Results 81 to 90 of about 6,103 (222)

Late Carboniferous Paleomagnetism From North Qiangtang Block Reveals a Multibranched Paleo‐Tethys Ocean

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The North Qiangtang Block occupies a pivotal position within the eastern Tethyan realm, and its paleogeographic reconstruction is critical for constraining Tethyan geometry and evolution. However, its Late Paleozoic paleogeography and Paleo‐Tethyan Ocean–continent configuration remain controversial due to limited reliable age‐constrained ...
Jiahui Zhang   +12 more
wiley   +1 more source

First Mediterranean Basin conference on analytical chemistry Abstracts book and final program

open access: yes, 1995
Centro de Informacion y Documentacion Cientifica (CINDOC). C/Joaquin Costa, 22. 28002 Madrid.
Real Sociedad EspaNola de Quimica - RSEQ, Madrid (Spain). Grupo Especializado de Espectroquimica
core  

Neoteetonics of the eastern border of the Madrid basin [PDF]

open access: yes, 1994
[Abstract] An analysis ofthe neotectonic activity and the current stress state of the eastern border of Madrid Basin has been carried ont using structural-methods (fault population analysis), as well as seismological methods. Two stress tensors have been
Vicente Muñoz, G. de   +2 more
core  

Exploring the lichenization continuum through the marine tripartite symbiosis of Collemopsidium pelvetiae

open access: yesAmerican Journal of Botany, Volume 113, Issue 6, June 2026.
Abstract Premise Symbioses between lichen‐forming fungi and brown algae (phaeophytes) are extremely rare. We investigated the interactions between the marine fungus Collemopsidium pelvetiae and its two photosynthetic partners, the brown alga Pelvetia canaliculata and a cyanobacterial symbiont to address questions on symbiosis biology, lichenization ...
Sergio Pérez‐Ortega   +5 more
wiley   +1 more source

Alluvial fans in the north basin of Madrid. Mathematical analysis

open access: yes, 1995
Aluvial fan deposits in the Tertiary North Basin of Madrid have been studied by geophysical logging in several hidrogeological boreholes. Thus, spectral and statistical analysis are used as tools to confirm the sedimentological model asumed for basins of
Aracil Ávila, E., García Vivanco, M.
core  

Dental microwear analysis in Gliridae (Rodentia): methodological issues and paleodiet inferences based on Armantomys from the Madrid Basin (Spain)

open access: yes, 2014
[EN] In the present study we analyze the microwear of the species included in the lineage Armantomys aragonensis-A. tricristatus of two samples from two middle Miocene localities from the Madrid Basin (El Cañaveral and Casa Montero).
Oliver Pérez, Adriana   +22 more
core   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1255-1310, June 2026.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Geology of the Saline Unit of the Madrid Basin. Mineral resources, geological hazards and salt mineralogenesis

open access: yesBoletín de la Real Sociedad Española de Historia Natural, 2022
The Saline Unit of the Cenozoic Basin of Madrid recognized since prehistoric times for its saline springs, which were object of exploitation to obtain salts and to use the medicinal properties of brines. At the beginning of the 20th century, the old mine works was continued, aimed at mining developments for the massive extraction of sodium sulphate for
openaire   +1 more source

Population‐Specific Chemotypes in Pseudomisopates rivas‐martinezii (Sanchez Mata) Güemes From La Serrota and Gredos Massifs (Iberian Central Range)

open access: yesChemistry &Biodiversity, Volume 23, Issue 6, June 2026.
Pseudomisopates rivas‐martinezii, a critically endangered Iberian endemic, reveals population‐specific chemotypes when analyzed by elemental analysis, FTIR, and GC–MS. Underground tissues from both populations share a convergent histidine‐derived metabolite profile, whereas aerial parts diverge markedly: La Serrota accumulates phenolic derivatives from
Eva Sánchez‐Hernández   +5 more
wiley   +1 more source

Trace element analyses indicative of paleodiets in Middle Miocene mammals from the Somosaguas site (Madrid, Spain)

open access: yesGeologica Acta, 2012
Trace element analysis of fossil bone and enamel constitutes a useful tool to characterize the paleoecological behavior of mammals. Up to now, most trace element studies have focused on Plio-Pleistocene fossils.
L. DOMINGO   +2 more
doaj  

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