Results 91 to 100 of about 19,819 (231)

Tectonic implications of paleontologic dating of Cretaceous-Danian sections of Eastern Cuba

open access: yesGeologica Acta, 2006
The sedimentary rocks intercalated in volcanic and metavolcanic sections of Mayarí-Baracoa and Sierra del Purial Mountains (Eastern Cuba), yielded Cretaceous through Danian microfossils.
M. A. ITURRALDE-VINENT   +3 more
doaj   +1 more source

Plate motions recorded in tectonostratigraphic terranes of the Franciscan Complex and evolution of the Mendocino triple junction, northwestern California [PDF]

open access: yes, 1994
The Mendocino triple junction area of northern California is underlain by the Coastal belt of the Franciscan complex, flanked on the east by the Central and Eastern belts of the Franciscan Complex.
Frederiksen, NO   +4 more
core   +1 more source

Sedimentary processes and architecture of Upper Cretaceous deep-sea channel deposits : a case from the Skole Nappe, Polish Outer Carpathians [PDF]

open access: yes, 2018
Deep-sea channels are one of the architectonic elements, forming the main conduits for sand and gravel material in the turbidite depositional systems.
Łapcik, Piotr
core   +2 more sources

CAMPANIAN CALCAREOUS NANNOFOSSIL BIOSTRATIGRAPHY OF EASTERN KOPPEH-DAGH BASIN (NORTH EAST OF IRAN), TETHYAN REALM

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2016
Tethyan calcareous nannofossil assemblages have been recorded from three sections of the Abtalkh Formation including the type section at Abtalkh village and two others (Padeha and Jalilabad) in the east Koppeh-Dagh Basin, north east of Iran.
FARIBA FOROUGHI   +2 more
doaj   +1 more source

Distribution of discontinuous mudstone beds within wave-dominated shallow-marine deposits : Star Point Sandstone and Blackhawk Formation, Eastern Utah [PDF]

open access: yes, 2014
Acknowledgements Funding for this study was provided from the Research Council of Norway through the Petromaks project 193059 and the FORCE Safari Project. The lidar data was collected by Julien Vallet and Samuel Pitiot of Helimap Systems SA.
Buckley, Simon   +2 more
core   +2 more sources

Mesozoic-Cenozoic stratigraphy of the Fuegian Andes, Argentina

open access: yesGeologica Acta, 2008
The stratigraphy of the Argentinean Fuegian Andes reveals contrasting Mesozoic-Cenozoic tectonic regimes. The Lemaire Formation, submarine complex of bimodal volcanites, breccias, and sedimentary rocks; the Yahgán Formation, volcaniclastic apron of deep ...
E.B. OLIVERO, N. MALUMIÁN
doaj   +1 more source

Lithostratigraphy and biostratigraphy of the upper cretaceous succession of Southeastern Sinai, Egypt

open access: yesEgyptian Journal of Petroleum, 2011
The calcareous nannofossil of the Upper Cretaceous successions exposed at Taba and El sheikh Attia sections at Southeastern Sinai in Egypt have been studied to contribute in the understanding of lithostratigraphy and biostratigraphy.
Medhat M.M. Mandur
doaj   +1 more source

New micropalaeontological studies on the type section of the Campanian-Maastrichtian at Tercis (SW France): new ostracodes obtained using acetolysis

open access: yesCarnets de Géologie, 2008
Through the use of acetolysis new micropalaeontological studies on the type section of the Campanian-Maastrichtian boundary at Tercis (SW France) we obtained additional information on ostracodes.
Odin Gilles Serge, Andreu Bernard
doaj  

El marco tectónico de la región caribeana y el recambio K/T de la fauna de mamíferos continentales de América del Sur [PDF]

open access: yes, 2011
De acuerdo con el registro fósil, durante el Cretácico Tardío-Paleoceno Temprano ocurrió un intercambio de vertebrados continentales(e.g., serpientes bóidas, dinosaurios, mamíferos) entre las Américas.
Ortiz Jaureguizar, Edgardo   +1 more
core  

Lithostratigraphy, geochemistry, and depositional environments of the Upper Cretaceous succession from the Mezino-Lapshinovka section (Eastern Russian Platform)

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2018
The Mezino-Lapshinovka section is constituted by the Upper Cretaceous carbonate clayey siliceous succession. It has been studied by XRD, SEM, microprobe, and geochemical analyses in order to reconstruct the main geologic events that influenced the ...
S.O. Zorina   +7 more
doaj  

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