Geochronology of the Paraná-Etendeka large igneous province

AS Gomes, PM Vasconcelos - Earth-Science Reviews, 2021 - Elsevier
Constraining the timing of emplacement, duration and magma extrusion rates of large
igneous provinces is essential for evaluating their petrogenetic evolution and possible links …

An appraisal of the ages of Phanerozoic large igneous provinces

Q Jiang, F Jourdan, HKH Olierook, RE Merle - Earth-Science Reviews, 2023 - Elsevier
Large igneous provinces (LIPs) are the products of exceptional magmatic events that played
important roles in tectonic plate reorganizations, environmental crises, energy resource …

[HTML][HTML] The onset of flood basalt volcanism, Northern Paraná Basin, Brazil: A precise U–Pb baddeleyite/zircon age for a Chapecó-type dacite

V de Assis Janasi, VA de Freitas, LH Heaman - Earth and Planetary …, 2011 - Elsevier
We report the first U–Pb baddeleyite/zircon date for a felsic volcanic rock from the Paraná
Large Igneous Province in south Brazil. The new date of 134.3±0.8 Ma for a hypocrystalline …

Magmatism and hotspot trails during and after continental break-up in the South Atlantic

RMD de Matos - Marine and Petroleum Geology, 2021 - Elsevier
Abstract The track of South Atlantic hotspots on oceanic crust is well known. However, the
possible hotspot trails of Tristan-Gough (TG) and St. Helena (SH) plume heads on …

Mesozoic to Cenozoic alkaline and tholeiitic magmatism related to West Gondwana break-up and dispersal

ACD Ferreira, RV Conceição, AMP Mizusaki - Gondwana Research, 2022 - Elsevier
For over 50 years, Mesozoic tholeiites, kimberlites and carbonatites from the South
American platform have been enabled the understanding of melting processes in the Earth's …

Contemporaneous alkaline and tholeiitic magmatism in the Ponta Grossa Arch, Paraná-Etendeka Magmatic Province: Constraints from U–Pb zircon/baddeleyite and …

VV Almeida, VA Janasi, LM Heaman, BJ Shaulis… - Journal of Volcanology …, 2018 - Elsevier
We report the first high-precision ID-TIMS U–Pb baddeleyite/zircon and 40 Ar/39 Ar step-
heating phlogopite age data for diabase and lamprophyre dykes and a mafic intrusion (José …

The Cretaceous Peri-Atlantic Alkaline Pulse (PAAP): deep mantle plume origin or shallow lithospheric break-up?

G Matton, M Jébrak - Tectonophysics, 2009 - Elsevier
Although the Early Jurassic initial phases of Atlantic rifting were marked by the tholeiitic
basalt flows and dikes of the Central Atlantic Magmatic Province (CAMP), the Cretaceous …

Geochemical constraints provided by the Freetown Layered Complex (Sierra Leone) on the origin of high-Ti tholeiitic CAMP magmas

S Callegaro, A Marzoli, H Bertrand… - Journal of …, 2017 - academic.oup.com
Abstract The Freetown Layered Complex (FLC) is a massive mafic layered intrusion
cropping out along the coast of Sierra Leone. The present combined geochemical and …

Origin of the South Atlantic igneous province

GR Foulger - Journal of Volcanology and Geothermal Research, 2018 - Elsevier
Abstract The South Atlantic Igneous Province comprises the Paraná Basalts, Rio Grande
Rise, Tristan archipelago and surrounding guyot province, Walvis Ridge, Etendeka basalts …

Plume-related Paranà-Etendeka igneous province: An evolution from plateau to continental rifting and breakup

L Beccaluva, G Bianchini, C Natali, F Siena - Lithos, 2020 - Elsevier
A critical review of the available multidisciplinary data on the Paranà-Etendeka Province
allows for the reconciliation of the controversial aspects of its origin in a coherent …