STRONTIUM ISOTOPE DATING OF SPICULITIC PERMIAN STRATA FROM SPITSBERGEN OUTCROPS AND BARENTS SEA WELL‐CORES

Eight samples of brachiopod shell material have been analyzed for their strontium isotope composition in order to more accurately date Lower to Upper Permian siliceous biogenic strata of Spitsbergen (Kapp Starostin Formation) and the southern Barents Sea (Røye Formation). The results are interpreted...

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Bibliographic Details
Published in:Journal of Petroleum Geology
Main Authors: Ehrenberg, S.N., McArthur, J.M., Thirlwall, M.F.
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2010
Subjects:
Earth and Planetary Sciences (miscellaneous)
Geology
Energy Engineering and Power Technology
Fuel Technology
Barents Sea
Kapp Starostin
Røye
Spitsbergen
Online Access:http://dx.doi.org/10.1111/j.1747-5457.2010.00476.x
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1747-5457.2010.00476.x
https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1747-5457.2010.00476.x
Description
Summary:Eight samples of brachiopod shell material have been analyzed for their strontium isotope composition in order to more accurately date Lower to Upper Permian siliceous biogenic strata of Spitsbergen (Kapp Starostin Formation) and the southern Barents Sea (Røye Formation). The results are interpreted as showing a mid‐Artinskian age for the basal Vøringen Member of the Kapp Starostin Formation and a range of late Artinskian to Roadian for the overlying part of this unit. The upper part of the Røye Formation yields ages in the range Roadian to Wuchiapingian. These results are consistent with available biostratigraphic data and confirm the potential of strontium isotope stratigraphy for developing a more accurate chronology of the widespread spiculite deposits that characterize the northern margin of Pangea in late‐Early Permian to Late Permian time and which constitute a potential target for petroleum exploration.

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