[HTML][HTML] Glaciation-induced features or sediment gravity flows–an analytic review
MO Molén - Journal of Palaeogeography, 2023 - Elsevier
For more than 150 years, geologic characteristics claimed to be evidence for pre-
Pleistocene glaciations have been debated. Advancements in recent decades, in …
Pleistocene glaciations have been debated. Advancements in recent decades, in …
[HTML][HTML] Geochemical proxies: Paleoclimate or paleoenvironment?
MO Molén - Geosystems and Geoenvironment, 2024 - Elsevier
Complications of interpretations of geochemical proxies used for paleoclimatic
constructions, including proxies which may be interpreted as evidence of former glaciations …
constructions, including proxies which may be interpreted as evidence of former glaciations …
Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran–Cambrian ecosystems and prompted an early Cambrian greenhouse world
We combine U–Pb in-situ carbonate dating, elemental and isotope constraints to calibrate
the synergy of integrated mountain-basin evolution in western Gondwana. We show that …
the synergy of integrated mountain-basin evolution in western Gondwana. We show that …
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.+ …
Carbon isotope evidence for large methane emissions to the Proterozoic atmosphere
Abstract The Proterozoic Era records two periods of abundant positive carbon isotope
excursions (CIEs), conventionally interpreted as resulting from increased organic carbon …
excursions (CIEs), conventionally interpreted as resulting from increased organic carbon …
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 …
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 …
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 …
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 …
The sulfur isotopic consequence of seawater sulfate distillation preserved in the Neoproterozoic Sete Lagoas post-glacial carbonate, eastern Brazil
Since the report of tubular structures interpreted as Cloudina from the Neoproterozoic Sete
Lagoas Formation (SLF) in the Bambuí basin of eastern Brazil, this stratigraphic unit has …
Lagoas Formation (SLF) in the Bambuí basin of eastern Brazil, this stratigraphic unit has …