BackExaminar Artículos por departamento (eus.) "Mineralogia eta petrologia"
Now showing items 1-20 of 23
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A Middle Palaeolithic wooden digging stick from Aranbaltza III, Spain
; ; ; ; ; ; Iriarte Chiapusso, María José
; ; ; ; (Public Library of Science, 2018-03-28)
Aranbaltza is an archaeological complex formed by at least three open-air sites. Between 2014 and 2015 a test excavation carried out in Aranbaltza I I I revealed the presence of a sand and clay sedimentary sequence formed ... -
Biosulfidogenesis Mediates Natural Attenuation in Acidic Mine Pit Lakes
(MDPI, 2020-08-21)Acidic pit lakes are abandoned open pit mines filled with acid mine drainage (AMD)—highly acidic, metalliferous waters that pose a severe threat to the environment and are rarely properly remediated. Here, we investigated ... -
Chemostratigraphic and lithostratigraphic signatures of the Anthropocene in estuarine areas from the eastern Cantabrian coast (N. Spain)
Irabien Gulias, María Jesús; García Artola, Ane ; ; (Elsevier, 2015-04)
A range of chemostratigraphic and lithostratigraphic markers of human impacts can be recorded in four estuaries located in the eastern Cantabrian coast (northern Spain). Metal-enriched levels and stable Pb isotopic ratios ... -
Combining Small-Vertebrate, Marine and Stable-Isotope Data to Reconstruct Past Environments
; ; ; ; ; Zuluaga Ibargallartu, María Cruz; ; ; ; (Nature, 2015)
Three very different records are combined here to reconstruct the evolution of environments in the Cantabrian Region during the Upper Pleistocene, covering ~35.000 years. Two of these records come from Antoliñako Koba ... -
Compositional Characterization and Chronology of Roman Mortars from the Archaeological Site of Arroyo De La Dehesa De Velasco (Burgo De Osma- Ciudad De Osma, Soria, Spain)
; ; Zuluaga Ibargallartu, María Cruz; Ponce Antón, Graciela ; ; (MDPI, 2020-04-28)
This study characterises the mortar materials used in the construction of walls and floors at the Arroyo de la Dehesa de Velasco site, located near the Roman city of Uxama Argaela (the modern Burgo de Osma—Ciudad de Osma, ... -
Detecting Lithium (Li) Mineralizations from Space: Current Research and Future Perspectives
; ; ; ; Roda Robles, María Encarnación (MDPI, 2020-04-05)
Optical and thermal remote sensing data have been an important tool in geological exploration for certain deposit types. However, the present economic and technological advances demand the adaptation of the remote sensing ... -
Enhanced mass sensitivity in novel magnetoelastic resonators geometries for advanced detection systems
González Saiz, Paula; Gandia Aguado, David; Lasheras Aransay, Andoni; Sagasti Sedano, Ariane; ; ; ; Arriortua Marcaida, María Isabel ; Lopes, Ana Catarina (Elsevier, 2019-10-01)
Acoustic wave based sensors have a major impact in the detection of low concentration of biological and chemical agents. Magnetoelastic resonator platforms are particularly interesting due to their low cost and wireless ... -
Geoarchaeological Core Prospection as a Tool to Validate Archaeological Interpretation Based on Geophysical Data at the Roman Settlement of Auritz/Burguete and Aurizberri/Espinal (Navarre)
(MDPI, 2017-10-13)Geophysical survey methods are broadly used to delimit and characterize archaeological sites, but the archaeological interpretation of geophysical data remains one of the challenges. Indeed, many scenarios can generate a ... -
Geochemical characterization of the fire-fountain fed deposits of Las Herrerias volcano (Campo de Calatrava Volcanic Field, Ciudad Real)
; Carracedo Sánchez, Manuel; Eguíluz Alarcón, Luis; Gil Ibarguchi, José Ignacio (Consejo Superior de Investigaciones Científicas, Museo Nacional de Ciencias Naturales, 2014)
The Las Herrerias volcano (Bolanos de Calatrava, Campo de Calatrava Volcanic Field) is characterized by the great amount and variety of fire-fountain fed deposits. All these deposits are compositionally similar, being ... -
Hydrotalcite and Hydrocalumite in Mortar Binders from the Medieval Castle of Portilla (Álava, North Spain): Accurate Mineralogical Control to Achieve More Reliable Chronological Ages
Ponce Antón, Graciela; ; Zuluaga Ibargallartu, María Cruz ; ; Solaun Bustinza, José Luis (MDPI, 2018-08)
Mortars from different stratigraphic units at Portilla Castle (Alava, North Spain) have been analyzed for mineralogical characterization before radiocarbon dating. The mortar binder at Portilla Castle is composed not only ... -
Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization
; ; Bazán Blau, Begoña del Pilar; Barandika Argoitia, Miren Gotzone ; Urtiaga Greaves, Miren Karmele ; Arriortua Marcaida, María Isabel (MDPI, 2019-11-09)
Ionothermal synthesis is a little used method for the preparation of coordination polymers. By this method, two cadmium compounds were synthesized, 1, with formula Cd-3(ox)F-2(Ina)(2) (Ina = isonicotinate) and 2, Cd(NO3)(2)(4,4 ... -
Isotope analyses to explore diet and mobility in a medieval Muslim population at Tauste (NE Spain)
Guede Sagastizabal, Iranzu Laura; ; Zuluaga Ibargallartu, María Cruz; ; Murelaga Bereicua, Javier; Pina, Miriam; Gutierrez, Francisco Javier; Iacumin, Paola (Public Library Science, 2017-05-04)
The Islamic necropolis discovered in Tauste (Zaragoza, Spain) is the only evidence that a large Muslim community lived in the area between the 8th and 10th centuries. A multi-isotope approach has been used to investigate ... -
Mineralogical Characterization of Slags from the Oiola Site (Biscay, Spain) to Assess the Development in Bloomery Iron Smelting Technology from the Roman Period to the Middle Ages
Portillo Blanco, Haizea; Zuluaga Ibargallartu, María Cruz; ; ; Cepeda Ocampo, Juan José; Martínez Salcedo, Ana (MDPI, 2020-04-03)
The Oiola archeological site, located in the mining complex of La Arboleda (Biscay, North Spain) was an important iron smelting center from the Roman Period to the Middle Ages and even in more current times (19th–20th ... -
Mineralogical, Textural and Physical Characterisation to Determine Deterioration Susceptibility of Irulegi Castle Lime Mortars (Navarre, Spain)
Ponce Antón, Graciela; Arizzi, Anna; Zuluaga Ibargallartu, María Cruz ; Cultrone, Giuseppe; (MDPI, 2019-02-02)
Archaeological lime mortars from the Tower Keep and West perimeter wall of Irulegi Castle (Navarre, Spain) were analysed to determine susceptibility to deterioration. Chemical, mineralogical, textural and physical ... -
Natural Pyrrhotite as a Catalyst in Prebiotic Chemical Evolution
; Velasco Roldán, Francisco; (MDPI, 2013-08-28)
The idea of an autotrophic organism as the first living being on Earth leads to the hypothesis of a protometabolic, complex chemical system. In one of the main hypotheses, the first metabolic systems emerged from the ... -
Osteometric analysis of the scapula and humerus of Rangifer tarandus and Cervus elaphus : A contribution to the discrimination of Late Pleistocene cervids
; ; Murelaga Bereicua, Javier; ; ; Zuluaga Ibargallartu, María Cruz (Inst Paleobiologii Pan, 2014-12)
Fossil remains of reindeer (Rangifer tarandus) occurring outside their present range are an important indicator of formerly cold climatic conditions, but are easily confused with those of the red deer (Cervus elaphus). The ... -
Petrographic and Chemical–Mineralogical Characterization of Mortars from the Cistern at Amaiur Castle (Navarre, Spain)
Ponce Antón, Graciela; Zuluaga Ibargallartu, María Cruz ; ; Agirre Mauleón, Juantxo (MDPI, 2020-03-31)
Mortars from the cistern in Amaiur Castle (Navarre, Spain) were analysed to assess the mortar manufacturing process and application techniques. To this end, optical microscopy, scanning electron microscopy (SEM), ... -
Quartzite procurement in conglomerates and deposits:Geoarchaeological characterization of potential catchmentareas in the central part of the Cantabrian Region, Spain
; ; García Rojas, Maite; Arrizabalaga Valbuena, Alvaro ; Baena Preysler, Javier (Wiley, 2021-05)
Raw material characterization in Paleolithic archaeology has widened our knowledge of Middle Paleolithic societies. Procurement of raw material, specifically flint, has allowed the tracing of the mobility of both stones ... -
Semi-Automatization of Support Vector Machines to Map Lithium (Li) Bearing Pegmatites
; ; ; Roda Robles, María Encarnación (MDPI, 2020-07-19)
Machine learning (ML) algorithms have shown great performance in geological remote sensing applications. The study area of this work was the Fregeneda–Almendra region (Spain–Portugal) where the support vector machine (SVM) ... -
The metasomatic enrichment of Li in psammopelitic units at San José-Valdeflórez, Central Iberian Zone, Spain: a new type of lithium deposit
Pesquera Pérez, Alfonso; Roda Robles, María Encarnación ; Gil Crespo, Pedro Pablo ; Valls, David; Torres Ruiz, José (Nature, 2020-07-02)
A new type of Li mineralisation in hard rock has been found to occur in the Valdeflorez area (Caceres, Spain), where there is 111.3 Mt of resources and a mean value of 0.61 wt% of Li2O. Lithium is mainly held by very ...