Emanuela Mattioli
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View article: The Global Boundary Stratotype Section and Point (GSSP) for the base of the Valanginian Stage, the Vergol section (Montbrun-les-Bains, Drôme, SE France) and its Standard Auxiliary Boundary Stratotype (SABS), Cañada Luenga section (Cehegín, SE Spain)
The Global Boundary Stratotype Section and Point (GSSP) for the base of the Valanginian Stage, the Vergol section (Montbrun-les-Bains, Drôme, SE France) and its Standard Auxiliary Boundary Stratotype (SABS), Cañada Luenga section (Cehegín, SE Spain) Open
International audience
View article: A tour in Monts d'Or and Southern Beaujolais
A tour in Monts d'Or and Southern Beaujolais Open
INASSET 2025 Fieldtrip guide
View article: Protracted carbon burial following the Early Jurassic Toarcian Oceanic Anoxic Event (Posidonia Shale, Lower Saxony Basin, Germany)
Protracted carbon burial following the Early Jurassic Toarcian Oceanic Anoxic Event (Posidonia Shale, Lower Saxony Basin, Germany) Open
View article: Change of the locus of organic carbon burial in the aftermath of the Toarcian hyperthermal event: Patterns and drivers
Change of the locus of organic carbon burial in the aftermath of the Toarcian hyperthermal event: Patterns and drivers Open
Carbon cycle-climate dynamics were nonlinear through Earth’s history, driven by changes in internal and external forcing processes acting on various geological timescales. This study focuses on determining the relationship between vo…
View article: New insights into the early Bajocian (Middle Jurassic) carbon cycle perturbation
New insights into the early Bajocian (Middle Jurassic) carbon cycle perturbation Open
Mesozoic strata record numerous negative and positive carbon isotope excursions (CIEs). The Middle Jurassic records a negative ~0.5 ‰ CIE at the Aalenian-Bajocian boundary followed by a positive ~1.5 ‰ CIE covering the entire early Bajocia…
View article: Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic
Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic Open
Drilling for the International Continental Scientific Drilling Program (ICDP) Early Jurassic Earth System and Timescale project (JET) was undertaken between October 2020 and January 2021. The drill site is situated in a small-scale synform…
View article: Revisiting Early Jurassic Biscutaceae:<i>Similiscutum giganteum</i>sp. nov.
Revisiting Early Jurassic Biscutaceae:<i>Similiscutum giganteum</i>sp. nov. Open
A large, broadly elliptical coccolith of the genus Similiscutum (Biscutaceae) was observed in sediments dated from the Lower Jurassic (upper Pliensbachian to Toarcian) coming from different localities of western Tethys, namely Portugal (Lu…
View article: Multiproxy constraints on recovery processes during the hyperthermal Toarcian Oceanic Anoxic Event
Multiproxy constraints on recovery processes during the hyperthermal Toarcian Oceanic Anoxic Event Open
Extreme and rapid climatic and environmental perturbations have punctuated Earth history. The causes and consequences of these past global-change events are relatively well constrained, but how the system can naturally recover through feed…
View article: Extraterrestrial 3He-based reconstruction of sedimentation rates across the Paleocene-Eocene transition at ODP Site 1209 (North Pacific)
Extraterrestrial 3He-based reconstruction of sedimentation rates across the Paleocene-Eocene transition at ODP Site 1209 (North Pacific) Open
Numerous hyperthermal events have been documented through the Paleocene-Eocene transition. The best known hyperthermal event is the Paleocene-Eocene Thermal Maximum (PETM; around 56Ma), a period that led to surface and bottom water warming…
View article: Biostratigraphy of the Numidian Formation and its underlying Tellian unit, based on calcareous nannofossils in Northern Tunisia: Implication on their stratigraphic vs. tectonic relationships
Biostratigraphy of the Numidian Formation and its underlying Tellian unit, based on calcareous nannofossils in Northern Tunisia: Implication on their stratigraphic vs. tectonic relationships Open
View article: Microfossil fragmentation across the Paleocene-Eocene transition at ODP Site 1209 (North Pacific): Implication for reconstructing nannofossil fluxes.
Microfossil fragmentation across the Paleocene-Eocene transition at ODP Site 1209 (North Pacific): Implication for reconstructing nannofossil fluxes. Open
View article: The Global Stratotype Section and Point (GSSP) for the base of the Kimmeridgian Stage (Jurassic System), at Flodigarry, Staffin Bay, Isle of Skye, Scotland, UK
The Global Stratotype Section and Point (GSSP) for the base of the Kimmeridgian Stage (Jurassic System), at Flodigarry, Staffin Bay, Isle of Skye, Scotland, UK Open
Following voting by the Kimmeridgian Working Group, the International Subcommission on Jurassic Stratigraphy and the International Commission on Stratigraphy, the Global Stratotype Section and Point (GSSP) for the base of the Kimmeridgian …
View article: Inter-Regional Correlations And Palaeoclimatic Changes in Middle Paleocene-Early Eocene Of the Eastern Tethys Sea: Calcareous Nannofossil Evidence from the Western Tarim Basin, Nw China
Inter-Regional Correlations And Palaeoclimatic Changes in Middle Paleocene-Early Eocene Of the Eastern Tethys Sea: Calcareous Nannofossil Evidence from the Western Tarim Basin, Nw China Open
View article: Palaeoenvironmental records across the early Toarcian hyperthermal event: From onset to recovery
Palaeoenvironmental records across the early Toarcian hyperthermal event: From onset to recovery Open
View article: Reconstruction of sedimentation rates and nannofossil fluxes using extraterrestrial <sup>3</sup>He across the Paleocene-Eocene transition in the North Pacific
Reconstruction of sedimentation rates and nannofossil fluxes using extraterrestrial <sup>3</sup>He across the Paleocene-Eocene transition in the North Pacific Open
View article: Lower Jurassic calcareous nannofossil taxonomy revisited according to the Neuquén Basin (Argentina) record
Lower Jurassic calcareous nannofossil taxonomy revisited according to the Neuquén Basin (Argentina) record Open
Standard Early Jurassic biostratigraphic studies were performed in the boreal and Tethys realms (western Europe and northern Africa), and biozonations from these areas are the most accurate of the world. Comparatively, investigations in th…
View article: A New Calcareous Nannofossil Record from the Lower Jurassic of Kermanshah, Western Iran: Implications for Biostratigraphy and Evolutionary Reconstructions
A New Calcareous Nannofossil Record from the Lower Jurassic of Kermanshah, Western Iran: Implications for Biostratigraphy and Evolutionary Reconstructions Open
Calcareous nannofossils are used here for the first time in order to establish a precise biostratigraphic framework for the Kermanshah Radiolarite Formation, an outcropping in Western Iran. The new data presented here challenge the previou…
View article: The middle-late Aalenian event: A precursor of the Mesozoic Marine Revolution
The middle-late Aalenian event: A precursor of the Mesozoic Marine Revolution Open
View article: Tracking a drowning unconformity up to the peritidal zone: Proximal expression of the early Bajocian carbonate crisis in Morocco
Tracking a drowning unconformity up to the peritidal zone: Proximal expression of the early Bajocian carbonate crisis in Morocco Open
View article: Recurrent global carbon cycle disturbances during the Aalenian: Evidence from France and Chile
Recurrent global carbon cycle disturbances during the Aalenian: Evidence from France and Chile Open
<p>The Jurassic was punctuated by several episodes of abrupt environmental changes associated with climatic instabilities, severe biotic crisis, and perturbations of the global carbon cycle. Over the last decades, the Toarcian Oceani…
View article: Hardground, gap and thin black shale: spatial heterogeneity of arrested carbonate sedimentation during the Jenkyns Event (T-OAE) in a Tethyan pelagic Basin (Gerecse Mts, Hungary)
Hardground, gap and thin black shale: spatial heterogeneity of arrested carbonate sedimentation during the Jenkyns Event (T-OAE) in a Tethyan pelagic Basin (Gerecse Mts, Hungary) Open
The Jenkyns Event or Toarcian Oceanic Anoxic Event was an episode of severe environmental perturbations reflected in carbon isotope and other geochemical anomalies. Although well studied in the epicontinental basins in NW Europe, its effec…
View article: Table S1:Hardground, gap and thin black shale: spatial heterogeneity of arrested carbonate sedimentation during the Jenkyns Event (T-OAE) in a Tethyan pelagic basin (Gerecse Mts, Hungary)
Table S1:Hardground, gap and thin black shale: spatial heterogeneity of arrested carbonate sedimentation during the Jenkyns Event (T-OAE) in a Tethyan pelagic basin (Gerecse Mts, Hungary) Open
Table providing full details of the geochemical and mineralogical data
View article: S1:The onset of the early Toarcian flooding of the Pliensbachian carbonate platform of Central Tunisia (North-South Axis) as inferred from trace fossils and geochemistry
S1:The onset of the early Toarcian flooding of the Pliensbachian carbonate platform of Central Tunisia (North-South Axis) as inferred from trace fossils and geochemistry Open
Supplementary data.
View article: The Berriasian–Valanginian boundary in the Mediterranean Province of the Tethyan Realm: Ammonite and calcareous nannofossil biostratigraphy of the Vergol section (Montbrun-les-Bains, SE France), candidate for the Valanginian GSSP
The Berriasian–Valanginian boundary in the Mediterranean Province of the Tethyan Realm: Ammonite and calcareous nannofossil biostratigraphy of the Vergol section (Montbrun-les-Bains, SE France), candidate for the Valanginian GSSP Open
View article: Taxonomic revision of the genus Carinolithus (Early - Middle Jurassic) based on morphometric analyses and diagenesis observations: Implications for biostratigraphy and evolutionary trends
Taxonomic revision of the genus Carinolithus (Early - Middle Jurassic) based on morphometric analyses and diagenesis observations: Implications for biostratigraphy and evolutionary trends Open
View article: Assessing anoxia, recovery and carbonate production setback in a hemipelagic Tethyan basin during the Toarcian Oceanic Anoxic Event (Western Carpathians)
Assessing anoxia, recovery and carbonate production setback in a hemipelagic Tethyan basin during the Toarcian Oceanic Anoxic Event (Western Carpathians) Open
International audience
View article: Ocean acidification during the early Toarcian extinction event: Evidence from boron isotopes in brachiopods
Ocean acidification during the early Toarcian extinction event: Evidence from boron isotopes in brachiopods Open
The loss of carbonate production during the Toarcian Oceanic Anoxic Event (T-OAE, ca. 183 Ma) is hypothesized to have been at least partly triggered by ocean acidification linked to magmatism from the Karoo-Ferrar large igneous province (s…
View article: The Toarcian Oceanic Anoxic Event and the Jenkyns Event (IGCP-655 final report)
The Toarcian Oceanic Anoxic Event and the Jenkyns Event (IGCP-655 final report) Open
International audience
View article: Evidence for repeated and global palaeoenvironmental perturbations during the Aalenian
Evidence for repeated and global palaeoenvironmental perturbations during the Aalenian Open
<p>Over the last decades, studies on Jurassic palaeoenvironments have been mostly focussed on the early Toarcian as this latter was marked by the Toarcian Oceanic Anoxic Event (T-OAE; ca. 183 Ma), which was one of the most extreme hy…
View article: Sedimentary geochemistry of Chaudon-Norante section, France
Sedimentary geochemistry of Chaudon-Norante section, France Open
Data from Chaudon-Norante section near Digne in France. The section is dated from the upper Aalenian to the lower Bajocian (Middle Jurassic). Samples are labelled CN. Phosphorus content quantification was based on the ascorbic acid method …