New geochemical identification fingerprints of volcanism during the Ordovician-Silurian transition and its implications for biological and environmental evolution
S Yang, W Hu, J Fan, Y Deng - Earth-Science Reviews, 2022 - Elsevier
Volcanism had been an important factor in several geological events, usually recorded by
volcanic ash layers (bentonites). However, most volcanic eruption materials were dispersed …
volcanic ash layers (bentonites). However, most volcanic eruption materials were dispersed …
The chemical index of alteration (CIA) and interpretation of ACNK diagrams
The chemical index of alteration (CIA) and ACNK ternary diagrams (ie, with apices of Al 2 O
3, CaO+ Na 2 O, and K 2 O) are among the most widely used tools for evaluation of chemical …
3, CaO+ Na 2 O, and K 2 O) are among the most widely used tools for evaluation of chemical …
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 …
[HTML][HTML] Mineralogical and geochemical characteristics of altered volcanic ashes (tonsteins and K-bentonites) from the latest Permian coal-bearing strata of western …
Although the geochemical and mineralogical characteristics and provenance of Permian-
Triassic boundary (PTB) widespread volcanic ashes from southern China have been well …
Triassic boundary (PTB) widespread volcanic ashes from southern China have been well …
Mineralogical and geochemical characteristics of tonsteins from the Middle Jurassic Yan'an Formation, Ordos Basin, North China
Although the Jurassic features a considerable accumulation of coal worldwide, only a few
tonsteins within coal seams in this coal-forming period have been investigated. This paper …
tonsteins within coal seams in this coal-forming period have been investigated. This paper …
[HTML][HTML] XRD and TEM analyses of a simulated leached rare earth ore deposit: Implications for clay mineral contents and structural evolution
X **, L Chen, H Chen, L Zhang, W Wang, H Ji… - Ecotoxicology and …, 2021 - Elsevier
The types, contents, and microstructures of clay minerals play important roles in controlling
the adsorption and desorption of ion-absorbed type rare earth ores and heavy metals. By …
the adsorption and desorption of ion-absorbed type rare earth ores and heavy metals. By …
[HTML][HTML] Evaluation of CaO derived from Cerastoderma glaucum of Caspian beach as a natural sorbent for CO2 capture
Abstract In this work, Cerastoderma Glaucum (CG) as a bio-sorbent, a low-cost, and
nontoxic material, was investigated for CO 2 capture. The analysis of CaO from CG was …
nontoxic material, was investigated for CO 2 capture. The analysis of CaO from CG was …
Geological factors for the enrichment of critical elements within the Lo**ian (Late Permian) coal-bearing strata in western Guizhou, Southwestern China …
T Yang, Y Shen, L Lu, J **, W Huang, F Li… - International Journal of …, 2024 - Elsevier
A number of volcanic ash-bearing layers deposited in the Upper Permian coal-bearing strata
on the southwestern margin of the Yangtze Craton are well preserved, and some layers …
on the southwestern margin of the Yangtze Craton are well preserved, and some layers …
Intensive wildfire associated with volcanism promoted the vegetation changeover in Southwest China during the Permian− Triassic transition
Y Cai, H Zhang, Z Feng, S Shen - Frontiers in Earth Science, 2021 - frontiersin.org
Palaeo-wildfire, which had an important impact on the end Permian terrestrial ecosystems,
became more intense in the latest Permian globally, evidenced by extensive occurrence of …
became more intense in the latest Permian globally, evidenced by extensive occurrence of …
Hydrothermal overprinting of the Li-rich strata deposited in the Mesoproterozoic Wumishan Formation, Hebei Province, North China
F Xu, B Zhao, H Wen, H Liu, X Li, Y Chen, Y Cui… - Gondwana …, 2025 - Elsevier
Lithium (Li), as a strategic critical metal, plays a pivotal role in the emerging energy
landscape, particularly in the context of Li-ion batteries driving the new energy economy …
landscape, particularly in the context of Li-ion batteries driving the new energy economy …