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Eselekh Formation

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Journal Article

Sr Isotope Chemostratigraphy and Pb–Pb Age of the Riphean Carbonate Deposits of the Kharaulakh Uplift (Northeastern Margin of the Siberian Platform)

B.B. Kochnev, A.B. Kuznetsov, D.R. Sitkina, A.Yu. Kramchaninov
Published: 01 March 2021
Russ. Geol. Geophys. (2021) 62 (03): 377–387.
DOI: https://doi.org/10.2113/RGG20194076
...B.B. Kochnev; A.B. Kuznetsov; D.R. Sitkina; A.Yu. Kramchaninov Abstract —The least altered limestones of the Ukta and Eselekh formations in the Precambrian section of the Kharaulakh uplift have a minimum 87 Sr/ 86 Sr ratio of 0.70673–0.70715. The lowest 87 Sr/ 86 Sr ratio of the overlying Neleger...
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207Pb/204Pb–206Pb/204Pb plot for carbonate rocks of the Eselekh Formation of the Kharaulakh uplift.

207 Pb/ 204 Pb– 206 Pb/ 204 Pb plot for carbonate rocks of the Eselekh Form...

Published: 01 March 2021
Fig. 4. 207 Pb/ 204 Pb– 206 Pb/ 204 Pb plot for carbonate rocks of the Eselekh Formation of the Kharaulakh uplift.
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Carbonates and sequences in the Sietachan (A, B) and Neleger (C–F) Formations, Kharaulkah Ranges. a, shallowing-upward sequences, fine laminated storm turbidites with shale interbeds deposited in distal shelf setting (below storm wave base) overlain by limestones with wave-ripple lamination (tempestites) deposited in mid-shelf setting (between fair weather and storm wave base), Middle Member of the Eselekh Formation; B, stromatolitic bioherm (colonella) in a horizontal section, Upper Member of the Eselekh Formation; C, oolitic lumpy intraclastic recrystallized and silicified dolostones with ripple marks deposited in proximal shelf setting (above fair weather wave base), lower Neleger Formation; D, recrystallized and silicified oolitic lumpy intraclastic dolostones with an erosion surface, lower Neleger Formation; E, shallowing-upward cycle, lenticular-bedded calcareous tempestites with shale inter beds deposited in mid-shelf setting overlain by lenticular-bedded tempestites deposited in proximal shelf setting, upper Neleger Formation; F, proximal shelf tempestites with large wave ripples, upper Neleger Formation.

Carbonates and sequences in the Sietachan ( A , B ) and Neleger ( C – F ) ...

Published: 01 May 2014
lamination (tempestites) deposited in mid-shelf setting (between fair weather and storm wave base), Middle Member of the Eselekh Formation; B , stromatolitic bioherm (colonella) in a horizontal section, Upper Member of the Eselekh Formation; C , oolitic lumpy intraclastic recrystallized and silicified
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Map of Riphean sections in the northeastern Siberian Platform (a); b, schematic geologic structure of the Chekurovka anticline of the Kharaulakh uplift, after State Geological Map, Scale of 1:200,000. a: 1, Kharaulakh uplift (see Fig. 2); 2, Olenek uplift; 3, Burskaya BH-341-0; 4, Khastakhskaya BH-930; b: 1, Ikta Formation; 2, Eselekh Formation; 3, Neleger Formation; 4, Sietachan Formation; 5, Kharayutekh Formation; 6, Phanerozoic deposits; 7, major faults; 8, studied sections.

Map of Riphean sections in the northeastern Siberian Platform ( a ); b, s...

Published: 01 March 2021
, Khastakhskaya BH-930; b : 1 , Ikta Formation; 2 , Eselekh Formation; 3 , Neleger Formation; 4 , Sietachan Formation; 5 , Kharayutekh Formation; 6 , Phanerozoic deposits; 7 , major faults; 8 , studied sections.
Journal Article

Sedimentology and isotope geochemistry of Riphean carbonates in the Kharaulakh Range of northern East Siberia

E.M. Khabarov, O.P. Izokh
Published: 01 May 2014
Russ. Geol. Geophys. (2014) 55 (5-6): 629–648.
DOI: https://doi.org/10.1016/j.rgg.2014.05.008
... lamination (tempestites) deposited in mid-shelf setting (between fair weather and storm wave base), Middle Member of the Eselekh Formation; B , stromatolitic bioherm (colonella) in a horizontal section, Upper Member of the Eselekh Formation; C , oolitic lumpy intraclastic recrystallized and silicified...
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View PDF for article title, Sedimentology and isotope geochemistry of Riphean carbonates in the Kharaulakh Range of northern East Siberia
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δ13Ccarb variations in the Eselekh (A) and Neleger (B) Formations of the Kharaulakh Range. 1, 2, limestones: 1, least altered; 2, altered; 3, 4, dolostones: 3, least altered; 4, altered. Legend: see Fig. 2.

δ 13 Ccarb variations in the Eselekh ( A ) and Neleger ( B ) Formations of ...

Published: 01 May 2014
Fig. 6. δ 13 Ccarb variations in the Eselekh ( A ) and Neleger ( B ) Formations of the Kharaulakh Range. 1 , 2 , limestones: 1 , least altered; 2 , altered; 3 , 4 , dolostones: 3 , least altered; 4 , altered. Legend: see Fig. 2 .
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Precambrian outcrops in the northeast Siberian Platform (A) and the schematic geological map of the Chekurovka Anticline of the Kharaulakh Range (B). 1–4, formations: 1, Ukta; 2, Eselekh; 3, Neleger and Sietachan; 4, Kharayutekh; 5, Phanerozoic strata; 6, studied section.

Precambrian outcrops in the northeast Siberian Platform ( A ) and the schem...

Published: 01 May 2014
Fig. 1. Precambrian outcrops in the northeast Siberian Platform ( A ) and the schematic geological map of the Chekurovka Anticline of the Kharaulakh Range ( B ). 1 – 4 , formations: 1 , Ukta; 2 , Eselekh; 3 , Neleger and Sietachan; 4 , Kharayutekh; 5 , Phanerozoic strata; 6 , studied
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87Sr/86Sr–Fe/Sr (a), 87Sr/86Sr–Mn/Sr (b), and 87Sr/86Sr–Sr (c) correlation diagrams. Dark symbols mark limestones, and light ones, dolomites of formations: 1, Ukta and Eselekh, 2, Neleger and Sietachan.

87 Sr/ 86 Sr–Fe/Sr ( a ), 87 Sr/ 86 Sr–Mn/Sr ( b ), and 87 Sr/ 86 Sr–Sr (...

Published: 01 March 2021
Fig. 3. 87 Sr/ 86 Sr–Fe/Sr ( a ), 87 Sr/ 86 Sr–Mn/Sr ( b ), and 87 Sr/ 86 Sr–Sr ( c ) correlation diagrams. Dark symbols mark limestones, and light ones, dolomites of formations: 1 , Ukta and Eselekh, 2 , Neleger and Sietachan.
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Correlations between δ13C values, Mn/Sr and Fe/Sr ratios, and δ18O values in limestones (A) and dolostones (B) of the Kharaulakh Range. a–f, Formations: a, d, Eselekh; b, e, Neleger; c, f, Sietachan; r—correlation coefficient. Arrows point to values fallen outside the diagrams.

Correlations between δ 13 C values, Mn/Sr and Fe/Sr ratios, and δ 18 O valu...

Published: 01 May 2014
Fig. 5. Correlations between δ 13 C values, Mn/Sr and Fe/Sr ratios, and δ 18 O values in limestones ( A ) and dolostones ( B ) of the Kharaulakh Range. a – f , Formations: a , d , Eselekh; b , e , Neleger; c , f , Sietachan; r —correlation coefficient. Arrows point to values fallen
Journal Article

A pelagic myodocopid ostracod from the Silurian of Arctic Russia

Vincent Perrier, Olga K. Bogolepova, Alexander P. Gubanov, David J. Siveter, Mark Williams
Published: 01 July 2014
Journal of Micropalaeontology (2015) 34 (1): 51–57.
DOI: https://doi.org/10.1144/jmpaleo2013-031
... ). Silurian strata are well exposed in the western part of the island ( Fig. 1b ). The Silurian rocks are up to 1050 m thick, consisting of carbonates and shales of the Urasin (Llandovery Series), Nikola (Wenlock-Ludlow Series) and Eselekh (Pridoli Series) formations ( Sobolevskaya, 1976 ). The Urasin...
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Journal Article

THE NEOPROTEROZOIC OF THE NORTHERN SIBERIAN CRATON

V.V. Khomentovsky
Published: 01 July 2006
Russ. Geol. Geophys. (2006) 47 (7): 865–880.
... that this sequence marks the beginning of the second rhythm of the Mayanian. This permits us to parallel the Ukta and Eselekh Formations with the Debengda, and the Neleger and Sietachan Formations, with the Khaipakh one. At present, this correlation is corroborated by logging data from Burskaya BH-3410 (on the slope...
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Journal Article

Tectonic evolution of the northern Verkhoyansk Fold-and-Thrust Belt: insights from palaeostress analysis and U–Pb calcite dating

Elena A Pavlovskaia, Andrey K Khudoley, Jonas B Ruh, Artem N Moskalenko, Marcel Guillong, Sergey V Malyshev
Published: 21 July 2022
Geological Magazine (2022) 159 (11-12): 2132–2156.
DOI: https://doi.org/10.1017/S0016756822000528
... of points in Figure  5 . Neoproterozoic rocks of the Chekurovka anticline belong to the Ukta (NPRuk), Eselekh (NPRes), Neleger (NPRnl) and Sietachan (NPRst) formations with a total thickness at 1800 m representing the first sedimentary succession of the Verkhoyansk FTB (Fig.  4...
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