Results 31 to 40 of about 4,266 (154)

La vegetación del Cuaternario tardío en el centro de México: registros palinológicos e implicaciones paleoclimáticas

open access: yesBotan‪ical Sciences, 1996
La formación durante el Plio-Cuaternario de la Faja Volcánica Transmexicana (FVT) dio lugar al desarrollo de varias cuencas endorréicas. Una de estas cuencas cerradas, la más ampliamente estudiada, es la Cuenca de México.
María del Socorro Lozano-García
doaj   +1 more source

When maize is not the first choice: advances in paleodietary studies in the Archaeological Site Río Doncellas (Jujuy, Argentina) [PDF]

open access: yes, 2016
In this work we present new values of stable isotopes of carbon (δ13Cco and δ13Cap) and nitrogen (δ15N) measured in a sample of 13 human individuals found in the Río Doncellas Archaeological Site (Late Period or Regional Developments, ca. 1000 AD-1450 AD)
Killian Galván, Violeta Anahí   +2 more
core   +2 more sources

Reconstituição paleoambiental do Lago Santa Ninha, Várzea do Lago Grande de Curuai, Pará, Brasil Paleoenvironmental reconstruction of an Amazon floodplain lake, Lago Santa Ninha, Varzea do Lago Grande de Curuai, Pará, Brasil

open access: yesActa Amazonica, 2009
Este estudo teve por objetivo reconstituir as mudanças paleoambientais e paleohidrológicas no baixo Amazonas. Um testemunho de sedimento foi coletado no Lago Santa Ninha, na várzea do Lago Grande de Curuai, localizada na margem direita do Rio Amazonas a ...
Luciane Silva Moreira   +3 more
doaj   +1 more source

Palynomorphs from abra límite, zenta range, Eastern Cordillera, Northwestern Argentina [PDF]

open access: yes, 2010
This study presents the first Devonian palynological record in the Zenta Range in Eastern Cordillera, Argentina. Two associations were recognized on the basis of differences in palynomorphs and palynofacies.
Di Pasquo Lartigue, Maria   +1 more
core   +1 more source

Micromamiferos andinos holocenicos del sitio arqueologico Inca Cueva 5, Ju Juy, Argentina: tafonomia, zoogeografia y reconstruccion paleoambiental

open access: yesEstudios Geologicos, 2002
El sitio arqueológico Inca Cueva 5 se encuentra en la provincia de Jujuy, Argentina, en el borde oriental de la región de la Puna (23" 05' S - 65" 27' W; 3700 m s n m) y está fechado entre 2120 f 120 y 780 f 100 años radiocarbónicos AP. El estudio de una
P. Teta, P. E. Ortiz
doaj   +1 more source

Contributions to determine paleoenvironments, coals syncline ChecuaLenguazaque. Colombia

open access: yesIngeniería Investigación y Desarrollo, 2016
This study aims to make new contributions to the knowledge and interpretation of paleoenvironment of Guaduas Formation´s coals, Superior Maestrichtian to Paleocene age.
Juan Sebastián Gómez-Neita   +3 more
doaj   +1 more source

Late Holocene tectonic land-level changes and tsunamis at Mitla lagoon, Guerrero, Mexico

open access: yesGeofísica Internacional, 2009
Información sedimentológica, estratigráficay geoquímica registra cambios abruptos de elevación, subsidencia de la costa y cambios en la salinidad de la laguna Mitla, que pueden estar asociados a un tsunami en 3400–3500 AP aproximadamente.
M. T. Ramírez-Herrera   +3 more
doaj   +1 more source

Cuon Versus Canis: A Comparative Guide to the Morphological Distinction of Postcranial Bones and Its Archaeo‐Paleontological Implications

open access: yesInternational Journal of Osteoarchaeology, Volume 35, Issue 5, Page 263-283, September/October 2025.
ABSTRACT The genera Cuon and Canis are part of the carnivore guild during the late Middle and Late Pleistocene in Europe. However, most identifications in archaeo‐palaeontological contexts are made on cranial and dental elements as these are taxonomically the most diagnostic anatomical regions.
Alfred Sanchis   +9 more
wiley   +1 more source

Palaeomagnetic and palaeoenvironmental studies in the southern basin of Mexico - II Late Pleistocene - Holocene Chalco lacustrine record

open access: yesGeofísica Internacional, 1995
Se presentan los resultados de los estudios de paleomagnetismo (primeros 12 metros) y microfósiles (primeros 8 metros) para la secuencia lacustre del lago de Chalco.
J. Urrutia-Fucugauchi   +2 more
doaj   +1 more source

Mesozoic Coleopteran Faunas fromArgentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records [PDF]

open access: yes, 2012
The order Coleoptera is the most diversified group of the Class Insecta and is the largest group of the Animal Kingdom. This contribution reviews the Mesozoic insects and especially the coleopteran records from Argentina, based on bibliographical and ...
Gallego, Oscar Florencio   +2 more
core   +2 more sources

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