Diagenetic and hydrothermal events revealed by an Ediacaran dolomite breccia from the Araras-Alto Paraguai basin, southern Amazon Craton
LF Sepeda, ACR Nogueira, RF dos Santos… - Marine and Petroleum …, 2024 - Elsevier
The establishment of extensive carbonate platforms characterized the Ediacaran period
during CaCO3 oversaturation events and the exceptional creation of accommodation space …
during CaCO3 oversaturation events and the exceptional creation of accommodation space …
[HTML][HTML] Characterization of the Dongjiahe Zn-Pb deposit, South China: Implication for exploration of Mississippi Valley-type ore in Marinoan cap dolostone
L Zhuang, Y Song, J Ren, Z Wu - Ore Geology Reviews, 2025 - Elsevier
The Marinoan cap dolostone overlying the Marinoan glacial deposits (∼ 650–635 Ma)
occurs on almost every continent and shows similar sedimentary structures in all cases …
occurs on almost every continent and shows similar sedimentary structures in all cases …
Diagenesis of the Marinoan cap dolostone, Southern Amazon Craton: An unconventional petroleum system in the evolution of the Araras-Alto Paraguai Basin
RF dos Santos, ACR Nogueira, JB da Costa… - Marine and Petroleum …, 2023 - Elsevier
The post-snowball Earth world favors the development of hydrocarbon source rock
intimately linked to periods of post-glacial marine transgression generating important …
intimately linked to periods of post-glacial marine transgression generating important …
Life in the aftermath of Marinoan glaciation: The giant stromatolite evolution in the Puga cap carbonate, southern Amazon Craton, Brazil
RF dos Santos, ACR Nogueira, GR Romero… - Precambrian …, 2021 - Elsevier
Giant domal stromatolites associated with vertical tubestone are reported for the first time in
the Marinoan (635 Ma) Puga cap dolostone on the southern Amazon Craton, Brazil. The …
the Marinoan (635 Ma) Puga cap dolostone on the southern Amazon Craton, Brazil. The …
Ediacaran-Cambrian microbialites of the Southern Amazon Craton: relation with the metazoan rise, sea-level changes, and global tectonics
ACR Nogueira, RF Santos, GR Romero… - Brazilian Journal of …, 2022 - SciELO Brasil
Microbialites are the most abundant life evidence in Precambrian sedimentary rocks. They
are produced by microbial interaction activity and sedimentary processes reflecting …
are produced by microbial interaction activity and sedimentary processes reflecting …
Rare earth elements as indicators of post-Marinoan (∼ 635 Ma) paleoceanographic changes from the Amazon Craton
The extensive deglaciation linked to the Snowball Earth climate that elapsed in the terminal
Neoproterozoic caused dramatic changes in ocean chemistry, exceptionally recorded in …
Neoproterozoic caused dramatic changes in ocean chemistry, exceptionally recorded in …
Post-Marinoan paleoredox and paleoproductivity record in Puga cap carbonate: Implication for coastal life colonization at the Amazon Craton marginal Sea
The geochemical signatures in cap carbonate successions are critical records of
paleoceanographic conditions following Snowball Earth events. These deposits offer insight …
paleoceanographic conditions following Snowball Earth events. These deposits offer insight …
Peritidal microbialites in the upper Araras Group: Morphotypes, potential preservation and the relation with the Ediacaran-Cambrian unconformity in the Araras-Alto …
GR Romero, RF dos Santos, ACR Nogueira… - Journal of South …, 2022 - Elsevier
The Proterozoic biosphere was dominated by shallow-marine and intertidal bacterial biota,
as evident from a robust record of microbialites in carbonate rocks. The lower Ediacaran …
as evident from a robust record of microbialites in carbonate rocks. The lower Ediacaran …
[HTML][HTML] Continental contribution to the marinoan cap carbonate of Tangará da Serra–MT, Brazil: further evidence from Sr-Nd-Pb isotope geochemistry
NMC Souza, JM Lafon, JM Milhomem Neto… - Brazilian Journal of …, 2024 - SciELO Brasil
On the southern edge of the Amazonian Craton, the Mirassol d'Oeste and Guia formations
constitute the cap carbonate of the Araras Group. Petrography, X-ray diffraction, and …
constitute the cap carbonate of the Araras Group. Petrography, X-ray diffraction, and …
Re-appearance of precipitated aragonite crystal fans as evidence for expansion of oceanic dissolved inorganic carbon reservoir in the aftermath of the Lomagundi …
The initial accumulation of atmospheric oxygen is marked by the unprecedented positive
δ13Ccarb excursions of the Lomagundi-Jatuli Event (LJE) and records an interval of …
δ13Ccarb excursions of the Lomagundi-Jatuli Event (LJE) and records an interval of …