Jean‐Louis Paquette, Dmitri A. Ionov, A. M. Agashev, Abdelmouhcine Gannoun, Е. И. Николенко,
The Anabar shield in northern Siberia is one of the world’s least studied Precambrian areas, and provides a ‘ ... mantle (DM). Thus, the crustal basement of the Anabar shield, and probably the whole central and northern ... and may be the oldest ‘nucleus’ of the Anabar shield, whereas the Kilegur unit of the same ... occur in the Ambardakh unit of the Upper Anabar series. Our data suggest alternation of areas with ... no evidence for significant ages differences for the Anabar and Olenek provinces. The final amalgamation of the ...
Tópico(s): earthquake and tectonic studies
2017 - Elsevier BV | Precambrian Research
... traverse NE–SW across the Archean Magan and Anabar provinces and into the Proterozoic Olenek Province. 4100 ... characterised the Devonian lithosphere beneath the Magan and Anabar crustal provinces. The Devonian geotherm beneath the northern ... ca. 240 km beneath the Archean Magan and Anabar provinces, but was less (150–180 km) beneath ... and geophysical data (extended from outcrops in the Anabar Shield) represent major lithospheric sutures, which continue through ... and depleted lherzolitic garnets beneath the Magan and Anabar provinces is concordant with their Archean surface geology. ...
Tópico(s): Geological and Geochemical Analysis
1982 - Elsevier BV | Earth-Science Reviews
S. I. Kostrovitsky, S. Yu. Skuzovatov, D. A. Yakovlev, Jing Sun, Lutz Nasdala, Fu‐Yuan Wu,
... craton) and several kimberlite fields of the eastern Anabar shield, along with data compilation on the age ... terranes (the latter hosting kimberlites of the eastern Anabar shield) supports the Paleoproterozoic assembly and stabilization of ... to west (Magan and Daldyn terranes of the Anabar shield). The present study has also revealed the oldest known remnant of the Anabar shield crust, whose 3.62 Ga age is ... shield. The first Hf isotope data for the Anabar shield coupled with the U–Pb systematics indicate ...
Tópico(s): High-pressure geophysics and materials
2016 - Elsevier BV | Gondwana Research
William L. Griffin, C.G. Ryan, Felix V. Kaminsky, Suzanne Y. O’Reilly, L. M. Natapov, Tin Tin Win, P. D. Kinny, I. P. Ilupin,
... traverse NE–SW across the Archean Magan and Anabar provinces and into the Proterozoic Olenek Province. 4100 ... characterised the Devonian lithosphere beneath the Magan and Anabar crustal provinces. The Devonian geotherm beneath the northern ... ca. 240 km beneath the Archean Magan and Anabar provinces, but was less (150–180 km) beneath ... and geophysical data (extended from outcrops in the Anabar Shield) represent major lithospheric sutures, which continue through ... and depleted lherzolitic garnets beneath the Magan and Anabar provinces is concordant with their Archean surface geology. ...
Tópico(s): High-pressure geophysics and materials
1999 - Elsevier BV | Tectonophysics
Д. П. Гладкочуб, Т. V. Donskaya, Sergei Pisarevsky, Richard E. Ernst, Ulf Söderlund, A. B. Kotov, В. П. Ковач, A. V. Okrugin,
... dolerites (Aldan shield, south-eastern Siberia) and East Anabar dolerites (Anabar shield, northern Siberia) are 1757 ± 4 and 1774 ± ... to sub-alkaline basaltic andesites, but the East Anabar dolerite is chemically close to basaltic trachyandesite. The ... mixing of mantle and crustal material. The East Anabar dolerites are characterized by a negative ɛNd(t) ... of TiO2 and P2O5. The 1775 Ma East Anabar dolerites could be generated from a subcontinental lithospheric ...
Tópico(s): earthquake and tectonic studies
2022 - Elsevier BV | Precambrian Research
In the 2.7 Ga old Anabar Granulitic Complex and the 1.96 Ga old Lamuyka Complex, the chemical compositions of the most abundant rocks have been investigated. In ... relationship to the average upper crust, the Archaean Anabar Granulite Complex contains more Fet, Mg, Ni, Co, ... to be characteristic of old granulitic domains. The Anabar Shield, which occupies an area of 50 000 ...
Tópico(s): High-pressure geophysics and materials
1989 - Elsevier BV | Precambrian Research
Т. V. Donskaya, Д. П. Гладкочуб, Sergei Pisarevsky, U. Poller, А. М. Мазукабзов, T. B. Bayanova,
The Akitkan orogenic belt separates the Aldan and Anabar superterranes of the Siberian craton and was previously ... developed along the active margin of the Archaean Anabar superterrane at 2.1–2.0 Ga. Alternatively ... a distal origin and were accreted to the Anabar superterrane. These accretional processes were followed by a major collision of the Aldan and Anabar superterranes at ∼1.9 Ga finalised by post- ...
Tópico(s): earthquake and tectonic studies
2009 - Elsevier BV | Precambrian Research
Konstantin Nagovitsin, Vladimir I. Rogov, Vasiliy V. Marusin, G. A. Karlova, A. V. Kolesnikov, Natalia Bykova, Dmitriy Grazhdankin,
... Neoproterozoic (pre-glacial) sedimentary succession of the Lena-Anabar Basin, northeast Siberian Platform, records protracted faulting and ... the overlying upper Ediacaran succession in the Lena-Anabar Basin, with the Terreneuvian strata most likely to ... the Precambrian and Terreneuvian strata of the Lena-Anabar Basin and the adjacent north-western slope of ...
Tópico(s): Geological and Geochemical Analysis
2015 - Elsevier BV | Precambrian Research
Artem Kouchinsky, Stefan Bengtson, Ed Landing, Michael Steiner, Michael J. Vendrasco, K. Ziegler,
... on the western and eastern flanks of the Anabar Uplift of the northern Siberian Platform.The skeletal ... carbon isotope data facilitate correlation both across the Anabar Uplift and with the Terreneuvian Series of the ... isotope excursion Iʹ from western flank of the Anabar Uplift.Correlation across the Siberian Platform of the ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2017 - Institute of Paleobiology | Acta Palaeontologica Polonica
B.L. Nikitenko, E.B. Pestchevitskaya, S.N. Khafaeva,
... shallow-water deposits from the Olenek key section (Anabar-Lena region, Arctic Siberia) were studied by sedimentological, ... regional implications providing well-constrained biostratigraphy of the Anabar-Lena region. Several levels important for interregional correlations ... palaeoenvironmental reconstructions for the marginal area of the Anabar-Lena palaeosea and coastal land areas.
Tópico(s): Methane Hydrates and Related Phenomena
2018 - Elsevier BV | Revue de Micropaléontologie
Kent C. Condie, Matthew Wilks, D.M. Rosen, V. L. Zlobin,
The Precambrian Hapschan Series in the Anabar Shield in northern Siberia is composed of garnet paragneisses (pelitic graywackes), marbles, calciphyres, and calc-silicate rocks (carbonates and carbonate-rich clastic ... high-grade rocks of the Daldyn and Upper Anabar Series from which a zircon U ion probe ...
Tópico(s): Paleontology and Stratigraphy of Fossils
1991 - Elsevier BV | Precambrian Research
... the basement of the Siberian craton constitute Tungus–Anabar and Aldan domains of similar composition, sinistrally offset ... are discovered to date only in the Tungus–Anabar domain. The seismic data show that the Central Horde in the Tungus–Anabar domain has a lithospheric keel, extending to a ...
Tópico(s): Geological Studies and Exploration
2008 - Elsevier BV | Ore Geology Reviews
В. Е. Павлов, V. Bachtadse, В. О. Михайлов,
... rotations occurred in early Palaeozoic times between the Anabar–Angara and Aldan blocks is still a matter ... in declinations of ~ 20° between the Aldan and Anabar–Angara blocks. This argues in favor of a ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2008 - Elsevier BV | Earth and Planetary Science Letters
Alan J. Kaufman, Andrew H. Knoll, М. А. Семихатов, J. P. Grotzinger, S. B. Jacobsen, William A. Adams,
Abstract Carbonate-rich sedimentary rocks of the western Anabar region, northern Siberia, preserve an exceptional record of ... than thirty metres of section in the western Anabar. Carbon- and Sr-isotopic data on petrographically and ...
Tópico(s): Paleontology and Stratigraphy of Fossils
1996 - Cambridge University Press | Geological Magazine
Richard E. Ernst, Kenneth L. Buchan, Michael A. Hamilton, A. V. Okrugin, М. Д. Томшин,
... geochronologic study of Precambrian diabase dikes in the Anabar Shield and adjacent Riphean cover of Siberia. It ... geological criteria. However, because paleomagnetic results from the Anabar Shield region do not average out secular variation ...
Tópico(s): High-pressure geophysics and materials
2000 - University of Chicago Press | The Journal of Geology
Andrew H. Knoll, Alan J. Kaufman, М. А. Семихатов, J. P. Grotzinger, William A. Adams,
Sedimentary rocks in the western Anabar region, northwestern Siberia, preserve an exceptional record of evolution and biogeochemical events near the Proterozoic-Cambrian boundary. Carbon isotopic data on ... 2 m intervals support correlation of the lower Anabar succession (Staraya Reckha and lower Manykai Formations) with ... by the sub-Tommotian unconformity. Correlation of the Anabar section with other northern Siberian successions that contain ...
Tópico(s): Geological and Geophysical Studies
1995 - Geological Society of America | Geology
David A.D. Evans, R.V. Veselovsky, P. Yu. Petrov, A. V. Shatsillo, В. Е. Павлов,
... sedimentary rocks and mafic intrusions of the northwestern Anabar uplift in northern Siberia. Combining these results with ... two blocks (Euler parameters 77°, 098°, 137° for Anabar to North America) spanning the interval 1.7– ...
Tópico(s): High-pressure geophysics and materials
2016 - Elsevier BV | Precambrian Research
V. S. Shatsky, V. G. Malkovets, Елена Белоусова, Irina G. Tretiakova, William L. Griffin, A.L. Ragozin, Qin Wang, А. А. Гибшер, Suzanne Y. O’Reilly,
... to present views, the crustal terranes of the Anabar province of the Siberian craton were initially independent ... 0–1.95 Ga occurred everywhere on the Anabar tectonic province, and could reflect the upwelling of ...
Tópico(s): earthquake and tectonic studies
2017 - Elsevier BV | Precambrian Research
V.А. Kashirtsev, B.L. Nikitenko, E.B. Peshchevitskaya, E.A. Fursenko,
... Oxfordian–Lower Valanginian interval of the Nordvik section (Anabar Bay) allows the definition of three geochemical horizons ( ... within the Mesozoic strata of the present-day Anabar Bay. At the same time, our results and ...
Tópico(s): Marine and environmental studies
2018 - Elsevier BV | Russian Geology and Geophysics
V. S. Shatsky, Q. Wang, S. Yu. Skuzovatov, A.L. Ragozin,
To clarify the tectonic-thermal evolution of the Anabar tectonic province in the central Siberian Craton, we ... instead of age-stratified, the crust of the Anabar tectonic province consists of variably reworked Paleoarchean rocks ...
Tópico(s): earthquake and tectonic studies
2019 - Elsevier BV | Precambrian Research
... or pidschian Coregonus lavaretus pidschian Gmelin of the Anabar River (North-West Yakutia) has been done to ... of whitefish. At present the phylogenetic lineages in Anabar River are presented by sympatric ecological forms of ... relationships of ecological forms of whitefish dwelling the Anabar River with other populations of the species in ... discussed. Conclusions. A genetic heterogeneity of whitefish from Anabar River should be taken into account while creating ...
Tópico(s): Ecology and biodiversity studies
2017 - | Ecological genetics
A. V. Okrugin, Boris Gerasimov,
... gold) of unknown origin are widespread in the Anabar River basin on the northeastern part of the ... gold–platinum mineral association from placers of the Anabar river is close to precious metals from placers ... the formation of gold–porphyry deposits. Within the Anabar diamond-bearing region, according to modern geophysical data, ... assume that the buried parent rocks of the Anabar Au–Pt placers may be located in both ...
Tópico(s): Geological Studies and Exploration
2023 - Multidisciplinary Digital Publishing Institute | Minerals
B.L. Nikitenko, V. P. Devyatov, E.B. Pestchevitskaya, A.Yu. Popov, E.A. Fursenko, S.N. Khafaeva,
... Cretaceous, exposed on the right bank of the Anabar River, have radically changed many times. The performed ... the stratigraphic continuity of the section in the Anabar River region, despite the reduced thickness of the ...
Tópico(s): Methane Hydrates and Related Phenomena
2022 - Elsevier BV | Russian Geology and Geophysics
Boris Gerasimov, V. I. Beryozkin, A. A. Kravchenko,
... materials, including gold. The gold potential of the Anabar shield in the territory of Siberia has, thus ... of the Billyakh tectonic mélange zone in the Anabar shield and to compare them to mineralization from ... of paleo-Proterozoic para- and orthogneisses in the Anabar shield basement. A comparison of mineral inclusions in ...
Tópico(s): Geological Studies and Exploration
2020 - Multidisciplinary Digital Publishing Institute | Minerals
Д. П. Гладкочуб, Sergei Pisarevsky, Т. V. Donskaya, Richard E. Ernst, M.T.D. Wingate, Ulf Söderlund, А. М. Мазукабзов, Е. V. Sklyarov, Michael A. Hamilton, J. A. Hanes,
... of multiple mafic magmatic events in North Siberia (Anabar shield and Olenek uplift) between ∼1600 and 1000 ... for NW-trending dykes in the Aldan and Anabar shields, together with similar-age NNE-trending Baikal ...
Tópico(s): Geochemistry and Geologic Mapping
2010 - Elsevier BV | Precambrian Research
Vladimir E. Fedosov, Elena A. Ignatova, Michael S. Ignatov, Anatoly I. Maksimov,
A preliminaty list of mosses of Anabar Plateau and nearby areas (70-73°N and 100-111°E) includes 520 species.Rare species are highlighted and briefly discussed.With ...
Tópico(s): Lichen and fungal ecology
2011 - KMK Scientific Press Ltd. | Arctoa
Larisa Frolova, Larisa Nazarova, Luidmila A. Pestryakova, Ulrike Herzschuh,
... temperature gradient crossing the tree line in the Anabar-river basin in northwestern Yakutia, northeastern Siberia. The ... the cladoceran communities in the lakes of the Anabar region are diverse and abundant, as reflected by ...
Tópico(s): Diatoms and Algae Research
2014 - Springer Science+Business Media | Journal of Paleolimnology
E.V. Airiyants, С. М. Жмодик, P. O. Ivanov, D. K. Belyanin, L.V. Agafonov,
... of the Mayat-Vodorazdel’nyi site in the Anabar River basin. Platinum occurs there as Fe–Pt ...
Tópico(s): Mineralogy and Gemology Studies
2014 - Elsevier BV | Russian Geology and Geophysics
Romy Zibulski, Ulrike Herzschuh, Luidmila A. Pestryakova, Juliane Wolter, S. Müller, N. Schilling, Sebastian Wetterich, Lutz Schirrmeister, Fang Tian,
... on the eastern floodplain area of the lower Anabar River (72.070° N, 113.921° E; northern ...
Tópico(s): Peatlands and Wetlands Ecology
2013 - Copernicus Publications | Biogeosciences
B.L. Nikitenko, Б. Н. Шурыгин, V. G. Knyazev, С. В. Меледина, O. S. Dzyuba, N. К. Lebedeva, E.B. Peshchevitskaya, L. A. Glinskikh, A. A. Goryacheva, S.N. Khafaeva,
... integrated studies of Mesozoic reference sections of the Anabar area (northern Middle Siberia, Laptev Sea coast) and ...
Tópico(s): Hydrocarbon exploration and reservoir analysis
2013 - Elsevier BV | Russian Geology and Geophysics