[HTML][HTML] Modes of occurrence of elements in coal: A critical evaluation
Coal, containing all the elements that are present in nature and more than 200 minerals, has
a complex chemical structure, making it one of the most complex geological materials …
a complex chemical structure, making it one of the most complex geological materials …
Altered volcanic ashes in coal and coal-bearing sequences: A review of their nature and significance
Volcanic ashes in coal and coal-bearing sequences typically occur as persistent bands
within coal seams (generally as tonsteins, but in a few cases as bentonites, K-bentonites, or …
within coal seams (generally as tonsteins, but in a few cases as bentonites, K-bentonites, or …
A stratigraphic chart of the Late Carboniferous/Permian succession of the eastern border of the Paraná Basin, Brazil, South America
Sequence stratigraphy, lithostratigraphy and biostratigraphy of the Late Carboniferous/
Permian succession of the eastern border of the Paraná Basin are organized in the form of a …
Permian succession of the eastern border of the Paraná Basin are organized in the form of a …
Three stages in the Late Paleozoic to Triassic magmatism of southwestern Gondwana, and the relationships with the volcanogenic events in coeval basins
AM Sato, EJ Llambías, MAS Basei, CE Castro - Journal of South American …, 2015 - Elsevier
The intermediate to acid Choiyoi Magmatic Province is the most conspicuous feature along
the Late Paleozic continental margin of southwestern Gondwana, and is generally regarded …
the Late Paleozic continental margin of southwestern Gondwana, and is generally regarded …
A paleoclimatic review of southern South America during the late Paleozoic: a record from icehouse to extreme greenhouse conditions
This paper provides a review of the Late Mississippian to Permian paleoclimatic history for
southern South America based on lithologic indicators, biostratigraphic information, and …
southern South America based on lithologic indicators, biostratigraphic information, and …
Geochronology, mineralogy, and geochemistry of tonsteins from the Pennsylvanian Taiyuan formation of the Jungar Coalfield, Ordos Basin, North China
Altered volcanic ashes occur worldwide in coal-bearing sequences. The Carboniferous is
one of the important coal-forming periods but the altered volcanic ashes within coals in …
one of the important coal-forming periods but the altered volcanic ashes within coals in …
A new stratigraphic framework built on U-Pb single-zircon TIMS ages and implications for the timing of the penultimate icehouse (Paraná Basin, Brazil)
The timing of the late Paleozoic glaciation and its terminal deglaciation in the Paraná Basin,
Brazil, is unconstrained and prohibits correlation of the Paraná Basin ice record with other …
Brazil, is unconstrained and prohibits correlation of the Paraná Basin ice record with other …
30 million years of Permian volcanism recorded in the Choiyoi igneous province (W Argentina) and their source for younger ash fall deposits in the Paraná Basin …
We present four SHRIMP U–Pb zircon ages for the Choiyoi igneous province from the San
Rafael Block, central–western Argentina. Dated samples come from the Yacimiento Los …
Rafael Block, central–western Argentina. Dated samples come from the Yacimiento Los …
The late Paleozoic Ice Age along the southwestern margin of Gondwana: Facies models, age constraints, correlation and sequence stratigraphic framework
O López-Gamundí, CO Limarino, JL Isbell… - Journal of South …, 2021 - Elsevier
The southwestern margin of South America offers a complete record of the Late Paleozoic
Ice Age (LPIA) that affected the Gondwana supercontinent. The tripartite division of LPIA …
Ice Age (LPIA) that affected the Gondwana supercontinent. The tripartite division of LPIA …
U-Pb zircon dating of ash fall deposits from the paleozoic Paraná basin of Brazil and Uruguay: a reevaluation of the stratigraphic correlations
AC Rocha-Campos, MAS Basei… - The Journal of …, 2019 - journals.uchicago.edu
Ash fall layers and vitroclastic-carrying sediments distributed throughout the entire Permian
stratigraphic range of the Paraná Basin (Brazil and Uruguay) occur in the Tubarão …
stratigraphic range of the Paraná Basin (Brazil and Uruguay) occur in the Tubarão …