Results 21 to 30 of about 3,337 (175)
Известия высших учебных заведений: Геология и разведка, 2023 Background. Along with ammonites and septaries, concretions with fossils are increasingly being used as jewelry and ornamental materials in Russia. Such concretions are characterized by a wide range of sizes, as well as high decorative and technological ...
D. A. Petrochenkov, E. Yu. Baraboshkin
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Geologica 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
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The Albian-Cenomanian boudary in the northern part of the Don-Medveditsa dislocations. Paper 2. Oryctocoenoses analysis. Conclusions [PDF]
Известия Саратовского университета. Новая серия: Серия Науки о ЗемлеAmmonite 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
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The Cretaceous/Paleogene (K/Pg) boundary in the Mezdra and Lyutidol syncline, Vratza District (West-Fore Balkan, Bulgaria) [PDF]
Geološki 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.
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Geological Magazine, 1919 The variability and occasional instability of the Ammonoid suture-line, to which attention has been drawn, the recurrence of similar types, and the frequent asymmetry of the opposing halves of a given suture-line, which is apparent not only in the Dactylioceras commune, figured by Swinnerton & Trueman (fig. 9 on p.
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Les ammonites de l'Aptien inférieur du bassin aptien de Les Ferres (Crétacé inférieur, SE de la France). Ière partie : Introduction et biostratigraphie [PDF]
, 2019 On the southern margin of the Vocontian Basin (SE France), for taphonomic reasons (fragmentation, reworking, pyritization), lower Aptian (Lower Cretaceous) deposits of the interval between the Deshayesites deshayesi and Dufrenoyia furcata zones are ...
Bersac, Stéphane, Bert, Didier
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NOTES ON THE SPEETON AMMONITES [PDF]
Proceedings of the Yorkshire Geological Society, 1906 Anyone who knows a little about the Speeton sections can soon pick up a fairly representative series of their Belemnites, but not of their Ammonites; that demands much time and luck. Such at least has been my experience, for notwithstanding the exceptional opportunities for constant search afforded by several years’ residence almost on the spot, I have
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Cretaceous Research, 1981 Abstract Ammonite faunas consisting of Neolobites vibrayeanus (d'Orbigny), Calycoceras (Calycoceras) naviculare (Mantell), C. (Lotzeites(?)) sp., Pseudocalycoceras lattense Thomel, Metoicoceras geslinianum (d'Orbigny) and Euomphaloceras septemseriatum (Cragin) from Saumur, within the type area of the Turonian stage, are described from the collections
Kennedy, W, Juignet, P
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Taphonomy of ammonites from the Santonian-lower Campanian Santa Marta Formation, Antarctica: sedimentological controls on vertically embedded ammonites [PDF]
, 2007 Different morphotypes of vertically embedded ammonoid shells are abundant in the 1-km-thick deposits of the Santa Marta Formation, Antarctica, that record the evolution of a deep-water delta system.
Olivero, Eduardo Bernardo
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The Turonian-Coniacian deposits of the south-west of the Ulyanovsk-Saratov trough
Известия высших учебных заведений: Геология и разведка, 2019 Integrated study of a series of the Turonian and Coniacian complete geological records has revealed the stratigraphic completeness and specified the faunal contents of the deposits.
E. M. Pervushov +4 more
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