Results 31 to 40 of about 16,469 (254)

NEW BRACHIOPOD FAUNAS FROM THE MIDDLE JURASSIC OF ZANSKAR (LADAKH, INDIA)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
Several detailed stratigraphical sections have been measured in the Middle Jurassic of the Zan­skar region (Western Himalaya, Ladakh, India). Along six sections in the Laptal Beds and in the Ferruginous Oolite Formation, a rich brachiopod fauna ...
YVES ALMÉRAS   +2 more
doaj   +1 more source

The Cretaceous/Paleogene (K/Pg) boundary in the Mezdra and Lyutidol syncline, Vratza District (West-Fore Balkan, Bulgaria) [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2006
This paper discusses the unjustified assignment (based on calcareous nannofossils) of a large portion of the Maastrichtian strata in the Mezdra and Lyutidol synclines (West Fore Balkan, Bulgaria) to the Paleogene.
Jolkičev Nikola A.
doaj   +1 more source

The systematics and paleobiogeographic significance of Sub-Boreal and Boreal ammonites (Aulacostephanidae and Cardioceratidae) from the Upper Jurassic of the Bohemian Massif

open access: yesGeologica Carpathica, 2014
Upper Jurassic marine deposits are either rarely preserved due to erosion or buried under younger sediments in the Bohemian Massif. However, fossil assemblages from a few successions exposed in northern Bohemia and Saxony and preserved in museum ...
Hrbek Jan
doaj   +1 more source

Jamaan at the pass of Bi’rein. An Iron Age IIB-C Ammonite stronghold in central Jordan [PDF]

open access: yes, 2016
In years 2015-2016 the Zarqa Directorate of the Department of Antiquities of the Hashemite Kingdom of Jordan carried out a rescue excavation at the site of Jamaan, an Iron Age IIB-C Ammonite stronghold 16 Km north of ‘Amman.
Gharib, Romeel, Nigro, Lorenzo
core   +1 more source

Depositional Facies, Sequence Stratigraphy, and Diagenesis of Lower Cretaceous Carbonate Reservoir, Southern Iraq: Implications for Petroleum Exploration

open access: yesJournal of Petroleum Geology, EarlyView.
ABSTRACT The Lower Cretaceous Yamama Formation of southern Iraq represents a key carbonate reservoir within Iraq and the Middle East, yet its complex depositional facies architecture and diagenetic alterations present challenges for predicting reservoir quality.
A. K. A. Mohammed   +8 more
wiley   +1 more source

AMMONITI NELLA PIATTAFORMA LIASSICA VENETA

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2020
Three specimens of Ammonites have been newly found in the Calcari Grigi Fm. (Lower and Middle Liassic). At present the total amount of known Ammonite specimens in the western part of the Venetian Liassic Carbonate Platform is at least of six.
PAOLO MIETTO
doaj  

The Albian-Cenomanian boudary in the northern part of the Don-Medveditsa dislocations. Paper 2. Oryctocoenoses analysis. Conclusions [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Науки о Земле
Ammonite finds at the Miroshniki site, within the Albian-Cenomanian boundary interval, make it possible to identify the presence of the analogues of the Upper Albian zones Mortoniceras fallax (autochthonous burial within aleurolites) and Mortoniceras ...
Pervushov, Evgeniy Mikhaylovich   +3 more
doaj   +1 more source

Ammonites and stratigraphy of a Lower Bajocian (Middle Jurassic) section in Sierra Chacaico (Neuquén Basin, Argentina) [PDF]

open access: yes, 2012
A Lower Bajocian section from southern Neuquén Basin (Argentina), with 3 faunal horizons (sphaeroceroides, submicrostoma and giebeli horizons) in the Singularis and Giebeli zones, is described.
Dietze, Volker   +3 more
core   +2 more sources

Interacción entre vulcanismo, tectónica y sedimentación en una plataforma carbonatada somera: Ejemplo en el Tethys occidental (Jurásico Medio, sureste de la Cordillera Ibérica)

open access: yesEstudios Geologicos, 2020
En el sureste de la Cordillera Ibérica (España) existen una serie de afloramientos de rocas volcánicas origi­nadas por erupciones submarinas, principalmente de tipo volcanoclástico, interestratificadas en las sucesiones carbonatadas del Jurásico Inferior
J. E. Cortés
doaj   +1 more source

Integrated stratigraphy of the Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation, Neuquén Basin, Argentina [PDF]

open access: yes, 2011
The Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation (Neuquén Basin, Argentina) was studied applying an integrated stratigraphic approach and facies analysis.
Archuby, Fernando   +2 more
core  

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