Results 51 to 60 of about 4,266 (154)

Magnetic mineral study of Holocene marine sediments from the Alfonso Basin, Gulf of California - implications for depositional environment and sediment sources

open access: yesGeofísica Internacional, 2009
e presentan los resultados del estudio de propiedades magnéticas en sedimentos marinos colectados en la Cuenca Alfonso en la Bahía de la Paz, los cuales se analizan en términos de las fuentes de aporte y el ambiente de depósito en el sur del Golfo de ...
L. Pérez-Cruz, J. Urrutia-Fucugauchi
doaj   +1 more source

Middle Ordovician conodonts and graptolites at Los Cauquenes range, central Precordillera of San Juan, Argentina [PDF]

open access: yes, 2013
The Ordovician System is superbly represented in the Precordillera of western Argentina, at the Andean foothills. During the Middle Ordovician, an important paleogeographical rearrangement of depocenters and source areas took place associated with the ...
Albanesi, Guillermo Luis   +2 more
core  

Feições arenosas no curso do rio São Francisco: uma revisão sistemática de literatura

open access: yesDiversitas Journal, 2022
A presente pesquisa teve como enfoque os processos originários e as condições atuais das feições arenosas denominadas de paleodunas situadas às margens do rio São Francisco nos Estados da Bahia e de Pernambuco.
Reinaldo Pacheco dos Santos   +2 more
doaj   +1 more source

Stable isotope composition of freshwater mollusk shells from Central-Western Argentina [PDF]

open access: yes, 2013
The variability in δ18O and δ13C composition of modern and fossil mollusk shells in central-western Argentina was assessed in order to contribute to a better understanding of their value as paleoclimatic indicators. Living mollusks were collected from 17
de Francesco, Claudio German   +1 more
core  

Arqueometalurgia: Tecnología, economía, sociedad y paleoambiente

open access: yes, 2021
Trabajo presentado en el Ciclo de conferencias "La arqueología en el CSIC" que se celebra a lo largo de 2021 (15 de abril-16 de diciembre).-- La arqueología en el CSIC se desarrolla actualmente en siete institutos: el IH (Instituto de Historia-Madrid), el ILC (Instituto de Lenguas y Culturas del Mediterráneo y Oriente Próximo - Madrid), el IMF ...
Armada, Xosé-Lois   +4 more
openaire   +1 more source

Reconnaissance study of Colola and Maruata, the nesting beaches of marine turtles along the Michoacan coast in southern Mexico

open access: yesGeofísica Internacional, 2010
Las tortugas marinas de la especie Chelonia agassizi navegan anualmente cientos de kilómetros en mar abierto para llegar a sus áreas de reproducción y anidación.
A. L. Fuentes-Farias   +5 more
doaj   +1 more source

Bordos and Boundaries: Sustainable Agriculture in the High Altitude Deserts of Northwest Argentina, AD 850-1532 [PDF]

open access: yes, 2014
Bordos were essential for the long-term sustainability of agriculture in the high altitude desert of Antofagasta de la Sierra in Northwest Argentina during the Late (AD 850 – 1480) and Inca Period (AD 1480 – 1532).
Lane, Kevin John   +2 more
core   +1 more source

Magnetic features of marine black turtle natal beaches and implications for nest selection

open access: yesGeofísica Internacional, 2008
Las playas de Colola y Maruata en la costa de Michoacán en el sur de México constituyen dos de los sitios principales de anidación de la tortuga marina negra Chelonia agassizi.
A. L. Fuentes-Farias   +4 more
doaj   +1 more source

First palynologic record of the Cretaceous La Yesera Formation (Salta Group), northwestern Argentina [PDF]

open access: yes, 2014
Thirty-four taxa were documented from six palynologically productive samples of the La Yesera Formation (Brealito and Don Bartolo Members) in the Pucará locality (Salta Province, northwestern Argentina).
Narvaez, Paula Liliana   +2 more
core   +1 more source

Río Colorado Subgroup (Neuquén Group): Paleosimicity record in the Andean foreland basin, Neuquén basin, Neuquén y Río Negro provinces [PDF]

open access: yes, 2013
La cuenca Neuquina se localiza en el sector centro-oeste de Argentina, constituyendo el depocentro mesozoico-neogeno más importante y una de las cuencas del hemisferio sur con excelente registro marino y continental.
Armas, María Paula   +2 more
core  

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