Climate changes in the pre-Hirnantian Late Ordovician based on δ18Ophos studies from Estonia
Results of conodont-based δ 18 O phos studies from two core sections in Estonia
(Mehikoorma-421 and Valga-10) indicate that the pre-Hirnantian Late Ordovician was …
(Mehikoorma-421 and Valga-10) indicate that the pre-Hirnantian Late Ordovician was …
Immobile and mobile elements during the transition of volcanic ash to bentonite–an example from the early Palaeozoic sedimentary section of the Baltic Basin
In order to check the immobility and mobility of elements during conversion of acidic volcanic
glass to bentonites in normal marine environments, we studied the composition of three …
glass to bentonites in normal marine environments, we studied the composition of three …
[图书][B] New perspectives on the Caledonides of Scandinavia and related areas: introduction
The Caledonian orogen can be traced for several thousand kilometres from the Arctic region
southward on both sides of the North Atlantic Ocean (Fig. 1). The orogen formed in the …
southward on both sides of the North Atlantic Ocean (Fig. 1). The orogen formed in the …
Geochemical reconstruction of the provenance, tectonic setting and paleoweathering of lower paleozoic black shales from northern Europe
Lower Paleozoic black shales from Estonia, Sweden, and Russia were analyzed for major
and trace elements to reconstruct the provenance, tectonic setting, and paleoweathering …
and trace elements to reconstruct the provenance, tectonic setting, and paleoweathering …
[HTML][HTML] A new age model for the Ordovician (Sandbian) K-bentonites in Oslo, Norway
Abstract During the Late Ordovician, large explosive volcanic eruptions deposited worldwide
K-bentonites, including the Millbrig and Deicke K-bentonites in North America and the …
K-bentonites, including the Millbrig and Deicke K-bentonites in North America and the …
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 …
Upper Ordovician and Silurian ash beds in the Holy Cross Mountains, Poland: preservation in mudrock facies and relation to atmospheric circulation in the Southern …
W Trela, E Bąk, M Pańczyk - Journal of the Geological Society, 2018 - lyellcollection.org
Numerous volcanic ash beds (K-bentonite) are recognized globally in Ordovician to Early
Devonian sedimentary successions, and are important for regional stratigraphic correlations …
Devonian sedimentary successions, and are important for regional stratigraphic correlations …
Pyroclastic component influence on the weathering indices assessment in marine sediments–Lessons from Upper Ordovician of the Baltic Basin
The chemical weathering indices of the sediments can serve as tools for estimating the
intensity of weathering in the sediment source rock area and its changes in response to the …
intensity of weathering in the sediment source rock area and its changes in response to the …
[PDF][PDF] Internal stratification of two thick Ordovician bentonites of Estonia: deciphering primary magmatic, sedimentary, environmental and diagenetic signatures.
Twenty-six samples from two major altered volcanic ash beds, Kinnekulle and BII Bentonite
of the Kuressaare core section (K-3), Saaremaa Island, were explored to record the …
of the Kuressaare core section (K-3), Saaremaa Island, were explored to record the …
[PDF][PDF] Geochemical discrimination of the Upper Ordovician Kinnekulle Bentonite in the Billegrav-2 drill core section, Bornholm, Denmark
The content of the trace elements Ti, Nb, Zr and Th has been analysed in 34 Upper
Ordovician bentonites from the Billegrav-2 drill core, Bornholm, Denmark. The section …
Ordovician bentonites from the Billegrav-2 drill core, Bornholm, Denmark. The section …