Results 91 to 100 of about 3,061 (198)

A potential stratotype for the Oxfordian-Kimmeridgian boundary (Upper Jurassic). Staffin Bay, Isle of Skye, U.K

open access: yes, 2006
A coastal exposure of the Staffin Shale Formation at Flodigarry, Staffin Bay, Isle of Skye, Scotland, UK fulfils the criteria for definition as the Global Stratotype Section and Point (GSSP) for the base of the Kimmeridgian Stage (Upper Jurassic).
Page, K.N   +7 more
core   +3 more sources

The succession of ammonites of the genus Amoeboceras in the Upper Oxfordian – Kimmeridgian of the Nordvik section in northern Siberia [PDF]

open access: yes, 2009
A collection of ammonites of the genus Amoeboceras located carefully in the section of Nordvik Peninsula in northern Siberia has enabled recognition of the standard Boreal ammonite zones of the Upper Oxfordian and Kimmeridgian.
Wierzbowski, A., Rogov, M.
core  

The Oxfordian-Kimmeridgian boundary in the Puerto Lorente section (External Prebetic) revisited

open access: yes, 1992
In the Puerto Lorente section at the Sierra de Cazorla (External Prebetic), the uppermost Oxfordian is made up of limestones with recognizable traces of increasing condensation.
Rodríguez Tovar, F. J., Olóriz, F.
core  

Review of the dental pattern in the squalomorph shark Protospinax annectans , and a description of two new Jurassic shark genera

open access: yesActa Palaeontologica Polonica
The extinct elasmobranch Protospinax is an intriguing shark known mostly from isolated teeth and rare complete skeletons. Most previous studies focused on differences in isolated teeth for taxonomic assignments, with little to no considerations of dental
Arnaud Begat   +5 more
doaj   +1 more source

Kimmeridgian to Paleocene Tectonic and Geodynamic Evolution of the Peruvian (and Ecuadorian) Margin

open access: yes, 1994
Three main tectonic periods are recognized between Kimmeridgian and Paleocene times in the Peruvian-Ecuadorian margin.
openaire   +2 more sources

d13Ccarbonate chemostratigraphy of the Carrapateira Outlier (Lower Kimmeridgian), Southern Portugal [PDF]

open access: yes, 2014
The Carrapateira Outlier (CO) located 20 km north of Sagres is formed by Upper Triassic to Kimmeridgian sediments. The studied section is located at Três Angras bay and consists of approximately 50 m of limestones interbedded with marls, assigned to ...
Goodhue, R.   +5 more
core  

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