Investigating δ13C values in stalagmites from tropical South America for the last two millennia
Due to the many factors controlling δ 13 C values in stalagmites, complicating their
paleoclimatic and paleoenvironmental interpretation, most studies do not present δ 13 C …
paleoclimatic and paleoenvironmental interpretation, most studies do not present δ 13 C …
The Ediacaran paleontological record in South America
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 …
the Ediacaran-Cambrian transition, with almost 100 years of studies on organisms …
Global or regional? Constraining the origins of the middle Bambuí carbon cycle anomaly in Brazil
Abstract The Ediacaran-Cambrian Bambuí Group in Brazil records an anomalously positive
excursion in carbonate carbon isotopes (δ 13 C carb) with a sustained plateau of ca.+ …
excursion in carbonate carbon isotopes (δ 13 C carb) with a sustained plateau of ca.+ …
The Água Clara cave system in northeastern Brazil: the richest hotspot of subterranean biodiversity in South America
RL Ferreira, M Berbert-Born, M Souza-Silva - Diversity, 2023 - mdpi.com
The Água Clara Cave System (ACCS) in Brazil is the richest hotspot of subterranean
biodiversity in South America. In this study, we present an updated list of cave-restricted …
biodiversity in South America. In this study, we present an updated list of cave-restricted …
[HTML][HTML] A large epeiric methanogenic Bambuí sea in the core of Gondwana supercontinent?
Carbon isotope compositions of both sedimentary carbonate and organic matter can be
used as key proxies of the global carbon cycle and of its evolution through time, as long as …
used as key proxies of the global carbon cycle and of its evolution through time, as long as …
Treptichnus pedum in the Três Marias Formation, south-central Brazil, and its implications for the Ediacaran-Cambrian transition in South America
EAM Sanchez, A Uhlein, TR Fairchild - Journal of South American Earth …, 2021 - Elsevier
The index ichnofossil Treptichnus pedum Seilacher 1955 and four types of Microbially
Induced Sedimentary Structures (MISS)-variants of wrinkle and elephant skin structures–are …
Induced Sedimentary Structures (MISS)-variants of wrinkle and elephant skin structures–are …
Towards an integrated tectonic model for the interaction between the Bambuí basin and the adjoining orogenic belts: Evidences from the detrital zircon record of syn …
M Kuchenbecker, AC Pedrosa-Soares… - Journal of South …, 2020 - Elsevier
The São Francisco craton and its surrounding orogens are some of the most important
tectonic elements of South America, and key regions to understanding the assembly of …
tectonic elements of South America, and key regions to understanding the assembly of …
Sequence stratigraphy and paleoenvironmental significance of the Neoproterozoic Bambui Group, Central Brazil
LG DaSilva, PK Pufahl, NP James, EM Guimaraes… - Precambrian …, 2022 - Elsevier
Abstract The Bambui Group is a ca. 2,000 m-thick mixed biochemical-siliciclastic
sedimentary succession that accumulated in the Sao Francisco Basin, central Brazil. Its age …
sedimentary succession that accumulated in the Sao Francisco Basin, central Brazil. Its age …
Rare earth elements in the terminal Ediacaran Bambuí Group carbonate rocks (Brazil): evidence for high seawater alkalinity during rise of early animals
Rare earth elements plus yttrium (REY) mass fractions of ancient carbonate rocks are used
to track changes in chemistry of past seawater. Here we investigate REY patterns in two …
to track changes in chemistry of past seawater. Here we investigate REY patterns in two …
Multiple sulfur isotopes and stratigraphic constraints for the 34S enrichments in the late Ediacaran-Cambrian pyrite-sulfur record: A product of supercontinent …
The late Ediacaran record encompasses frequent occurrences of 34 S-enriched pyrites,
which can surpass the coexisting sulfate isotope values. Deciphering what controls this …
which can surpass the coexisting sulfate isotope values. Deciphering what controls this …