Stable Ca and Sr isotopes support volcanically triggered biocalcification crisis during Oceanic Anoxic Event 1a
J Wang, AD Jacobson, BB Sageman… - …, 2021 - pubs.geoscienceworld.org
Large igneous province (LIP) eruptions are hypothesized to trigger biocalcification crises.
The Aptian nannoconid crisis, which correlates with emplacement of the Ontong Java …
The Aptian nannoconid crisis, which correlates with emplacement of the Ontong Java …
High‐resolution C‐isotope, TOC and biostratigraphic records of OAE 1a (Aptian) from an expanded hemipelagic cored succession, western Tethys: a new …
JM Castro, PA Ruiz‐Ortiz, GA de Gea… - Paleoceanography …, 2021 - Wiley Online Library
A high‐resolution carbonate C‐isotope stratigraphy for the Aptian is presented for the Cau
core (Spain). The biostratigraphically calibrated C‐isotope stratigraphy of the core is used to …
core (Spain). The biostratigraphically calibrated C‐isotope stratigraphy of the core is used to …
Sequence stratigraphy and organic geochemistry: An integrated approach to understand the anoxic events and paleoenvironmental evolution of the Ceará basin …
ACB de Souza, DR do Nascimento Jr… - Marine and Petroleum …, 2021 - Elsevier
An organic geochemical investigation combined with sequence stratigraphy was performed
in the Ceará Basin, an offshore basin located in Northeastern Brazil. The information …
in the Ceará Basin, an offshore basin located in Northeastern Brazil. The information …
Mercury chemostratigraphy as a proxy of volcanic-driven environmental changes in the Aptian-Albian transition, Araripe Basin, northeastern Brazil
APA Benigno, AÁF Saraiva, AN Sial… - Journal of South American …, 2021 - Elsevier
The stratigraphy of mercury (Hg) in sections of the Araripe Basin straddling the Aptian-Albian
transition, encompassing the Romualdo, Ipubi, Crato and Barbalha (formerly Rio da …
transition, encompassing the Romualdo, Ipubi, Crato and Barbalha (formerly Rio da …
Planktic foraminifera of the upper Barremian–Aptian black shale intervals from the Chaqiela section (Gamba, southern Tibet): Biostratigraphic and …
Marine sedimentary intervals of the upper Barremian–upper Aptian record the profound
changes in global plate configurations and the ocean-climate system. Black shale lithofacies …
changes in global plate configurations and the ocean-climate system. Black shale lithofacies …
Isotopic chemostratigraphy and biostratigraphy of Lower Cretaceous Alisitos Formation (Punta China section), Baja California, Mexico
J Madhavaraju, RW Scott, K Selvaraj… - Geological …, 2021 - Wiley Online Library
Nine units of carbonate rocks are recognized, of which the highest five units are examined
here under biostratigraphical and chemostratigraphical aspects in order to infer mid …
here under biostratigraphical and chemostratigraphical aspects in order to infer mid …
Upper Aptian-lower albian seawater composition and OAEs: geochemistry of Agua Salada and Lampazos formations, Sonora, Mexico
JC Saucedo-Samaniego, J Madhavaraju… - Journal of South …, 2021 - Elsevier
Abstract Upper Aptian-lower Albian seawater composition changes and redox conditions in
limestones of the Agua Salada and Lampazos formations in Mexico were investigated by …
limestones of the Agua Salada and Lampazos formations in Mexico were investigated by …
Multiproxy strategy for determining palaeoclimate parameters in the Ruby Ranch Member of the Cedar Mountain Formation
A multiproxy approach for evaluating palaeoclimate parameters in deep-time can result in
improvements to inter-related factors affecting palaeohydrology. Here we utilize diverse …
improvements to inter-related factors affecting palaeohydrology. Here we utilize diverse …
Chemostratigraphy of the lower Cretaceous Mural Limestone, Rancho Bufalo section, Sonora, Mexico: Implications for OAE 1b
J Madhavaraju, JC Saucedo-Samaniego… - Marine and Petroleum …, 2021 - Elsevier
A multidisciplinary approach of the Aptian-Albian Mural Limestone including petrography,
geochemistry and stable isotope data is undertaken for the 660-m thick Rancho Bufalo …
geochemistry and stable isotope data is undertaken for the 660-m thick Rancho Bufalo …
Paleoenvironmental changes and biotic response to Aptian–Albian episodes of accelerated global change: Evidence from the western margin of the proto-North …
NA Gutiérrez-Puente, R Barragán… - Cretaceous Research, 2021 - Elsevier
Abstract The Aptian–Albian interval represents a time of distinctive atmospheric and oceanic
changes. A major perturbation of the carbon cycle induced by intense volcanic activity …
changes. A major perturbation of the carbon cycle induced by intense volcanic activity …