Article
Geosciences, Multidisciplinary
Nicholas D. Fedorchuk, Roberto Iannuzzi, Neil P. Griffis, John L. Isbell, Cesar Goso, Eduardo L. M. Rosa, Isabel P. Montanez, Qing-Zhu Yin, Magdalena H. Huyskens, Matthew E. Sanborn, Roland Mundil, Fernando F. Vesely, Roberto Iannuzzi
Summary: This study utilized U-Pb detrital zircon geochronology to assess the provenance of glacial and post-glacial sediments from the Parana Basin, Brazil and the Chaco-Parana Basin, Uruguay. Results show different detrital zircon signatures between the two basins, suggesting distinct sources for glaciers that deposited sediments in these basins. The study contributes to a better understanding of glacial processes in the region.
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2021)
Article
Geography, Physical
Wenchao Shen, Qiaojing Zhao, Dieter Uhl, Jun Wang, Yuzhuang Sun
Summary: The Late Paleozoic is known for its frequent wildfires, but the impact of these wildfires on vegetation and their relationship with levels of atmospheric pCO2 and pO2 are still debated. New data from coal deposits in the Yuzhou Coalfield provide insights into the role of wildfires during the late Carboniferous and early Permian. The studies suggest that wildfires were prevalent during the deposition of the Taiyuan Formation, characterized by crown fires. These wildfires may have played a significant role in the thriving of the Cathaysian Flora during this period, and they could have influenced organic carbon burial on land and in the ocean.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
Article
Geochemistry & Geophysics
Ren Wei, Mingsong Li, Rui Zhang, Yongyun Hu, James G. Ogg, Guoyong Liu, He Huang, Xiangwu He, Shuai Yuan, Qifan Lin, Zhijun Jin
Summary: This study provides evidence for the involvement of continental aquifers in the global water cycle during icehouse episodes at the million-year scale. The analysis of lacustrine sedimentary sequences and paleoclimate simulations reveals the influence of groundwater aquifers on long-period obliquity cycles and sea-level fluctuations during the late Paleozoic ice age.
EARTH AND PLANETARY SCIENCE LETTERS
(2023)
Article
Geosciences, Multidisciplinary
Tingting Wang, Jian Cao, Jun Jin, Liuwen Xia, Baoli Xiang, Wanyun Ma, Wenwen Li, Wenjun He
Summary: This study focused on the Late Paleozoic Fengcheng Formation in the Junggar Basin, NW China, using organic and inorganic geochemical methods. Results indicate that the formation was deposited in an anoxic, hypersaline, stratified lacustrine environment with higher freshwater influx in the upper part. The spatiotemporal evolution of alkaline lakes is shown to be multi-stage and heterogeneous, influenced by hydrothermal and volcanic activities under restricted conditions and a dry climate.
MARINE AND PETROLEUM GEOLOGY
(2021)
Article
Geosciences, Multidisciplinary
Tingting Wang, Jian Cao, Alan R. Carroll, Dongming Zhi, Yong Tang, Xulong Wang, Yuwen Li
Summary: This paper presents a comprehensive data set on sodium carbonate evaporites found in the Fengcheng Formation in northwestern China, offering insights into their mineralogy, age, and formation processes. The study suggests that these deposits were formed in extensional grabens hosting hypersaline lakes, which were influenced by coeval volcanic activity.
GEOLOGICAL SOCIETY OF AMERICA BULLETIN
(2021)
Article
Geology
John L. Isbell, Nicholas D. Fedorchuk, Eduardo L. M. Rosa, Cesar Goso, Pablo J. Alonso-Muruaga
Summary: The Whalebacks, roche moutonnees, and S-forms found in the Ediacaran granitoids near Cerro de las Cuentas in Uruguay, along with overlying sedimentary rocks, record the glacial to post-glacial transition in the linked basins of Uruguay, Brazil, and Argentina. These landforms indicate temperate glacial conditions and were formed under varying ice thicknesses. The presence of subglacial waters and meltwater discharge is also evident in the sedimentary rocks. The importance of these findings is rated 8 out of 10.
SEDIMENTARY GEOLOGY
(2023)
Article
Geography, Physical
Tingting Wang, Jian Cao, Liuwen Xia, Dongming Zhi, Yong Tang, Wenjun He
Summary: The study of the age of the Fengcheng Formation in the Junggar Basin reveals crucial information on the impact of the late Paleozoic ice age on the Northern Hemisphere. Through various isotope analyses, the deposition age of the Fengcheng Formation is determined to be around 300 million years ago, indicating its connection with the late Carboniferous warming period and the late Paleozoic ice age.
GLOBAL AND PLANETARY CHANGE
(2022)
Article
Geology
J. Cagliari, M. D. Schmitz, J. Tedesco, F. A. Trentin, E. L. C. Lavina
Summary: This study aims to provide detailed chronostratigraphic information about the terminal deglaciation of the Late Paleozoic Ice Age in the Parana Basin. By using high-precision radioisotopic ages and Bayesian age-depth models, the researchers determine the timing of the glacial-postglacial transition and the Carboniferous-Permian boundary in the study area.
SEDIMENTARY GEOLOGY
(2023)
Article
Geography, Physical
Ren Wei, Rui Zhang, Mingsong Li, Xiaojun Wang, Zhijun Jin
Summary: This study investigates the cyclostratigraphy and organic carbon burial processes in the Lucaogou Formation of the Early Permian Junggar Basin in order to understand the mechanisms behind the changes in inland lake levels during the Late Paleozoic Ice Age. The results demonstrate that variations in land-ocean water exchange, associated with changes in poleward flux of moisture, play a major role in regulating lake levels in the Northern Hemisphere during this period.
GLOBAL AND PLANETARY CHANGE
(2023)
Article
Geosciences, Multidisciplinary
John L. Isbell, Fernando F. Vesely, Eduardo L. M. Rosa, Kathryn N. Pauls, Nicholas D. Fedorchuk, Libby R. W. Ives, Natalie B. McNall, Scott A. Litwin, Mark K. Borucki, John E. Malone, Allison R. Kusick
Summary: The late Paleozoic Ice Age (LPIA) lasted for over 100 million years and has two competing hypotheses about the nature of glaciation during this period. The traditional view suggests a continuous glacial event, while the emerging hypothesis proposes multiple ice sheets and alternating glacial events with non-glacial intervals. Various proxies are used to define the ice age, with complexities and nuances that make interpretation challenging.
EARTH-SCIENCE REVIEWS
(2021)
Article
Geosciences, Multidisciplinary
D. C. Silva, D. C. B. Schemiko, J. P. C. Pietsch, C. S. Vega
Summary: This study aims to understand the paleoenvironment of the Lontras Shale in Brazil by analyzing microfossils and phytoclasts. The results show that the preservation of these fossils and the analysis suggest significant changes in the paleoenvironment during deposition of the Lontras Shale. It is inferred that the shale was deposited in a proximal environment such as an estuary or a fjord.
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2023)
Article
Geology
Justin P. Ahern, Christopher R. Fielding
Summary: The poorly understood succession from Mississippian to basal Pennsylvanian in northern Utah is believed to record late Paleozoic sea-level excursions. The Manning Canyon Formation is interpreted as representing multiple relative sea-level fluctuations, with different facies associations indicating various depositional environments during these fluctuations.
SEDIMENTARY GEOLOGY
(2021)
Article
Geosciences, Multidisciplinary
Jinkai Xia, Ziqi Zhong, Shaoying Huang, Caiming Luo, Hong Lou, Haining Chang, Xiang Li, Lunyan Wei
Summary: The Tarim basin is a complex sedimentary basin that has undergone multiple and polycyclic tectonic movements. Understanding its prototype basin and tectono-paleogeographic evolution is crucial for understanding the tectonic systems and hydrocarbon exploration. This paper provides maps and illustrations to depict the tectonic and paleogeographic features of the Tarim basin during the Late Paleozoic.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Geography, Physical
Biao Gao, Hao Xin, Xing Huang, Keyi Hu, Quanfeng Zheng, Jitao Chen
Summary: This study presents sedimentological and biostratigraphic research on a late Carboniferous mixed carbonate-siliciclastic succession in southeastern South China, revealing the sedimentary response to the late Paleozoic ice age. The study found that there was a sudden increase in siliciclastic influx during the late Moscovian, which was caused by an enhanced precipitation event.
GLOBAL AND PLANETARY CHANGE
(2022)
Article
Geosciences, Multidisciplinary
Ricardo Maahs, Juliano Kuchle, Amanda Goulart Rodrigues, Tais Freitas da Silva, Marleny Blanco Gonzalez, Fernando Erthal
Summary: The Rio Bonito Formation in Brazil contains the thickest coal beds in the country, which were formed in coastal depositional systems during the early Permian. This study analyzed sedimentological, stratigraphic, organic petrological, and geochemical data to understand the source of the coal organic matter and distinguish different depositional sub-environments. The results suggest that the organic matter in the coal-bearing interval is thermally immature and derived from land plants, with possible marine contributions at the top.
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2023)
Article
Geography, Physical
P. M. Eger, J. Cagliari, C. D. Aquino, O. G. W. Coelho
Article
Geosciences, Multidisciplinary
Marcelo Kehl de Souza, Francisco Manoel Wohnrath Tognoli, Mauricio Roberto Veronez, Luiz Paulo Luna de Oliveira, Luiz Gonzaga Jr, Joice Cagliari, Marco Scaioni
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2018)
Article
Geosciences, Multidisciplinary
Mariane Candido, Joice Cagliari, Francisco Manoel Wohnrath Tognoli, Ernesto Luiz Correa Lavina
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2019)
Article
Geology
Marcos Ramon Fritzen, Joice Cagliari, Mariane Candido, Ernesto Luiz Correa Lavina
SEDIMENTARY GEOLOGY
(2019)
Article
Geosciences, Multidisciplinary
Jose Rafael W. Benicio, Andre Jasper, Rafael Spiekermann, Cibele I. Rockenbach, Joice Cagliari, Etiene Fabbrin Pires-Oliveir, Dieter Uhl
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2019)
Article
Geochemistry & Geophysics
M. V. L. Kochhann, J. Cagliari, K. G. D. Kochhann, D. R. Franco
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
(2020)
Article
Geography, Physical
Mariane Candido, Joice Cagliari, Ernesto Luiz Lavina
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2020)
Article
Geology
Julia Tedesco, Joice Cagliari, Farid Chemale Junior, Tiago Jonatan Girelli, Cristiano Lana
SEDIMENTARY GEOLOGY
(2019)
Article
Geography, Physical
Victoria Valdez Buso, Juan Pablo Milana, Mercedes di Pasquo, Paulo Sergio Gomes Paim, Ruy Paulo Philipp, Carolina Danielski Aquino, Joice Cagliari, Farid Chemale Junior, Ben Kneller
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2020)
Article
Geosciences, Multidisciplinary
Julia dos Reis Coitinho, Henrique Parisi Kern, Joice Cagliari, Ernesto Luiz Correa Lavina, Tiago Jonatan Girelli, Julia Tedesco, Cristiano Lana, Ariane Santos da Silveira
Summary: The end of the Late Paleozoic Ice Age was followed by a period of global warming climate, leading to the deposition of diamictite deposits in the Mariana Pimentel paleovalley due to increased rainfall and slope instability. This transition was characterized by a decrease in physical weathering and an increase in chemical weathering, with debris flow processes transporting regolith from valley walls to the bottom during the intense rainfall.
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2021)
Article
Geosciences, Multidisciplinary
Celso Pagano Galli, Joice Cagliari, Ernesto Luiz Correa Lavina
Summary: This study presents an example of how coastal morphology in ancient coastal zones can control tidal range. By analyzing sedimentological and stratigraphical data from cores drilled in the southern Paraná Basin, the study identifies two third-order depositional sequences in the Lower Permian Rio Bonito Formation, showing changes in paleoenvironmental conditions. The study reveals how changes in coastal morphology can impact tidal and wave processes in marine marginal environments.
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
(2021)
Proceedings Paper
Geosciences, Multidisciplinary
Marcelo K. de Souza, Mauricio R. Veronez, Francisco M. W. Tognoli, Luiz Gonzaga, Lais V. de Souza, Marcus V. L. Kochhann, Nadine G. da Silva, Fernando P. Marson, Joice Cagliari
2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
(2017)