The Ediacaran paleontological record in South America

LV Warren, B Becker-Kerber, L Inglez, FG Varejão… - Earth-Science …, 2024 - Elsevier
South America figures as one of the most fruitful continents for paleontological research on
the Ediacaran-Cambrian transition, with almost 100 years of studies on organisms …

Ediacaran discs from South America: probable soft-bodied macrofossils unlock the paleogeography of the Clymene Ocean

MJ Arrouy, LV Warren, F Quaglio, DG Poiré… - Scientific Reports, 2016 - nature.com
The origin, affinity and paleoecology of macrofossils of soft-bodied organisms of the terminal
Ediacaran Period have been highly debated. Previous discoveries in South America are …

Paleomagnetism of the Ediacaran Avellaneda Formation (Argentina), part I: Paleogeography of the Río de la Plata craton at the dawn of Gondwana

PR Franceschinis, JW Afonso, MJ Arrouy… - Precambrian …, 2022 - Elsevier
A paleomagnetic and rock magnetic study was carried out in the Ediacaran Avellaneda (∼
570 Ma) and Cerro Negro (∼ 555 Ma) Formations belonging to the La Providencia Group, in …

Tectono-Stratigraphic reconstruction of the Neoproterozoic Tandilia System: An approach from subsidence analysis

N Scivetti, MJ Arrouy, P Marcos, LV Warren… - Precambrian …, 2024 - Elsevier
Several studies on the Neoproterozoic sedimentary cover of the Tandilia System, Argentina,
have been carried out in recent decades. The integration of this knowledge and new results …

Paleomagnetism of the Ediacaran Avellaneda Formation (Argentina), Part II: Magnetic and chemical stratigraphy constraints on the onset of the Shuram carbon …

JWL Afonso, P Franceschinis, AE Rapalini… - Precambrian …, 2023 - Elsevier
Magnetostratigraphy is a powerful technique for high-resolution stratigraphic correlation and
accurate dating of the polarity history of the magnetic field. Up to now, magnetostratigraphic …

Crustal architecture and tectonic evolution of the southernmost Río de la Plata Craton and its Neoproterozoic–Paleozoic sedimentary cover: Insights from 3D litho …

RO Christiansen, CAB Justiniano, S Oriolo… - Precambrian …, 2021 - Elsevier
In the last decade, several models have been proposed to explain the location and
geometry of the southern margin of the Archean–Paleoproterozoic Río de la Plata Craton …

Deciphering the Importance of Mineralogical Changes in the Neoproterozoic Epeiric Seas through the Sedimentary Succession of Tandilia System: A Brief Review

LE Gómez-Peral, MJ Arrouy, C Ferreyra, V Penzo… - Minerals, 2024 - mdpi.com
The Neoproterozoic (> 1160 to~ 540 Ma) sedimentary record of the Tandilia System is
reorganized into eight depositional sequences based on a detailed review of published …

Preglacial palaeoenvironmental evolution of the ediacaran loma Negra formation, far southwestern gondwana, Argentina

LE Gómez-Peral, AJ Kaufman, MJ Arrouy… - Precambrian …, 2018 - Elsevier
Abstract The Ediacaran Loma Negra Formation may be deposited in a platform environment
related to the Clymene Ocean. This unit is exposed in the Olavarría and Barker areas within …

The U–Pb and Lu–Hf zircon record of the Neoproterozoic tectonomagmatic evolution of the Ventania System basement, central-eastern Argentina: The southernmost …

CAB Justiniano, S Oriolo, JA Arnol, EM Renda… - Precambrian …, 2023 - Elsevier
Abstract In the Ventania System of central-eastern Argentina, Neoproterozoic igneous rocks
of the Sauce Chico Complex (SCC) crop out. They consist of low-grade mylonitized granites …

The assembly of western Gondwana: Reconstruction based on paleomagnetic data

AE Rapalini - Geology of Southwest Gondwana, 2018 - Springer
In the last two decades some consensus has been reached with regard to the assembly of
Gondwana being a long and complex process. Reliable paleomagnetic data are essential to …