Results 51 to 60 of about 281 (131)

Is it all Phacelia pinnatifida? Molecular delimitations and taxonomic revision of Phacelia sect. Glandulosae in South America based on ddRADseq

open access: yesTAXON, Volume 73, Issue 6, Page 1437-1459, December 2024.
Abstract Phacelia sect. Glandulosae, with ca. 62 taxa, is the most diverse of the 11 sections of the genus Phacelia (Hydrophyllaceae). The family is largely restricted to North and Central America, but the genus Phacelia has an amphitropical distribution with nine species reported from western South America, five of which have been assigned to P. sect.
Maria‐Anna Vasile   +3 more
wiley   +1 more source

The Jurassic–Cretaceous Transition in the Slovenian Basin (Alpine Atlantic): Further Evidence for Palaeoenvironmental Record in Pelagic Sediments

open access: yesGeochemistry, Geophysics, Geosystems, Volume 25, Issue 12, December 2024.
Abstract Over the vast area of present‐day Europe, the Tithonian–Berriasian transition was a time of climate aridization, which was supposedly related to the more general trend of the latest Jurassic–earliest Cretaceous cooling and restrictions in atmospheric circulation.
D. G. Lodowski   +8 more
wiley   +1 more source

SAUROPOD DIVERSITY (DINOSAURIA: SAUROPODA) OF CERRO OVERO – LA INVERNADA (BAJO DE LA CARPA FORMATION, SANTONIAN), NORTHEASTERN NEUQUÉN BASIN, AND PALEOECOLOGICAL IMPLICATIONS FOR UPPER CRETACEOUS SAUROPOD FAUNAS

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina
The Upper Cretaceous fossil vertebrate fauna of the Bajo de la Carpa Formation (Santonian), derived from several different locations in the Neuquén Basin, is relatively abundant and diverse, comprising mainly small to medium-sized reptiles, birds and ...
Leonardo Sebastián Filippi   +4 more
doaj   +1 more source

Deltas: New paradigms

open access: yesThe Depositional Record, Volume 10, Issue 5, Page 600-636, November 2024.
This paper discusses some new paradigms concerning the origin and significance of deltas and their deposits. It proposes a broader definition of deltas that takes into account the importance of sediment‐laden fluvial discharges in controlling deltaic sedimentation.
Carlos Zavala   +5 more
wiley   +1 more source

Biofacies analysis of Hettangian-Sinemurian bivalve/brachiopod associations from the Neuquén Basin (Argentina)

open access: yesGeologica Acta, 2005
Based upon extensive sampling with strict stratigraphical control on Hettangian and Sinemurian deposits cropping out at the river Atuel region (southwest Mendoza Province), the presence of all bivalve and brachiopod genera was recorded.
Miguel Óscar Manceñido, S.E. Damborene
doaj   +1 more source

New age constraints on the Lower Jurassic Pliensbachian-Toarcian Boundary at Chacay Melehue (Neuquén Basin, Argentina). [PDF]

open access: yesSci Rep, 2022
Al-Suwaidi AH   +10 more
europepmc   +1 more source

Provenance and depositional processes of extrabasinal (siliciclastic) and intrabasinal (carbonate) particles of the Tithonian–Berriasian Vaca Muerta–Quintuco System (Neuquén Basin, Argentina)

open access: yesLatin American Journal of Sedimentology and Basin Analysis
During the Early Jurassic–Early Cretaceous, between 32° and 40° S latitude, a steeply dipping active subduction zone along the western margin of Gondwana led to the development of a magmatic arc and a large back-arc depression known as the Neuquén Basin.
Luis Spalletti   +2 more
doaj  

Dolomitized tidal cycles in the Agua de la Mula Member of the Agrio Formation (Lower Cretaceous), Neuquén Basin, Argentina

open access: yesLatin American Journal of Sedimentology and Basin Analysis, 2021
The Agrio Formation (Valanginian to early Barremian) is a siliciclastic and carbonate unit of the Neuquén Basin in west central Argentina. A conspicuous 20 m thick dolomitized section near the top of the upper Agua de la Mula Member of the Agrio ...
Maisa A. Tunik   +4 more
doaj   +2 more sources

EARLY CRETACEOUS DINOFLAGELLATE CYSTS FROM THE NEUQUÉN AND AUSTRAL BASINS: A REVIEW

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2016
. The present work documents and gathers the most relevant records of the organic-walled dinoflagellate cysts from different sites of the Neuquén and Austral Basins.
Maria V. Guler   +2 more
doaj  

Assessment of ground deformation and seismicity in two areas of intense hydrocarbon production in the Argentinian Patagonia. [PDF]

open access: yesSci Rep, 2022
Tamburini-Beliveau G   +6 more
europepmc   +1 more source

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