bentonite deposits at cabo de gata almeria - search results
Docu-menta: Thermo-hydro-mechanical characterisation of a ...
This will prevent the forma- Thermo-hydro-mechanical characterisation of a bentonite from Cabo de Gata 10 tion of shrinkage cracks and preferential flow channels from becoming important. The high suction generated by drying may, with increasing hydraulic gradients, speed up the arrival of water to the internal areas of the barrier.
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Geology of Almería – semi-desert zone of Spain ...
Almeria, Rodalquilar, Cabo de Gata, bentonite, gold Abstract The paper presents selected geosites in the arid Province of Almería (Andalucia, Spain). This region is famous of exceptional, climatic and environmental conditions as well as of geological features.
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Geology Trips, Geotourism: Cabo de Gata Natural Park
For those who love geology trips, the Cabo de Gata Natural Park is one of the many geology paradises in the Province of Almeria. One may find cherry-red almandine garnets which lie in a drystream bed near Nijar or explore 'EL Hoyazo', which was a volcanic emission on the sea bed and its cone is made of a very unusual rock called "shoshonite".. From cream-coloured fossiliferous limestones ...
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Mineralogical and geochemical study of bentonite deposits ...
Delgado A, Caballero E, Reyes E (1993) Bentonite deposits at Cabo De Gata (Almeria, Spain) 2nd Biennial SGA Meeting. Granada.Field Trip Guide Book. 81–100. Evans MA (1993) Ore geology and industrial minerals an introduction. Blackwell publishing, Third edition, pp 389
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Portal IQ-UFRN - Notícia
Bentonite deposits at Cabo de Gata (Almeria). Dr. F. Javier Huertas (Andalusian Institute of Earth Sciences, CSIC-UGR). Guadix-Baza Basin. Dr. César Viseras Alarcón (Stratigraphy and Paleontology Dept, University of Granada). Alpujarra. Dr. Juan Ignacio Soto Hermoso (Andalusian Institute of Earth Sciences, CSIC-UGR). AIPEA School for Young ...
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DIGITAL.CSIC: Bentonite deposits at Cabo de Gata (Almeria ...
19 páginas, 4 figuras, 1 tabla.-- Trabajo presentado al 2nd SGA Biennial Meeting celebrado en Granada del 9 al 11 de septiembre de 1993. es_ES: dc.language.iso: eng: es_ES: dc.publisher: Universidad de Granada: es_ES: dc.rights: openAccess: es_ES: dc.title: Bentonite deposits at Cabo de Gata (Almeria, Spain) es_ES: dc.type: comunicación de ...
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BENTONITE DEPOSITS AT CABO DE GATA (ALMERIA, SPAIN ...
Since the 1950s, bentonite has been obtained from numerous deposits in the Cabo de Gata volcanic region (Almería, SE Spain) (Fig. 1). The mineral, which is of high quality, with
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Las bentonitas de la zona sur de Cabo de Gata (Almeria ...
Sobre las bentonitas de la región volcánica de Cabo de Gata existen numerosos estudios realizados tanto en el Norte de la región (Reyes, et al., 1981 a y b), como en la Serrata de Nijar (Martin Vivaldi y Linares, 1968b y Caballero et al., 1983). Este trabajo estudia las ca- racteristicas quimicas y mineralógicas de las bentoni-
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The Geology of the Cabo de Gata area. - San Jose Spain
The Geology of the Cabo de Gata area. The volcanic mountains in this corner of Almería run from Cabo de Gata to Carboneras. They are late-Alpine in age, being erupted some 16 million years ago at the southern end at Cabo de Gata, and 8 m years ago to the north.
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Occurrence of Fe-Mg-rich smectites and corrensite in the ...
Occurrence of Fe-Mg-rich smectites and corrensite in the Morron de Mateo bentonite deposit (Cabo de Gata region, Spain): A natural analogue of the bentonite barrier in a radwaste repository M. Pelayo a,*, E. Garcia-Romero b, M.A. Labajo a, L. Perez del Villar a • Departamento de Media Ambiente, CIEMAT, Avda, Complutense 22, 28040 Madrid, Spain
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The formation of bentonite: mass balance effects ...
There is some natural evidence that supports this conclusion. Thus, at some points in the volcanic region of Cabo de Gata (Almeria, Spain) there are bentonite dikes, extruded through fractures, which may derive from the collapse of the deposit overburden caused by matter loss during bentonite …
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DIGITAL.CSIC: Bentonite deposits at Cabo de Gata (Almeria ...
Título: : Bentonite deposits at Cabo de Gata (Almeria, Spain) Autor: : Delgado Huertas, Antonio CSIC ORCID; Caballero, E.; Reyes, Emilio: Fecha de publicación ...
ادامه مطلبbentonite deposits at cabo de gata almeria
BENTONITE DEPOSITS AT CABO DE GATA (ALMERIA, SPAIN . BENTONITE DEPOSITS AT CABO DE GATA (ALMERIA, SPAIN) DELGADO, A, CABALLERO, E, REYES, E Estación Experimental del Zaidín (eSLe) Prof Albareda, 1 18(X)8 Granada (SPAIN) INTRODUCTION Since the 1950s, bentonite has been obtained from numerous deposits in the Cabo de Gata volcanic region (Almería, SE Spain) …
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Stable oxygen and hydrogen isotopic composition of ...
The aim of this study is to investigate the nature of the solutions and the temperature during the bentonite formation by using δ 18 O and δ 2 H values and the relationship between chemical and isotopic composition of smectites from Cabo de Gata region. Therefore, 36 bentonite …
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Early stages of volcanic tuff alteration in hydrothermal ...
Volcanic tuff from the Cabo de Gata region in Almería, southeastern Spain, was altered under hydrothermal conditions at different temperatures (60 to 180°C), reaction times (60 to 360 days), and reacting solutions (deionized water and NaCl and KCl solutions with Na/K ratios from 0.01 to 100, and a total salt concentration of 0.1 to 1 M).X-ray diffraction (XRD) patterns of the reacted samples ...
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Apartment for sale in Formentera de Segura | Ref: V18969 ...
Apartment for sale in Formentera de Segura €74,500 ~ £63,291 * Ref: V18969 Start slideshow Make Favourite . Description… Just listed more information to follow shortly. Print property. Mortgage calculator… € (%) deposit (%) interest (years) Calculate payment = €/month.
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BENTONITE - HUAL
The special composition of the Cabo de Gata volcanic complex means that within it the greatest concentration of bentonite deposits in Spain formed. In fact, they constitute the only exploited industrial minerals that exist within the Natural Park.
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ROCAS PIROCLÁSTICAS - HUAL
Carecen de laminación dentro de las capas pero se reconoce bien una cierta «estratificación» por intermitencia eruptiva. No son frecuentes en todas las zonas del Cabo de Gata, debido a que las erupciones son submarinas someras. 2) Depósitos piroclásticos de flujo (flow deposits), de dos tipos: 2.1) Depósito tipo Ignimbrita.
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BENTONITE DEPOSITS AT CABO DE GATA (ALMERIA, …
Since the 1950s, bentonite has been obtained from numerous deposits in the Cabo de Gata volcanic region (Almería, SE Spain) (Fig. 1). The mineral, which is of high quality, with
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(PDF) USE OF ACTIVATED CLAYS IN THE REMOVAL OF DYES AND ...
Natural bentonite from deposits in the area of Cabo de Gata (located in the province of Almería, Spain). Acid-activated bentonite prepared from the above natural bentonite by refluxing for 1 h with 0.5 N sulphuric acid. The resulting activated bentonite was washed until negative sulphate reaction and dried at 110 ºC until constant weight.
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Microbial communities in bentonite formations and their ...
The two clay samples used in this work were recovered from the surface of the bentonite of El Cortijo de Archidona (sample BI) and that of outcrop of El Toril (sample BII) (Cabo de Gata, Almeria, Spain) in April 2009 and stored at −20 °C until use.The El Toril bentonite deposits result from acid alteration of the original deposits caused by physical, chemical and mineralogical changes in ...
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Commercial in Vera | Aero-club And Campsite - ME 2443 | € ...
The aero-club and campsite are located in a beautiful area with many wonderful natural attractions such as the geode in Pulpí, the Cabo de Gata natural park, Tabernas desert with spaghetti Western sets, Mojacar with its pretty village and Sorbas town on the edge of a canyon.
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Minerals | Free Full-Text | Spanish Bentonites: A Review ...
The Los Trancos deposit is located in the north of the Sierra de Gata, and it is the biggest deposit in the Cabo de Gata volcanic region . It developed through two large fractures oriented N10E and N60E that affected rich glass tuffs and agglomerated materials of dacitic [ 98, 99, 102 ] or rhyodacitic composition [ 103 ].
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Fault-Hosted Palygorskite from the Serrata De Níjar ...
Linares, J. (1985) The processes of bentonite formation in Cabo de Gata, Almería, Spain. Mineralogica et Petrographica Acta, 29A, 17–33. Google Scholar López Galindo, A. and Sánchez Navas, A. (1989) Criterios morfológicos, cristalográficos y geoquímicos de diferenciación entre sepiolitas de origen sedimetario e hidrotermal.
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ROCAS HIDROTERMALES - HUAL
ROCAS HIDROTERMALES El principal fenómeno que altera las rocas volcánicas es el hidrotermalismo, que da lugar además a las mineralizaciones. Cuando el cuerpo magmático no llega a la superficie se enfría lentamente a centenares de metros o a pocos kilómetros de profundidad. El cuerpo subvolcánico suministra calor al entorno (temperaturas de hasta 400-500ºC), emitiendo gases …
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Occurrence of Fe–Mg-rich smectites and corrensite in the ...
The Morrón de Mateo deposit is located in the central sector of the Cabo de Gata region (Almería), specifically in the Escullos depression, which is placed between the Frailes volcanic structure, to the south, and the Rodalquilar Caldera Complex, to the north (sheet 1060, Pozo de los Frailes, of the National Topographic Map 1:50.000).
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El yacimiento de zeolitas de Los Murcianos (San José, Almería)
Key words: Zeolite, Mordenite, Bentonite, Cabo de Gata, Hidrotermal alteration. INTRODUCCIÓN En este trabajo se estudia el Yacimiento de Zeolitas de "Los Murcianos", situado en la provincia de Almería, cerca de la localidad de San José (Cabo de Gata). A pesar de que se han citado indicios de zeolitas en
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Thermo-hydro-mechanical characterisation from Cabo de Gata
partir de estudios de idoneidad previos, extraída del yacimiento de Cortijo de Archidona en la re-gión de Cabo de Gata (Almería). Se ha tratado de reproducir el comportamiento de la bentonita en condiciones similares a aquéllas en las que se en-contrará en la barrera del almacenamiento durante el transitorio de saturación. Para ello se ha ...
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Chemical and Mineralogical Features of Smectite from the ...
Made available by U.S. Department of Energy Office of Scientific and Technical Information ...
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