Benthic foraminiferal assemblages record major environmental perturbations during the Late Pliensbachian–Early Toarcian interval in the Peniche GSSP, Portugal

P Rita, M Reolid, LV Duarte - Palaeogeography, Palaeoclimatology …, 2016 - Elsevier
This is the first ecostratigraphic and palaeoecological analysis of the benthic foraminiferal
assemblages, defined as morphogroups, in the Pliensbachian–Toarcian transition and the …

Western Tethys early and Middle Jurassic calcareous nannofossil biostratigraphy

J Ferreira, E Mattioli, B Sucherás-Marx, F Giraud… - Earth-Science …, 2019 - Elsevier
An exhaustive biostratigraphic study based on the calcareous nannofossil content from
Lower and Middle Jurassic Lusitanian Basin sections in Portugal is here presented. Located …

Carbon-isotope record of the Early Jurassic (Toarcian) Oceanic Anoxic Event from fossil wood and marine carbonate (Lusitanian Basin, Portugal)

SP Hesselbo, HC Jenkyns, LV Duarte… - Earth and Planetary …, 2007 - Elsevier
The Toarcian Oceanic Anoxic Event (OAE) in the Early Jurassic (∼ 183 Ma ago) was
characterized by widespread near-synchronous deposition of organic-rich shales in marine …

[PDF][PDF] III. 3. A Bacia Lusitaniana: Estratigrafia, Paleogeografia e Tectónica

JC Kullberg, RB Rocha, AF Soares, J Rey… - Geologia de …, 2013 - researchgate.net
A Bacia Lusitaniana18 é uma bacia sedimentar que se desenvolveu na Margem Ocidental
Ibérica (MOI19) durante parte do Mesozóico, e a sua dinâmica enquadra-se no contexto da …

Secular environmental precursors to Early Toarcian (Jurassic) extreme climate changes

G Suan, E Mattioli, B Pittet, C Lécuyer… - Earth and Planetary …, 2010 - Elsevier
The Early Toarcian Oceanic Anoxic Event (T-OAE), about 183myr ago, was a global event of
environmental and carbon cycle perturbations, which deeply affected both marine biota and …

Duration of the Early Toarcian carbon isotope excursion deduced from spectral analysis: consequence for its possible causes

G Suan, B Pittet, I Bour, E Mattioli, LV Duarte… - Earth and Planetary …, 2008 - Elsevier
The marked 3–8‰ negative carbon isotope excursion associated with the Early Toarcian
oceanic anoxic event (OAE;~ 183 myr ago) in the Early Jurassic period is thought to …

Carbon isotope evidence for sedimentary discontinuities in the lower Toarcian of the Lusitanian Basin (Portugal): Sea level change at the onset of the Oceanic Anoxic …

B Pittet, G Suan, F Lenoir, LV Duarte, E Mattioli - Sedimentary Geology, 2014 - Elsevier
Abstract The Toarcian Oceanic Anoxic Event (T-OAE), Early Jurassic, was an episode of
rapid warming and deep perturbation of the carbon cycle, as suggested by the large carbon …

Base of the Toarcian stage of the lower Jurassic defined by the global boundary stratotype section and point (GSSP) at the Peniche section (Portugal)

RCB da Rocha, E Mattioli, LV Duarte, B Pittet… - Episodes Journal of …, 2016 - hal.science
Dactylioceras (Eodactylites). The Pliensbachian/Toarcian boundary (PLB/TOA) is contained
in a continuous section forming over 450m of carbonate-rich sediments. Tectonics, syn …

The Early Toarcian oceanic anoxic event in the external subbetic (Southiberian Palaeomargin, Westernmost Tethys): geochemistry, nannofossils and ichnology

M Reolid, M Emanuela, LM Nieto… - Palaeogeography …, 2014 - Elsevier
The analysis of macroinvertebrates, trace fossils, calcareous nannofossils and geochemistry
from Pliensbachian to Lower Toarcian deposits of the Subbetic (Southern Spain) allows us …