Calciclastic submarine fans: An integrated overview

A Payros, V Pujalte - Earth-Science Reviews, 2008 - Elsevier
Calciclastic submarine fans are rare in the stratigraphic record and no bona fide present-day
analogue has been described to date. Possibly because of that, and although calciclastic …

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 …

Calcium isotope evidence for dramatic increase of continental weathering during the Toarcian oceanic anoxic event (Early Jurassic)

JM Brazier, G Suan, T Tacail, L Simon, JE Martin… - Earth and Planetary …, 2015 - Elsevier
The early Toarcian was punctuated by pulses of massive carbon injection that are thought to
have triggered, through increased greenhouse conditions, elevated continental discharge …

Dramatic decrease of pelagic carbonate production by nannoplankton across the Early Toarcian anoxic event (T-OAE)

E Mattioli, B Pittet, L Petitpierre, S Mailliot - Global and Planetary Change, 2009 - Elsevier
In this account we present estimates of nannofossil fluxes in four sections and one borehole
all belonging to the Early Jurassic western Tethys. This study aims to map the distribution of …

Organic-rich facies in the Sinemurian and Pliensbachian of the Lusitanian Basin, Portugal: Total Organic Carbon distribution and relation to transgressive-regressive …

LV Duarte, RFL Silva, LV Oliveira, MJC Rengifo, F Silva - Geologica Acta, 2010 - raco.cat
The upper Sinemurian to Pliensbachian series of the Lusitanian Basin (Portugal)
correspond to marly limestone sediments rich in benthic and nektonic macrofauna. This …

Update of the carbon and oxygen isotopic records of the Early–Late Pliensbachian (Early Jurassic,~ 187 Ma): Insights from the organic-rich hemipelagic series of the …

RL Silva, LV Duarte, MJ Comas-Rengifo… - Chemical …, 2011 - Elsevier
A high-resolution carbon and oxygen isotopic bulk carbonate record from organic-rich
hemipelagic series of Early–Late Pliensbachian age (~ 187Ma) is presented for the …

High‐resolution stratigraphy, palynofacies and source rock potential of the Agua de Madeiros formation (lower Jurassic), Lusitanian basin, Portugal

LV Duarte, RL Silva, JG Mendonça Filho… - Journal of Petroleum …, 2012 - Wiley Online Library
HIGHâ•’RESOLUTION STRATIGRAPHY, PALYNOFACIES AND SOURCE ROCK
POTENTIAL OF THE ÆGUA DE MADEIROS FORMATION (LOWER JURASSI Page 1 105 …

[PDF][PDF] Carbon isotope stratigraphy and ammonite biochronostratigraphy across the Sinemurian-Pliensbachian boundary in the western Iberian margin

LV Duarte, MJ Comas-Rengifo, RL Silva… - Bulletin of …, 2014 - geology.cz
Here, we present an integrated stratigraphical study across the Sinemurian–Pliensbachian
interval cropping out into the Portuguese reference section of S. Pedro de Moel (Lusitanian …

Late Pliensbachian–Early Toarcian (Early Jurassic) environmental changes in an epicontinental basin of NW Europe (Causses area, central France): a …

S Mailliot, E Mattioli, A Bartolini, F Baudin… - Palaeogeography …, 2009 - Elsevier
We present an integrated work based on calcareous nannofossil and benthic foraminiferal
assemblages, and geochemical analyses of two Upper Pliensbachian–Lower Toarcian …