Results 61 to 70 of about 16,387 (257)
Carnets de Géologie, 2008 Depuis la fin du 19ème siècle, l'intervalle comprenant l'Albien supérieur élevé, le Cénomanien, le Turonien et le Coniacien basal a été subdivisé d'abord en zones d'ammonites puis, à partir du milieu du 20ème siècle, en zones de foraminifères ...
Amédro Francis, Robaszynski Francis
doaj
MIDDLE JURASSIC BELEMNITES AND AMMONITES (CEPHALOPODA) FROM TELMA-DAREH, NORTHERN IRAN
Rivista Italiana di Paleontologia e Stratigrafia, 2013 Ammonites and belemnites from a Middle Jurassic section at Telma-Dareh (Alborz Mountains, northern Iran) are described. The lithology of the studied section consists of an alternation of marls and limestones attributed to the Dalichai Fm., overlying the ...
HORACIO PARENT +5 more
doaj +1 more source
The Triassic-Jurassic boundary in the Andes of Argentina [PDF]
, 2004 The Arroyo Malo Formation at Alumbre Creek, on the northern bank of the Atuel River, west central Argentina, comprises a c. 300 m thick continuous marine succession across the Triassic-Jurassic System boundary, consisting of massive and laminated pelites
Damborenea, Susana Ester +3 more
core +4 more sources
Jurassic tracks and HS2: a twenty‐first century journey
Geology Today, Volume 41, Issue 6, Page 234-243, November/December 2025.The biggest UK railway construction site since the nineteenth century has exposed a near‐complete time slice through the entire Jurassic succession of central England. This is yielding a wealth of stratigraphical, palaeobiological and palaeoenvironmental data that is otherwise generally poorly exposed at the present day.
Jonathan D. Radley +5 more
wiley +1 more source
European Journal of Geography, 2017 In this study we introduce teaching proposals to “inject” ammonite fossils, in the Geography syllabus, as evidence of Greek paleoenvironment, which at the moment is the only existing geoscience subject of Greek primary curriculum.
Stiliani Fragouli +2 more
doaj +2 more sources
Cenomanian Ammonite Zones [PDF]
Geological Magazine, 1960 A preliminary statement is made concerning the ammonite genera which have been used in defining the upper Cenomanian (Cretaceous) in Britain. The relations, positions, and characteristics of species of Mantelliceras, Metoicoceras, Utaturiceras, and Protacanthoceras are briefly explained and the need for a change in zonal nomenclature of the uppermost ...
openaire +1 more source
Geology of the Mt. Cosce sector (Narni Ridge, Central Apennines, Italy) [PDF]
, 2016 This paper is companion to a 1:15,000 scale geological map of the southern sector of the Narni Range in Central Italy. This sector of the Apenninic Chain was affected by the western Tethyan rifting stage during the Early Jurassic, and the inherited ...
Cipriani, Angelo
core +1 more source
Oxford: W.J. Arkell’s coral city
Geology Today, Volume 41, Issue 6, Page 251-259, November/December 2025.The city of Oxford, in south‐central England, is partly surrounded by hills on which coral‐rich limestones crop out. The coral developments constitute small reefs and formed during a widely documented Late Jurassic (mid‐Oxfordian) warming episode, near the northern limit of reef growth at that time.
Jonathan D. Radley, Robert A. Coram
wiley +1 more source
OCCURRENCE OF LIASSIC FAUNAS AT WAANEY (UANEI) PROVINCE OF BAY, SOUTH—WESTERN SOMALIA
Rivista Italiana di Paleontologia e Stratigrafia, 2020 The sequence exposed at Waaney (South—western Somalia) consists, from bottom to top, of the following horizons: A) Blackish marly limestones, thickness 20 m; B) Grey and greenish marls and shales, thickness 10 m; C) Vacuolar yellowish—grey limestone ...
PAOLO CANUTI +3 more
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Geologica Carpathica, 2017 Euthymi, Crassicostatum and Callisto ammonite subzones, correlable with Paramimounum, Picteti, and Alpillensis subzones and probably with the Late Berriasian Otopeta Subzone of the Boissieri Standard Zone have been recognized in calcareous clays of the ...
Arkadiev Vladimir V. +6 more
doaj +1 more source