Base of the Toarcian Stage of the Lower Jurassic defined by the Global Boundary Stratotype Section and Point (GSSP) at the Peniche section (Portugal) - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Episodes Journal of International Geoscience Année : 2016

Base of the Toarcian Stage of the Lower Jurassic defined by the Global Boundary Stratotype Section and Point (GSSP) at the Peniche section (Portugal)

Maria-Cristina Cabral
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Nicola P Perilli
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Résumé

Dactylioceras (Eodactylites). The Pliensbachian/ Toarcian boundary (PLB/TOA) is contained in a continuous section forming over 450m of carbonate-rich sediments. Tectonics, syn-sedimentary disturbance, metamorphism or significant diagenesis do not significantly affect this area. At the PLB/TOA, no vertical facies changes, stratigraphical gaps or hiatuses have been recorded. The base of the Toarcian Stage is marked in the bed 15e by the first occurrence of D. (E.) simplex, co-occurring with D. (E.) pseudocommune and D. (E.) 460 Articles
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Dates et versions

hal-01403277 , version 1 (25-11-2016)

Identifiants

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Rogério C Bordalo da Rocha, Emanuela Mattioli, Luís Vítor Duarte, Bernard Pittet, Serge Elmi, et al.. Base of the Toarcian Stage of the Lower Jurassic defined by the Global Boundary Stratotype Section and Point (GSSP) at the Peniche section (Portugal). Episodes Journal of International Geoscience, 2016, ⟨10.18814/epiiugs/2016/v39i3/99741⟩. ⟨hal-01403277⟩
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