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Rodríguez Aranda, Juan Pablo ; Sanz Montero, M. Esther ; Cabestrero, Óscar | Sociedad Geológica de España. | 2016La comprensión del método científico por los estudiantes y la población en general es más fácil si se ilustran sus diferentes fases con ejemplos concretos. El presente trabajo muestra la metodología que se ha seguido para explicar un proceso geo[...]texto impreso
Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo ; García del Cura, M. Ángeles | Elsevier | 2009This paper provides an ancient analogue for biologically mediated celestite and barite formation in dolomite precipitating microbial mats developed in lacustrine environments during the Miocene. Barite and celestite occurrences were studied in t[...]texto impreso
Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo ; García del Cura, M. Ángeles ; Calvo Sorando, José Pedro | Sociedad Geológica de España. | 2012La presencia de seres vivos en los ambientes lacustres salinos se puede deducir por las estructuras de bioturbación que realizan en el sedimento. En las lagunas salinas manchegas de Lillo (Toledo) se ha distinguido un cortejo variado de dichas e[...]texto impreso
Rodríguez Aranda, Juan Pablo ; Sanz Montero, M. Esther ; Calvo Sorando, José Pedro | Sociedad Geológica de España. | 2004Microbial endoevaporite comunities thrivied in a Miocene saline lake where gypsum crystals were precipitate. As a result of both the survival strategies and the metabolic activities carried out by those communities, the gypsum crystals embedding[...]texto impreso
Pozo, M. ; Sanz Rubio, E. ; Rodríguez Aranda, Juan Pablo ; Casas Sainz de Aja, J. ; Calvo Sorando, José Pedro ; Cañaveras, Juan Carlos | Sociedad Geológica de España. | 2000Sedimentary magnesite is largely present in the Miocene evaporite formations (Lower and Intermediate units) of the Calatayud Basin (NE Spain). Magnesite deposits are forming part of sedimentary sequences corresponding to hypersaline and moderate[...]texto impreso
Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo ; Calvo Sorando, José Pedro | Sociedad Geológica de España. | 2003The study focuses on dolomite carbonates that occur in a Miocene evaporitic succession, the Christmas tree gypsum unit. This unit outcrops in the eastern part of the Madrid Basin and it was deposited in a mudflatsaline lake complex during the Lo[...]texto impreso
This work provides evidence of arbuscular mycorrhizae (or endomycorrizhae) and their role in mineral weathering and soil carbonate production from Miocene paleosols. Formation of the paleosols-bearing mycorrhizae took place in marginal lacustrin[...]texto impreso
Sanz Montero, M. Esther ; García del Cura, M. Ángeles ; Rodríguez Aranda, Juan Pablo | Sociedad Geológica de España. | 2006This work is centred on the dolomite facies from lower and middle Miocene sedimentary successions of the Madrid and Duero basins, Central Spain. The general sedimentary context for dolomitebearing formations is well established in mudflat-(salin[...]texto impreso
Ayllón Quevedo, F. ; Souza Egipsy, V. ; Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo | Elsevier | 2007This research work is centred on continental lacustrine gypsum deposits of Miocene age cropping out in the easternmost part of the Madrid Basin. These gypsum deposits, accumulated in a continental saline lake, are characterized by a spectacular,[...]texto impreso
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Rodríguez Aranda, Juan Pablo ; Calvo Sorando, José Pedro ; Sanz Montero, M. Esther | Blackwell Publishing Ltd | 2002The Miocene sedimentary record of the Madrid Basin displays several examples of palaeokarstic surfaces sculpted within evaporite formations. One of these palaeokarstic surfaces represents the boundary between two main lithostratigraphic units, t[...]texto impreso
This paper provides an ancient analogue for biologically mediated magnesite in lacustrine hypersaline environments. Thin beds of massive to crudely laminated magnesitic marls occur interbedded with mudstone and evaporite facies deposited in a sa[...]texto impreso
Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo ; Calvo Sorando, José Pedro | SEPM (Society for Sedimentary Geology) | 2006Based on petrographic, mineralogical, isotope, and facies assemblage analysis, a microbial origin is established for the formation of dolomite associated with gypsum in Miocene evaporite lake deposits of the Madrid Basin, central Spain. In these[...]texto impreso
Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo ; Pérez-Soba Aguilar, Cecilia | E. Schweizerbart'sche Verlagsbuchhandlung | 2008Sedimentary sequences composed of selenite gypsum, mudstone, and dolomite microbialites cropping out in the eastern part of the Madrid Basin were deposited in a mudflat – saline-lake system during the Miocene. In some dolomite beds enriched in d[...]texto impreso
This work focuses on the Christmas tree gypsum formation, a Lower Miocene unit cropping out in the eastern part of the Madrid basin. This formation is typically composed by large primary twinned gypsum crystals showing habits which differ from t[...]
