Results 41 to 50 of about 4,715 (199)
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
Systematic utility of the phytosaur post‐dentary mandibular region
Abstract Phytosaurs, crocodile‐like archosaurs from the Late Triassic, are known for their unique skull shape, whereas their mandibles are poorly studied. Two‐dimensional (2D) geometric morphometric (GM) analysis is commonly used on dinosaurs and mammals.
Víctor López‐Rojas +2 more
wiley +1 more source
Middle Ordovician conodonts and graptolites at Los Cauquenes range, central Precordillera of San Juan, Argentina [PDF]
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
Bordos and Boundaries: Sustainable Agriculture in the High Altitude Deserts of Northwest Argentina, AD 850-1532 [PDF]
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
SOBRE OS PALEOAMBIENTES DEPOSICIONAIS DO GRUPO PASSA DOIS
O presente artigo consiste, maiormente, num ensaio de reVlsao crítica dos paleoambientes deposicionais do Grupo Passa Dois com base em novos achados dos paleontológicos e consideração do espectro de estruturas sedimentares conhecidas e dos dados geoquimicos disponiveis. Embora chamando a atenção para o risco das inferências numa situação de escassez de
openaire +2 more sources
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
Geomorfología y reconstrucción paleoambiental
Uma das questões mais actuais do nosso tempo é, sem dúvida, a da Mudança Climática. Porém geralmente não se leva em linha de conta que o clima é mutável por natureza, independentemente da actividade humana. Os estudos geomorfológicos são de grande ajuda na reconstrução paleoambiental.
openaire +2 more sources
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
Mesozoic Coleopteran Faunas fromArgentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records [PDF]
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
Abstract A nearly complete and relatively well‐preserved skeleton of the giant ground sloth Megatherium sp. in the hyperarid core of the Atacama Desert reveals how climate related taphonomic processes drastically transformed these remains over time.
Luisa Straulino Mainou +14 more
wiley +1 more source

