Alcídes N. Sial - Publications, H-index & Citations

Alcídes N. Sial

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46H指数

383论文数

8.1K被引数

收录论文 49

发表时间

An Iridium anomaly record in South America during the Late Jurassic (Tithonian, Araripe Basin), Northeastern Brazil 南美晚侏罗世（提通阶，阿拉里佩盆地）东北巴西的铱异常记录

Gondwana Research

IF8.6

2026-05-06

PREAI

Igor Hamid; Minh Thao Nguyen Duong; Duc Huy Dang; Ana Paula Aquino Benigno; Antônio Álamo Feitosa Saraiva; Thatiany Alencar Batista; Alcides Nóbrega Sial; Luiz Drude de Lacerda

Collapse and recovery of the foraminifera during Oceanic Anoxic Event 1b of the Araripe Basin, in Central Gondwana 阿塔普尔盆地（Central Gondwana）奥陶纪缺氧事件1b期间有孔虫的衰退与复苏

palaeogeography, palaeoclimatology, palaeoecology

IF0

2026-04-07

OAAI

Anne C.M. Brandão; Rilda C. Araripe; Marlone H.H. Bom; Bruno Fernandes; Maria Coutinho; Alcides N. Sial; Alcina M.S. Franca

Diagenetic and hydrothermal events revealed by an Ediacaran dolomite breccia from the Araras-Alto Paraguai basin, southern Amazon Craton

MARINE AND PETROLEUM GEOLOGY

IF3.6

2024-12-01

PREAI

Sepeda, L. F.; Nogueira, A. C. R.; dos Santos, R. F.; Okubo, J.; Silva, P. A. S.; Marques, J. C.; Milhomem, J. M. N.; Luvizotto, G. L.; Macambira, M. J. B.; Sial, A. N.

C, N, Hg isotopes and elemental chemostratigraphy across the Ordovician-Silurian transition in the Argentine Precordillera: Implications for the link between volcanism and extinctions

GONDWANA RESEARCH

IF8.6

2024-09-01

PREAI

Sial, Alcides N.; Chen, Jiubin; Peralta, Silvio Heriberto; Gaucher, Claudio; Korte, Christoph; Ferreira, Valderez P.; Lacerda, Luiz D.; Barbosa, Jose A.; Pereira, Natan S.; Riedel, Paulo R.; Gomez, Jessica

A shift in redox conditions near the Ediacaran/Cambrian transition and its possible influence on early animal evolution, Corumb4Group, Brazil Ediacaran/寒武纪过渡附近氧化还原条件的变化及其对早期动物进化的可能影响，巴西Corumb4Group

GEOSCIENCE FRONTIERS

IF8.9

2024-07-01

OAAI

Caxito, Fabricio A.; Sperling, Erik; Fazio, Gabriella; Adorno, Rodrigo Rodrigues; Denezine, Matheus; Do Carmo, Dermeval Aparecido; Giorgioni, Martino; Uhlein, Gabriel J.; Sial, Alcides N.

Paleoclimatic and paleoenvironmental significance of late Pleistocene pedogenic carbonates ('Caliche Cordao') from the coastal Pampa of southern Brazil

QUATERNARY SCIENCE REVIEWS

IF3.3

2024-02-01

PREAI

Lopes, Renato P.; Pereira, Jamil C.; Dillenburg, Sergio R.; Sial, Alcides N.; Tatumi, Sonia H.; Yee, Marcio; Guadagnin, Felipe; Caron, Felipe

Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran-Cambrian ecosystems and prompted an early Cambrian greenhouse world

SCIENTIFIC REPORTS

IF3.9

2021-10-08

OAAI

Caxito, Fabricio; Lana, Cristiano; Frei, Robert; Uhlein, Gabriel J.; Sial, Alcides N.; Dantas, Elton L.; Pinto, Andre G.; Campos, Filippe C.; Galvao, Paulo; Warren, Lucas, V; Okubo, Juliana; Ganade, Carlos E.

Neoproterozoic high magmatic addition rate episode building a composite batholith in northeastern Brazil, and implications for the western Gondwana assembly

PRECAMBRIAN RESEARCH

IF3.2

2021-09-01

PREAI

Ferreira, V. P.; Neves, C. H. S.; Silva, T. R.; Lima, M. M. C.; Sial, A. N.; da Silva Filho, A. F.

The fate of a Neoproterozoic intracratonic marine basin: Trace elements, TOC and IRON speciation geochemistry of the Bambui Basin, Brazil

PRECAMBRIAN RESEARCH

IF3.2

2019-08-01

OAAI

Hippertt, J. P.; Caxito, F. A.; Uhlein, G. J.; Nalini, H. A.; Sial, A. N.; Abreu, A. T.; Nogueira, L. B.

The Lomagundi-Jatuli carbon isotopic event recorded in the marble of the Tandilia System basement, Rio de la Plata Craton, Argentina

PRECAMBRIAN RESEARCH

IF3.2

2019-06-01

OAAI

Lajoinie, M. F.; Lanfranchini, M. E.; Recio, C.; Sial, A. N.; Cingolani, C. A.; Ballivian Justiniano, C. A.; Etcheverry, R. O.

Sedimentary evolution and tectonic setting of the Itapucumi Group, Ediacaran, northern Paraguay: From Rodinia break-up to West Gondwana amalgamation

PRECAMBRIAN RESEARCH

IF3.2

2019-03-01

PREAI

Warren, L. V.; Freitas, B. T.; Riccomini, C.; Boggiani, P. C.; Quaglio, F.; Simoes, M. G.; Fairchild, T. R.; Giorgioni, M.; Gaucher, C.; Poire, D. G.; Caceres, A. A.; Sial, A. N.

Preglacial palaeoenvironmental evolution of the Ediacaran Loma Negra Formation, far southwestern Gondwana, Argentina

PRECAMBRIAN RESEARCH

IF3.2

2018-09-01

OAAI

Gomez-Peral, Lucia E.; Kaufman, Alan J.; Arrouy, Maria Julia; Richiano, Sebastian; Sial, Alcides N.; Poire, Daniel G.; Ferreira, Valderez P.

Trace elements and isotope geochemistry (C, O, Fe, Cr) of the Caue iron formation, Quadrilatero Ferrifero, Brazil: Evidence for widespread microbial dissimilatory iron reduction at the Archean/Paleoproterozoic transition

PRECAMBRIAN RESEARCH

IF3.2

2017-09-01

PREAI

Teixeira, N. L.; Caxito, F. A.; Rosiere, C. A.; Pecoits, E.; Vieira, L.; Frei, R.; Sial, A. N.; Poitrasson, F.

Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran

PRECAMBRIAN RESEARCH

IF3.2

2017-09-01

OAAI

Warren, Lucas Verissimo; Quaglio, Fernanda; Simoes, Marcello Guimaraes; Gaucher, Claudio; Riccomini, Claudio; Poire, Daniel G.; Freitas, Bernardo Tavares; Boggiani, Paulo C.; Sial, Alcides Nobrega

High-resolution stable isotope stratigraphy of the upper Cambrian and Ordovician in the Argentine Precordillera: Carbon isotope excursions and correlations 阿根廷前寒武纪和奥陶纪的高分辨率稳定同位素地层学: 碳同位素偏移和相关性

GONDWANA RESEARCH

IF8.6

2013-07-01

PREAI

Sial, A. N.; Peralta, S.; Gaucher, C.; Toselli, A. J.; Ferreira, V. P.; Frei, R.; Parada, M. A.; Pimentel, M. M.; Pereira, Natan Silva

Comment on: Chemostratigraphic constraints on early Ediacaran carbonate ramp dynamics, Rio de la Plata craton, Uruguay by Aubet et al. Gondwana Research, Volume 22, Issues 3-4, November 2012, Pages 1073-1090

GONDWANA RESEARCH

IF8.6

2013-04-01

OAAI

Gaucher, Claudio; Sial, Alcides N.; Frei, Robert; Sprechmann, Peter; Bossi, Jorge; Poire, Daniel G.; Blanco, Gonzalo; Sanchez Bettucci, Leda

Isotope geochemistry of Paleoproterozoic metacarbonates from Itatuba, Borborema Province, Northeastern Brazil: Evidence of marble melting within a collisional suture

GONDWANA RESEARCH

IF8.6

2013-01-01

PREAI

Santos, Roberto Ventura; dos Santos, Edilton J.; de Souza Neto, Joao Adauto; Montreuil Carmona, Luis Christian; Sial, Alcides Nobrega; Mancini, Luis Henrique; Montefalco de Lira Santos, Lauro Cezar; do Nascimento, Gilzenia Henrique; Santos Mendes, Lucas UpaDafubigin; Ferreira Anastacio, Emerson Marcello

Chemostratigraphy of the Tamengo Formation (Corumba Group, Brazil) A contribution to the calibration of the Ediacaran carbon-isotope curve

PRECAMBRIAN RESEARCH

IF3.2

2010-10-01

102

PREAI

Boggiani, Paulo C.; Gaucher, Claudio; Sial, Alcides N.; Babinski, Marly; Simon, Cynthia M.; Riccomini, Claudio; Ferreira, Valderez P.; Fairchild, Thomas R.

Global perturbation of the marine Ca isotopic composition in the aftermath of the Marinoan global glaciation Marinoan全球冰川作用后海洋Ca同位素组成的全球扰动

PRECAMBRIAN RESEARCH

IF3.2

2010-10-01

PREAI

Silva-Tamayo, J. C.; Nagler, T. F.; Sial, A. N.; Nogueira, A.; Kyser, K.; Riccomini, C.; James, N. P.; Narbonne, G. M.; Villa, I. M.

Insights from isotope stratigraphy 同位素地层学的见解

PRECAMBRIAN RESEARCH

IF3.2

2010-10-01

PREAI

Sial, Alcides N.; Karhu, Juha A.; Ferreira, Valderez P.

研究方向