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In the northwest Iberian Range the Aalenian to Bajocian interval is represented by condensed, as well as more expanded marine carbonate strata deposited in a shallow epicontinental-sea setting. Precise biochronological data (successive ammonites[...]texto impreso
Cózar Maldonado, Pedro ; Rodríguez, Sergio ; Mas Mayoral, José Ramón | Universidad Complutense de Madrid, Servicio de Publicaciones | 2004Se han estudiado tres secciones con potentes registros de sucesiones estratigráficas y dos afloramientos de reducidas dimensiones en los materiales mississippienses al NO de Adamuz. Los materiales han sido interpretados como facies de talud cons[...]texto impreso
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Alonso Azcárate, Jacinto ; Rodas, Magdalena ; Fernández-Díaz, Lourdes ; Bottrell, S.H. ; Mas Mayoral, José Ramón ; López Andrés, Sol | John Wiley & Sons, Ltd | 2001The low-grade metasediments of lthe Cameros Basin, northem Spain, host a number of deposits of spectacular quality pyrite mineralization. These formed during regional metamorphism and the pyrite crystals exhibit a wide range of morphologies. On[...]texto impreso
Fernández Barrenechea, José María ; Rodas, Magdalena ; Frey, Martín ; Alonso Azcárate, Jacinto ; Mas Mayoral, José Ramón | Blackwell Scientific publications | 2011The clay mineral assemblages of the Tithonian and Berriasian sediments (Tera and Oncala Groups) in the eastern part of the Cameros basin are investigated at seven localities. The lowest-grade assemblage, located on the southern border of the bas[...]texto impreso
Alonso Azcárate, Jacinto ; Rodas, Magdalena ; Fernández Barrenechea, José María ; Mas Mayoral, José Ramón | Blackwell Scientific publications | 2005Variations in clay mineral assemblages, changes in KuÈbler index (KI), and the chemical composition of chlorites are used to identify source areas in the lacustrine materials in the Lower Cretaceous Leza Limestone Formation of the Cameros Basin,[...]texto impreso
Artigas, Rosana ; Rodas, Magdalena ; Sánchez Jiménez, Carlos J. ; Mas Mayoral, José Ramón ; Dondi, Michele ; Arribas Mocoroa, José | Blackwell Scientific publications | 2005This work describes the possible use of thick Early Cretaceous clay deposits, which occur in the southern sector of the Sierra de la Demanda range, as raw materials in the manufacture of ceramic articles. The global mineralogical composition is [...]texto impreso
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Mas Mayoral, José Ramón ; Arribas Mocoroa, María Eugenia ; González Acebrón, Laura ; Quijada, Isabel Emma ; Campos-Soto, S. ; Suárez González, Pablo ; Sacristán Horcajada, Sara ; Arribas Mocoroa, José ; Benito Moreno, María Isabel ; Pérez Garrido, Carlos ; Alonso Millán, Ángela | Springer | 2019-03The early stages of intraplate extensional systems commonly are recorded by deposition of continental sediments. In this context, given appropriate tectonics and eustasy, transgressions can be well recorded in the areas of the basins located clo[...]texto impreso
Mantilla Figueroa, Luis Carlos ; Casquet, César ; Mas Mayoral, José Ramón | Sociedad Geológica de España | 1999The Witwatersrand Coldfield (WCF) and the Cameros Basin (CB) were subjected to widespread fluid flow during metamorphism. Physical conditions reached at the thermal peaks have been estimated at 1 kb and 340°C in the case of the CB and 1-2kb and [...]texto impreso
Arribas Mocoroa, José ; Mas Mayoral, José Ramón ; Ochoa, M. ; Alonso Millán, Ángela | Instituto de Estudios Riojanos (Logroño) | 2002Mediante el estudio petrográfico de los depósitos arenosos pertenecientes a las secuencias deposicionales del relleno de la Cuenca de Cameros, en su margen suroccidental, se han podido definir cuatro petrofacies, que coinciden con las siete secu[...]texto impreso
La sedimentación durante el Jurásico terminal y el Cretácico inferior en la Cuenca de Los Cameros se desarrolla en cuatro Secuencias deposicionales de forma tal que todas comienzan con facies siliciclásticas fluviales y terminan (excepto la IV) [...]texto impreso
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González Acebrón, Laura ; Goldstein, Robert H. ; Mas Mayoral, José Ramón ; Arribas Mocoroa, José | Springer Science Business Media | 2011Stratigraphic relations, detailed petrography, microthermometry of fluid inclusions, and fine-scale isotopic analysis of diagenetic phases indicate a complex thermal history in Tithonian fluvial sandstones and lacustrine limestones of the Tera G[...]
