Results 81 to 90 of about 12,814 (219)

Dinosaur footprints in the Upper Turonian-Coniacian limestone in the Krnica Bay (NE Istria, Croatia)

open access: yesGeologija, 2003
Three isolated footprints and one trackway that can be attributed to bipedal dinosaur, from a limestone bed in vicinity of Požara promontory, Krnica Bay, are described. According to the stratigraphic position the footprints are late Turonian to Coniacian
Alenka Mauko, Borut Florjančič
doaj  

The Saoura foggaras : degradation of hydraulic system millennium Case of Beni Abbes, Oukda, Beni Ounif and Lahmar (Algeria) [PDF]

open access: yes, 2017
In this article, we studied, for the first time, the foggaras of Saoura. Five missions were carried out in the oases of Kerzaz, Lahmar, Boukais, Beni Ounif, Ouakda, and Beni Abbes during the years 2009, 2010, 2011, 2012 and 2013. The first results showed
Hamoudi, Saaed   +2 more
core  

Cenomanian–Turonian organic sedimentation in North-West Africa: A comparison between the Tarfaya (Morocco) and Senegal Basins. [PDF]

open access: yes, 2005
The Cenomanian–Turonian Oceanic Anoxic Event was recognised in North Western Africa in various depositional settings from abyssal areas to continental shelves.
Boussafir, Mohammed   +4 more
core   +3 more sources

Turonian ammonites from Breznik area (Southwestern Bulgaria)

open access: yesGeologica Balcanica, 1994
Six Turonian ammonite species from the region between the towns of Breznik and Trăn are determinated: Lewesiceras peramplum (Mantell), Collignoniceras woollgari (Mantell), C. carolinum (d’Orbigny), C. bravaisianum (d’Orbigny), Subprionocyclus neptuni (Geinitz) and Scaphites genitzii (d’Orbigny).
openaire   +1 more source

Cenomanian – Coniacian zonation (foraminifers and calcareous algae) in the Guerrero – Morelos basin, southern Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
A biostratigraphic zonation of the Cenomanian–Coniacian rocks of the Guerrero–Morelos basin (southern Mexico) is proposed. The stratigraphic distribution of 70 species of calcareous algae and benthic and planktonic foraminifers is used to characterize ...
Noemí Aguilera-Franco
doaj   +1 more source

A revision of the Lower Cretaceous foraminiferal genus Falsogaudryinella from northwest Europe and Romania, and its relationship to Uvigerinammina [PDF]

open access: yes, 1995
We emend the definition of the foraminiferal genus Falsogaudryinella Bartenstein, 1977 based on observations of the type species, F. tealbyensis from the Barremian Lower Tealby Clay of Lincolnshire, U.K.
Kaminski, M.A., Neagu, T., Platon, E.
core  

Imbalanced nutrients as triggers for black shale formation in a shallow shelf setting during the OAE 2 (Wunstorf, Germany) [PDF]

open access: yes, 2012
During the oceanic anoxic event 2 (OAE 2) in the Mid-Cretaceous Period, widespread black shale (BS) formation occurred, reflecting perturbations in major biogeochemical cycles.
F. Wiese, M. Blumenberg
core   +1 more source

THE HETERODONT BIVALVE APHRODINA DUTRUGEI (COCQUAND, 1862) FROM THE CENOMANIAN OF JORDAN

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2005
The almost equivalved, strongly inequilateral Aphrodina dutrugei (Coquand, 1862) from the Shuayb Formation of the Zarqa area, Jordan, is described.
FAYEZ AHMAD
doaj   +1 more source

New data on the molecular-structural composition of bitumoids from well 5 of the Ziaetdin field (Republic of Uzbekistan)] [PDF]

open access: yesНефтегазовая геология: Теория и практика
Using IR Fourier spectroscopy, the features of the structural-group composition of bitumens isolated from Turonian and Cenomanian rocks of well 5 of the Ziaetdin field (New Uzbekistan) were studied.
Khalismatov I.Kh.   +3 more
doaj  

Upper Cretaceous Peritidal Deposits of Olib and Ist Islands (Adriatic Sea, Croatia)

open access: yesGeologia Croatica, 2010
Upper Cretaceous carbonate deposits of Olib and Ist islands are characteristic of peritidal sediments. They consist of shallow subtidal deposits alternating with intertidal laminites (shallowing-upward cycles).
Alan Moro, Vladimir Jelaska
doaj   +1 more source

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