Middle Ordovician astrochronology decouples asteroid breakup from glacially-induced biotic radiations

JA Rasmussen, N Thibault… - Nature …, 2021 - nature.com
Meso-Cenozoic evidence suggests links between changes in the expression of orbital
changes and millennia-scale climatic-and biotic variations, but proof for such shifts in orbital …

Benthic biota (nummulites) response to a hyperthermal event: Eccentricity-modulated precession control on climate during the middle Eocene warming in the …

JH Messaoud, N Thibault, D De Vleeschouwer… - Palaeogeography …, 2023 - Elsevier
Earth's future environment depends critically on how the marine ecosystems react to the
current greenhouse conditions. Past warming events from the Middle Eocene can shed light …

Calcareous nannoplankton response to middle-late Eocene climate and sea-level changes in the SW Neo-Tethys

JH Messaoud, N Thibault, MH Aljahdali, C Yaich… - Marine …, 2024 - Elsevier
We investigate the response of calcareous nannoplankton to the middle-late Eocene
transition in the SW Neo-Tethys and compare our data to published results from X-ray …

Middle Eocene to early Oligocene biostratigraphy in the SW Neo-Tethys (Tunisia): Large-scale correlations using calcareous nannofossil events and …

JH Messaoud, N Thibault, MH Aljahdali… - Journal of African Earth …, 2023 - Elsevier
We integrate previous Bayesian and astronomically tuned age calibrations of the calcareous
nannofossils events with our large-scale correlations to discuss using the standard …

[HTML][HTML] Integrated stratigraphy of the middle-upper Eocene Souar Formation (Tunisian dorsal): implications for the middle eocene climatic optimum (MECO) in the SW …

JH Messaoud, N Thibault, B Bomou, T Adatte… - Palaeogeography …, 2021 - Elsevier
Calcareous nannofossil biostratigraphy and carbon-isotope stratigraphy on bulk organics of
the middle-upper Eocene Souar Formation (Tunisia) allow for a refined stratigraphy of this …

Orbital tuning for the middle Eocene to early Oligocene Monte Cagnero Section (Central Italy): Paleoenvironmental and paleoclimatic implications

MVL Kochhann, JF Savian, F Tori, R Catanzariti… - Palaeogeography …, 2021 - Elsevier
During the middle Eocene to early Oligocene Earth transitioned from a greenhouse to an
icehouse climate state. The interval comprises the Middle Eocene Climatic Optimum …

Stratigraphy, sedimentology and geochemistry of the Oligocene–Lower Miocene Maikop Group in Dagestan, NE Caucasus

Y Gavrilov, R Nedumov, E Shchepetova… - Journal of Petroleum …, 2021 - Wiley Online Library
A relatively complete section of the Maikop Group (Oligocene–lower Miocene) is exposed
along the Sulak River valley in Dagestan (NE Caucasus) and contains a depositional record …

Middle–upper eocene sediments and sea-level dynamics in central Tunisia

J Haj Messaoud, C Yaich - Mediterranean Geoscience Reviews, 2024 - Springer
Magnetic susceptibility (MS) and clay mineralogy data from the Bougobrine and Souar
sections (middle–upper eocene) in Central Tunisia were analyzed in conjunction with …

Geochemistry and cyclostratigraphy of homogeneous deposits using high-resolution hand-held X-ray Fluorescence: Outcrop to subsurface correlation, sequence …

JH Messaoud - 2024 - researchsquare.com
This paper aims to determine the applicability of the handheld X-ray fluorescence (HH-XRF)
for studying homogenous deposits, which finds essential applications in economic geology …

High-resolution magnetic susceptibility as a proxy for sediment provenance change: age constraints on the Middle-Upper Eocene Atlasic event (central Tunisia)

JH Messaoud, C Yaich - 2024 - researchsquare.com
Magnetic susceptibility (MS) and clay mineralogy data from the Bougobrine and Souar
sections (Middle-Upper Eocene) in central Tunisia are compared to known sedimentological …