Abstract
The Stratigraphic Drilling Project of the Russian Arctic Shelf, conducted by the Rosneft Oil Company, focuses their attention on the stratigraphic age and composition of rock complexes of the sedimentary basins. In 2021, six shallow boreholes for the first time were drilled with core sampling in the eastern part of the Laptev Sea. Drilling recovered sedimentary rocks of the folded basement that have been dated to the Late Barremian–Early Aptian. The synrift complex lying with angular unconformity has been dated to the Paleocene. The section of the overlying Eocene–Pleistocene sediments contains significant hiatuses. The data obtained by drilling together with the results of seismic interpretation allowed us to clarify the regional geological model and to date the stages of its tectonic evolution.
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ACKNOWLEDGMENTS
The authors are grateful to S.A. Girvich, the head of drilling operations on the R/V Bavenit, for successful drilling of shallow stratigraphic boreholes and solution of production tasks.
Funding
This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.
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Malyshev, N.A., Verzhbitsky, V.E., Danilkin, S.M. et al. Stratigraphic Drilling in the Northeastern Part of Laptev Sea: First Results. Dokl. Earth Sc. (2024). https://doi.org/10.1134/S1028334X23603310
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DOI: https://doi.org/10.1134/S1028334X23603310