... for the Arctic regions of the Siberian Platform, located on the coast of the Laptev Sea in the interfluve of Khatanga and Lena (Khatanga–Lena region). The study area covers the Anabar–Khatanga, Lena–Anabar oil and gas areas (OGA) and the northern part of the Anabar OGA of the Lena–Tunguska oil and gas province...

...Fig. 1. Scheme of geological and geophysical study of the Khatanga–Lena interfluve area. 1 – coastline, 2 – rivers, 3 – administrative boundaries; 4 – boundaries of folded areas, 5 – boundaries of oil and gas areas, 6 – seismic CDP profiles, 7 – composite profile Reg_AHS-LA_2017, 8...

..., structural, and tectonic characteristics of the continental margin of the Siberian platform (Khatanga–Lena interfluve) . Russ. Geol. Geophys . 62 ( 8 ), 947 – 963 , doi: 10.2113/RGG20214352 . Kotova , S.V. , Lezhnin , D.S. , Uhlova , G.D. , 2018...

... were carried out at Trofimuk Institute of Geology and Geophysics (Novosibirsk). Correlations with reference sections give us fairly confident ideas about the stratigraphy of these sections. Upper Jurassic deposits of the Khatanga–Olenek interfluve belong to the Khatanga and Lena–Anabar subareas ( Saks...

... Siberia and in northern Yakutia ( Bezrukova, 1994 ; Bochkareva, 1970 ; Sologub, 1994 ; Strepetilova, 1994 ; Strepetilova and Rybak, 1989 ). Cooksonites variabilis , Foraminisporis dailyi , F. asymmetricus , and Rouseisporites were reported from the Khatanga basin and the Lena-Anabar interfluve...

.... , Lapkovsky , V.V. , Lunev , B.V. , Moiseev , S.A. , Soloviev , M.V. ( 2021 a). Seismogeologic, structural, and tectonic characteristics of the continental margin of the Siberian Platform (Khatanga–Lena interfluve) . Russian Geology and Geophysics 62 ( 8 ), 1153 – 1171 , doi: 10.2113...

.... , Kalinina , L.M. , Lapkovskii , V.V. , Lunev , B.L. , Moiseev , S.A. , Soloviev , M.V. , 2021 . Seismogeologic, structural, and tectonic characteristics of the continental margin of the Siberian Platform (Khatanga–Lena interfluve) . Russ. Geol. Geophys . 62 ( 8 ), 947 – 963 , doi...

... neighboring regions. Earlier, the heat flow in wells drilled in the Yenisei–Khatanga foredeep, the Anabar massif, and the western part of the Verkhoyansk–Kolyma folded area, i.e., west, south, and east of the Lena–Anabar interfluve, was measured mostly by the staff of the Permafrost Institute, Yakutsk...

.... , Sobolev , P.N. , Naidenov , L.F. , 2021 . Riphean–Palaeozoic series in the Khatanga–Lena interfluve: geological structure and petroleum potential . Geologiya Nefti i Gaza, No. 4 , 7 – 28 , doi: 10.31087/0016-7894-2021-4-7-28 . Mazitov , M.R. , Kachkin , A.A. , Skachek , K.G...

... Vilyui hemisyncline and base of Triassic strata inside it. 3 . Zones where Vendian terrigenous sediments pinch out ( a ) and are buried under younger sediments ( b ) in Lena–Tunguska province and where Triassic sediments crop out ( a ) and are buried under younger sediments ( b ) in Khatanga–Vilyui...

..., Laptev Sea and adjacent onshore area. 1 , Numbers of facies areas ( a ) and facies zones ( b ); Facies areas: I, Khatanga–Nizhnyaya Lena; II, New Siberian; III, Yana-Sugoi; IV, Chokurdakh; V, Laptev; Facies zones and subzones: 1, Olenek–Nizhnyaya Lena; 2, Kharaulakh; 3, North Verkhoyansk; 4, Yana-Omoloi...

...A.G. Konstantinov; E.S. Sobolev; A.V. Yadrenkin Abstract Studies of the paleontology and stratigraphy of the Triassic strata from the Lena–Olenek interfluve area and Kotelny Island have important implications for improving the accuracy of interregional and global correlations, refining the Boreal...

... on the tundra in the open ( Venglovskiy, 1962:291 ). The end-product of Chekanovskiy’s painstaking fieldwork is a remarkably detailed account of the geology and landforms of this rather heavily dissected interfluve between the Lena and the Olenek, a range of low mountains or hills that have subsequently been...

... 72,000 km 2 in the Anabar–Lena interfluve between the Anabar–Khatanga saddle in the west and the Verkhoyansk foldbelt in the east. It spreads to the Arctic shoreline in the north and as far as the northern slopes of the Sappyi and Olenek arches in the northern Anabar uplift in the south ( Kontorovich et...

... and on the Angara-Lena step (Vendian, Lower Cambrian). In the Vilyui center, naphthide generation gave rise to large gas accumulations in the Permian, Triassic, and, to a lesser extent, Lower Jurassic deposits; in the Yenisei-Khatanga center, to oil and gas accumulations in the Jurassic and Cretaceous deposits...

... of the Kheta and Khatanga Rivers and in the Khatanga–Anabar interfluve. The Begichev Formation (uppermost Albian– lower half of the Cenomanian) is made up of fine- and medium-grained light gray and yellow-gray sands and sandstones containing gravel, pebbles, and coal lenses and fragments. Intense...