Buscar
Mostrando ítems 1-10 de 45
Repeated Near-Collapse of the Pliocene Sea Surface Temperature Gradient in the North Atlantic
(American Geophysical Union, 2020)
Sea surface temperature (SST) is used to infer past changes in the state of the climate system. Here we use a combination of newly generated and published organic paleothermometer records, together with novel high-resolution ...
Paleoecological implications of dental mesowear and hypsodonty in fossil ungulates from Kanapoi
(Elsevier, 2020)
The Pliocene site of Kanapoi is key to our understanding of the environmental context of the earliest species of Australopithecus. Various approaches have been used to reconstruct the environments of this site, and here ...
Ruminants (giraffidae and bovidae) from Kanapoi
(Elsevier, 2020)
We update here our recent revision of the Kanapoi ruminants and describe recently collected material. We now regard the occurrence of reduncins as doubtful, we revise the identification of a large raphicerin as being more ...
Suidae from Kanapoi
(Elsevier, 2020)
The whole collection of Suidae from Kanapoi is revised in the context of the systematics and evolution of Nyanzachoerus in the Pliocene of Eastern Africa. It contains only two species, Nyanzachoerus kanamensis and Notochoerus ...
A Pliocene mega-tsunami deposit and associated features in the Ranquil Formation, southern Chile
(ELSEVIER, 2008-01-10)
An exceptionally large tsunami affected the coastline of southern Chile during the Pliocene. Its backflow eroded coarse beach and coastal dune sediments and redistributed them over the continental shelf and slope. Sandstone ...
Did North Atlantic cooling and freshening from 3.65–3.5 Ma precondition Northern Hemisphere ice sheet growth?
(Elsevier, 2020)
The North Atlantic Current (NAC) as part of the Atlantic Meridional Overturning Circulation (AMOC) is the major supplier of heat into the northern North Atlantic. Pliocene changes of AMOC strength were speculated to either ...
Gravitational deformation and inherited structural control on slope morphology in the subduction zone of north-central Chile (ca. 29-33 degrees S)
(Wiley, 2017)
Subduction zones provide direct insight into plate boundary deformation and by studying these areas we better understand tectonic processes and variability over time. We studied the structure of the offshore subduction ...
Geologic-climatic history and zoogeographic significance of the urabá region in northwestern colombia
(Caldasia, 1970)
The existence of a continuous landbridge connecting Central and South America during the uppermost Cretaceous and/or the lowermost Tertiary cannot be proven on the basis of presently available field evidence. Scattered ...
Bay sedimentation as controlled by regional crustal behaviour, local tectonics and eustatic sea-level changes: Coquimbo Formation (Miocene-Pliocene), Bay of Tongoy, central Chile
(ELSEVIER, 2006-02-01)
The north-facing Bay of Tongoy in central Chile is flanked by topographic highs in the west and east. During the Miocene and Pliocene, the bay extended inland at least 30 kin farther south than a present. It was filled ...
Bimodal back-arc alkaline magmatism after ridge subduction: Pliocene felsic rocks from Central Patagonia (47 degrees S)
(ELSEVIER, 2008-03)
Volumetrically minor microsyenites, alkali microgranite and related trachytic dykes intrude early Pliocene OIB-like alkali basaltic and basanitic flows of the Meseta del Lago Buenos Aires in Central Patagonia (47 degrees ...