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 …
Chapter 18 Tonian–Cryogenian rifting and Cambrian–Early Devonian platformal to foreland basin development outside the Caledonide orogen
LM Wickström, MB Stephens - Geological Society, London …, 2020 - lyellcollection.org
Different parts of a Tonian–Early Devonian sedimentary succession, covering Proterozoic
crystalline basement, occur along the erosional front to the Caledonide orogen, as outliers …
crystalline basement, occur along the erosional front to the Caledonide orogen, as outliers …
Guadalupian (Permian) onset of subduction zone volcanism and geodynamic turnover from passive-to active-margin tectonics in southeast China
New stratigraphic, geochemical, and geochronological data from the late Paleozoic
depositional record in Anhui Province, China, signal the onset of active-margin magmatism …
depositional record in Anhui Province, China, signal the onset of active-margin magmatism …
Upper Katian (Ordovician) bentonites in the East Baltic, Scandinavia and Scotland: geochemical correlation and volcanic source interpretation
T Kiipli, P Dahlqvist, T Kallaste, E Kiipli… - Geological …, 2015 - cambridge.org
Altered volcanic ash interbeds (bentonites) in the upper Katian of Baltoscandia indicate
significant volcanic activity in neighbouring tectonically active areas. Katian bentonites in the …
significant volcanic activity in neighbouring tectonically active areas. Katian bentonites in the …
Multiphase Silurian bentonites in the Baltic palaeobasin
The mineral composition of altered volcanic ash beds, bentonites, deposited in marine
environments is typically characterized by smectite or illite–smectite type clay minerals …
environments is typically characterized by smectite or illite–smectite type clay minerals …
Correlation of Silurian bentonites based on the immobile elements in the East Baltic and Scandinavia
This article presents a dataset of geochemical analyses from Silurian altered volcanic ash
beds (bentonites) characterising 132 eruptions and preserved in sedimentary sections of the …
beds (bentonites) characterising 132 eruptions and preserved in sedimentary sections of the …
Composition and correlation of volcanic ash beds of Silurian age from the eastern Baltic
T Kiipli, T Kallaste, V Nestor - Geological Magazine, 2010 - cambridge.org
Sanidine composition and bulk geochemistry of volcanic ash beds from the East Baltic
indicate the subalkaline nature of the volcanism near the margins of the Baltica plate during …
indicate the subalkaline nature of the volcanism near the margins of the Baltica plate during …
Trace-element and Sr and Nd isotopic geochemistry of Cretaceous bentonites in Wyoming and South Dakota tracks magmatic processes during eastward migration of …
Bentonite beds, which are clay deposits produced by the submarine alteration of volcanic
tephra, preserve millions of years of volcanic products linked to magmatic systems for which …
tephra, preserve millions of years of volcanic products linked to magmatic systems for which …
[PDF][PDF] Geochemistry and correlation of volcanic ash beds from the Rootsiküla Stage (Wenlock-Ludlow) in the eastern Baltic
T Kiipli, R Einasto, T Kallaste, V Nestor… - Estonian Journal of …, 2011 - vana.kirj.ee
Nine altered volcanic ash samples from the shoal and lagoonal sediments of the Rootsiküla
Stage (WenlockœLudlow boundary interval, Estonia) were analysed, compared and …
Stage (WenlockœLudlow boundary interval, Estonia) were analysed, compared and …
Integrated Telychian (Silurian) K-bentonite chemostratigraphy and biostratigraphy in Estonia and Latvia
T Kiipli, T Kallaste, V Nestor, DK Loydell - Lethaia, 2010 - idunn.no
The distribution of altered volcanic ash layers (K-bentonites) and Telychian chitinozoans in
four East Baltic drill core sections are compared. This information is integrated with graptolite …
four East Baltic drill core sections are compared. This information is integrated with graptolite …