sociedad Geológica de España, 1999)The Almendral massif is located in the north-western branch of the Olivenza-Monesterio antiform (Ossa Morena Zone, Iberian Massif, Spain). The pluton is composed by gabbros, sienites and alkaline granites which define an ... -
Revisión estratigráfica del intervalo Kimmeridgiense medio-Tithonico basal en el perfil G10 del sector de Venta Quesada (Sierra Gorda, provincia de Granada)
(Sociedad Geológica de España, 1999)The updated stratigraphic revision of Middle Kimmeridgian - lowermost Tithonian ammonitico rosso in the Gw section at the sector of Venta Quesada (Sierra Corda, Internal Subbetic, southern Spain) enables the evaluation of ... -
Subambientes sedimentarios del sector noroeste de la laguna de Gallocanta. Provincia de Zaragoza
(Sociedad Geológica de España, 1999)The study carried out in nortwestern sector of the carbonate-saline lake of Gallocanta point out that lutite, sapropel and salt deposition dominate in this lake, although in some zones sandstone and gravel deposition is ... -
Depuración de aguas residuales mediante técnicas no convencionales: el filtro verde de Patones (Madrid)
(Sociedad Geológica de España, 1999)The land applications are appropriate systems for the purification of domestic wastewaters, of small rural populations. Their efficiency is high and if their management is suitable, they can provide an economic benefit ...
