Results 21 to 30 of about 6,911 (176)

Paleoceanography and dinoflagellate cyst stratigraphy across the Lower–Middle Pleistocene Subseries (Calabrian–Chibanian Stage) boundary at the Chiba composite section, Japan

open access: yesProgress in Earth and Planetary Science, 2021
A dinoflagellate cyst record from the highly resolved Chiba composite section in Japan has been used to reconstruct sea-surface paleoceanographic changes across the Lower–Middle Pleistocene Subseries (Calabrian–Chibanian Stage) boundary at the global ...
Eseroghene J. Balota   +4 more
doaj   +1 more source

Magnetostratigraphy of the Lower Triassic beds from Chaohu(China) and its implications for the Induan–Olenekian stage boundary. [PDF]

open access: yes, 2009
A magnetostratigraphic study was performed on the lower 44 m of the West Pingdingshan section near Chaohu city, (Anhui province, China) in order to provide a magnetic polarity scale for the early Triassic.
Sun, Zhiming   +5 more
core   +2 more sources

Ostracods and conodonts of the Ustyarega Formation of the stratotype area (Lower Frasnian, Southern Timan) [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2022
New data on ostracods and conodonts and their stratigraphic distribution in the Ustyarega Formation of a stratotype area (Lower Frasnian, Southern Timan) are presented.
Sobolev D.B.   +2 more
doaj   +1 more source

Pliocene-Pleistocene marine cyclothems, Wanganui Basin, New Zealand: a lithostratigraphic framework [PDF]

open access: yes, 1995
The Rangitikei River valley between Mangaweka and Vinegar Hill and the surrounding Ohingaiti region in eastern Wanganui Basin contains a late Pliocene to early Pleistocene (c. 2.6-1.7 Ma), c.
Abbott S. T.   +13 more
core   +2 more sources

Sedimentology of the Triassic–Jurassic boundary beds in Pinhay Bay (Devon, SW England) [PDF]

open access: yes, 2001
Sedimentology of the Triassic–Jurassic boundary beds in Pinhay Bay(Devon, SW England). Proceedings of the Geologists’ Association, 112. 349–360. New exposures in Pinhay Bay (SE Devon) of the White Lias (Langport Member of the Lilstock Formation)and ...
Wignall, P.B.
core   +1 more source

Révision du stratotype des Sédiments de Saint-Pierre et implications stratigraphiques, vallée du Saint-Laurent, Québec [PDF]

open access: yes, 1990
Dans le ravin du stratotype, les Sédiments de Saint-Pierre sont composés de six lithozones dont trois sont décrites pour la première fois. La microflore et les macrorestes des six lithozones révèlent une végétation à caractère boréal évoquant un climat ...
Ferland, Pierre, Occhietti, Serge
core   +1 more source

The base of the Curionii Zone (Ladinian, Triassic) in Felsőörs (Hungary): improved correlation with the Global Stratotype Section [PDF]

open access: yes, 2008
Recent excavation and sampling in the upper part of the Felsőörs section (Balaton Highland, Hungary) yielded important ammonoid findings, identified as belonging to the genera Nevadites, Chieseiceras, Eoprotrachyceras and Falsanolcites. Several specimens
Budai, Tamás   +2 more
core   +1 more source

Lower miocene stratigraphy of the Eastern Paratethys: Problems and state of the art [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva
The Lower Miocene regional stages of the Eastern Paratethys, the Caucasian, Sakaraulian, and Kozakhurian, have been recognized in different structural facies zones of the basin and have no reliable universal stratigraphic basis for defining their ...
Golovina Larisa   +5 more
doaj   +1 more source

THE PROTECTION OF JURASSIC SITES AND FOSSILS: CHALLENGES FOR GLOBAL JURASSIC SCIENCE (INCLUDING A PROPOSED STATEMENT ON THE CONSERVATION OF PALAEONTOLOGICAL HERITAGE AND STRATOTYPES)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
Effective geoconservation systems are crucial to the activities of subcommissions of the International Subcommission on Stratigraphy, such as the Jurassic Subcommission (ISJS).
KEVIN N. PAGE
doaj   +1 more source

Biostratigraphy of the Danian/Selandian transition: A case study from Kamestan anticline section, northwest of Izeh city in Khuzestan province, Southern Iran [PDF]

open access: yes, 2010
The planktonic foraminifera turnover across the Danian-Selandian boundary (early to late Paleocene, ~60 Ma) has been studied in the Kamestan anticline section. The studied interval span planktonic foraminifera zones P2-P3.
Abbas Sadeghi, Nasrin Hadavandkhani
core   +1 more source

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