The Volkhov–Kunda transition and the base of the Holen Limestone at Kinnekulle, Västergötland, Sweden

Lindskog, Anders; Eriksson, Mats E.; Pettersson, Anna M.L.

doi:10.1080/11035897.2014.880507

Cited by 16 publications

(28 citation statements)

References 14 publications

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“…() and Lindskog et al . (), with the middle part of the ‘Lanna Limestone’ extrapolated from Nielsen () and Löfgren (). [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Methodsmentioning

confidence: 99%

Lower–Middle Ordovician carbon and oxygen isotope chemostratigraphy at Hällekis, Sweden: implications for regional to global correlation and palaeoenvironmental development

Lindskog

Eriksson

Bergström

et al. 2019

LET

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A high‐resolution chemostratigraphical (coupled δ13Ccarb and δ18Ocarb) study of the topmost Floian through the middle Darriwilian (Ordovician) succession at the Hällekis quarry, Kinnekulle, southern Sweden, shows relatively steady isotopic values with overall minor changes, although some notable short‐ and long‐term shifts are discernible. A pronounced positive shift in δ13C in the uppermost part of the study succession is identified as the Middle Darriwilian Isotopic Carbon Excursion (MDICE), representing the only named global isotopic excursion in the data set. Regional and global comparisons suggest that few details in the different carbon and oxygen isotope curves can be confidently correlated, but longer‐term patterns appear quite consistent. Trends in the isotope data are in agreement with palaeogeographical reconstructions. Differences in stratigraphical patterns of both carbon and oxygen isotopes between localities suggest strong secular development at several spatiotemporal scales; any global signal involving relatively minor isotopic shifts is often masked/subdued by local and regional overprinting and care should be taken not to overinterpret data sets. Collectively, the data suggest rising sea levels and cooling climates through the studied time interval, but detailed interpretations remain problematic.

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“…() and Lindskog et al . (), with the middle part of the ‘Lanna Limestone’ extrapolated from Nielsen () and Löfgren (). [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Methodsmentioning

confidence: 99%

Lower–Middle Ordovician carbon and oxygen isotope chemostratigraphy at Hällekis, Sweden: implications for regional to global correlation and palaeoenvironmental development

Lindskog

Eriksson

Bergström

et al. 2019

LET

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“…An increase in grain abundance is seen in the shallow water palaeoenvironment of the Lenodus variabilis Zone (Lindskog et al . ). The benthic fossils include echinoderms, brachiopods, trilobites, molluscs (including gastropods) and ostracods (Jaanusson ; Rasmussen & Stouge ; Tinn & Meidla ; Eriksson et al .…”

Section: Baltoniodus–microzarkodina Biofaciesmentioning

confidence: 97%

“…In the early Darriwilian (Dw1), more shallow conditions generally prevailed in vast areas of the Baltoscandian platform (Nielsen , ; Rasmussen & Stouge ; Lindskog et al . ). Baltica moved northward in the late Dapingian to early Darriwilian period (Cocks & Torsvik ) at c .…”

Section: Lateral Variation Of the Conodont Biofacies During The Dapinmentioning

confidence: 97%

Baltoscandian conodont biofacies fluctuations and their link to Middle Ordovician (Darriwilian) global cooling

Rasmussen

Stouge

2018

Palaeontology

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The Middle Ordovician conodont genera that are suitable for palaeoenvironmental interpretations from the epicontinental Baltoscandian platform have been identified and evaluated to establish and describe conodont biofacies and their relationship to global cooling. The construction of biofacies was based on multivariate statistical analyses of more than 375 700 conodont specimens from 520 samples and 21 localities across Baltica. Three distinct, recurrent and laterally extensive conodont biofacies existed across the Baltoscandian platform of the Baltica continent during the Dapingian and early to middle Darriwilian stages (Middle Ordovician). A relatively shallow water conodont assemblage named the Baltoniodus–Microzarkodina Biofacies characterized the inner shelf localities in central Sweden, Estonia, Russia and Ukraine. In the distal shelf areas, patterns are more complex. Here, genera of the Periodon Biofacies characterized the shelf margin areas of the Scandinavian Caledonides facing the relatively warm Iapetus Ocean towards the north, whereas the Protopanderodus Biofacies dominated the distal shelf areas facing the cooler Tornquist Sea towards the south‐west. Although these three main biofacies continued to dominate during the succeeding Darriwilian stage, distinct changes in the distribution of biofacies took place during the transition from the Dapingian Stage to the Darriwilian. We argue that the biofacies change was triggered by a regressive event related to early Darriwilian cooling, and that the palaeoclimatological changes influenced the Baltic conodont faunas near the Tornquist Sea margin before those of the Iapetus margin (early vs middle Darriwilian).

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“…The Lanna limestone follows above, and is in turn overlain by the Holen limestone. The Tøyen-Lanna boundary closely coincides with that between the Floian and Dapingian global stages (e.g., Bergström & Löfgren 2009;Lindskog 2014). The Lanna-Holen limestone interval, colloquially known as the 'Rödsten' ('Redstone';Holm 1901) due to the characteristic reddish brown color, constitutes the 'orthoceratite limestone' proper and is the main target of this study.…”

Section: Geologic Settingmentioning

confidence: 90%

Megascopic processes reflected in the microscopic realm: sedimentary and biotic dynamics of the Middle Ordovician “orthoceratite limestone” at Kinnekulle, Sweden

Lindskog

Eriksson

2017

GFF

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The Volkhov–Kunda transition and the base of the Holen Limestone at Kinnekulle, Västergötland, Sweden

Cited by 16 publications

References 14 publications

Lower–Middle Ordovician carbon and oxygen isotope chemostratigraphy at Hällekis, Sweden: implications for regional to global correlation and palaeoenvironmental development

Lower–Middle Ordovician carbon and oxygen isotope chemostratigraphy at Hällekis, Sweden: implications for regional to global correlation and palaeoenvironmental development

Baltoscandian conodont biofacies fluctuations and their link to Middle Ordovician (Darriwilian) global cooling

Megascopic processes reflected in the microscopic realm: sedimentary and biotic dynamics of the Middle Ordovician “orthoceratite limestone” at Kinnekulle, Sweden

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