Yu. V. Plotkina
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View article: The oldest island-arc granitoids of Chingiz-Tarbagatay region (Eastern Kazakhstan): age substantiation and сomposition affinities
The oldest island-arc granitoids of Chingiz-Tarbagatay region (Eastern Kazakhstan): age substantiation and сomposition affinities Open
The oldest granitoids of Kan-Сhingiz complex in Chingiz-Tarbagatay region of Eastern Kazakhstan, composed of quartz diorites, granodiorites, plagiogranites and granites, are first dated. U-Pb (ID-TIMS and SIMS) geochronological study of gr…
View article: Neoproterozoic volcanosedimentary and plutonic complexes of Northern Ulutau (Central Kazakhstan)
Neoproterozoic volcanosedimentary and plutonic complexes of Northern Ulutau (Central Kazakhstan) Open
The article presents the results of studying and substantiating the age of Late Precambrian volcanogenic sedimentary and plutonic complexes of the northern part of the Ulutau terrane (Northern Ulutau) in the west of Central Kazakhstan. The…
View article: Age and sources of melts of metavolcanic rocks of the Djagdagle formation of the northwestern part of the Bureya continental massif, Central Asian Orogenic Belt
Age and sources of melts of metavolcanic rocks of the Djagdagle formation of the northwestern part of the Bureya continental massif, Central Asian Orogenic Belt Open
The paper presents the results of U–Pb (ID-TIMS) geochronologic, geochemical, Sm–Nd isotopic-geochemical studies of metavolcanic rocks of the Djagdagle formation, which are among the key elements in the structure of the Bureya continental …
View article: Age and origin of subalkaline magmatic series of the Khibiny-Lovozero complex
Age and origin of subalkaline magmatic series of the Khibiny-Lovozero complex Open
Results of the study of miaskite syenites of the Lovozersky massif, pulaskites of the Khibiny massif and rocks of the larvikite-lardalite series of the Khibiny massif, as well as subalkaline volcanics preserved as remnants in their roof ar…
View article: Age of the Kodar group of the western part of the Kodar-Udokan trough (Aldan shield): results of the U-Th-Pb (LA-ICP-MS) geochronological studies
Age of the Kodar group of the western part of the Kodar-Udokan trough (Aldan shield): results of the U-Th-Pb (LA-ICP-MS) geochronological studies Open
The paper presents results of U-Th-Pb (LA-ICP-MS) geochronological studies of detrital zircons from metagreywacke of the Kodar Group of the Udokan Complex of the Aldan Shield. It has been established that the terrigenous deposits of the Ko…
View article: Age and tectonic setting of the Bambukoy tin-bearing volcano-plutonic assemblage (Barguzin–Vitim superterrane of the Central Asian orogenic belt)
Age and tectonic setting of the Bambukoy tin-bearing volcano-plutonic assemblage (Barguzin–Vitim superterrane of the Central Asian orogenic belt) Open
Geochemical, geochronological (U–Pb zircons, ID-TIMS) and isotope-geochemical (Sm–Nd) studies of the rocks of the Bambukoy volcano-plutonic association, which form the Zhanok-Bambukoy volcano-tectonic structure within the Anamakit–Muya ter…
View article: Comprehensive analysis of the elemental composition and surface relief of titanium abutments from contemporary manufactures
Comprehensive analysis of the elemental composition and surface relief of titanium abutments from contemporary manufactures Open
Relevance. The transgingival part of the prosthetic components of implant systems is a substrate for the primary adaptation of soft tissues and the formation of the gingiva collar a complex of tissues acting as a biological barrier and ens…
View article: Erratum to: Age and Tectonic Setting of the Kopri-Type Granitoids at the Junction Zone of the Dzhugdzhur–Stanovoi and Western Stanovoi Superterranes of the Central Asian Fold Belt
Erratum to: Age and Tectonic Setting of the Kopri-Type Granitoids at the Junction Zone of the Dzhugdzhur–Stanovoi and Western Stanovoi Superterranes of the Central Asian Fold Belt Open
An Erratum to this paper has been published: https://doi.org/10.1134/S1028334X2305015X
View article: Erratum to: U–Pb Age of Detrital Zircon in the Cement of Early Precambrian Polymict Conglomerates of the Central Karelia Domain, Karelian Province, Fennoscandian Shield
Erratum to: U–Pb Age of Detrital Zircon in the Cement of Early Precambrian Polymict Conglomerates of the Central Karelia Domain, Karelian Province, Fennoscandian Shield Open
An Erratum to this paper has been published: https://doi.org/10.1134/S1028334X23050094
View article: Sources of the Paleoproterozoic Terrigenous Rocks of the Nizhnekhani Graben-Syncline, Western Part of the Aldan Shield, According to the U–Th–Pb (LA-ICP-MS) Geochronological and Nd Isotopic Studies: To the Question of Correlation of the Udokan Complex Deposits
Sources of the Paleoproterozoic Terrigenous Rocks of the Nizhnekhani Graben-Syncline, Western Part of the Aldan Shield, According to the U–Th–Pb (LA-ICP-MS) Geochronological and Nd Isotopic Studies: To the Question of Correlation of the Udokan Complex Deposits Open
The results of U–Th–Pb (LA-ICP-MS) geochronological studies of detrital zircon and Sm–Nd isotopic studies of metaterrigenous rocks of the Udokan Complex of the Nizhnekhani graben-syncline in the western part of the Aldan Shield are discuss…
View article: Mineral chemistry and in-situ U-Pb geochronology of altered pegmatite from the vicinity of the Strashimir Pb-Zn vein deposit
Mineral chemistry and in-situ U-Pb geochronology of altered pegmatite from the vicinity of the Strashimir Pb-Zn vein deposit Open
The current study presents new mineralogical, geochemical and geochronological data for a pegmatite body hosted in gneisses and marbles from the vicinity of the Strashimir Pb-Zn vein deposit, Madan ore district, South Bulgaria. The mineral…
View article: U–Pb Age of Detrital Zircon in the Cement of Early Precambrian Polymict Conglomerates of the Central Karelia Domain, Karelian Province, Fennoscandian Shield
U–Pb Age of Detrital Zircon in the Cement of Early Precambrian Polymict Conglomerates of the Central Karelia Domain, Karelian Province, Fennoscandian Shield Open
U–Th–Pb LA-ICP-MS was used for dating detrital zircon extracted from the cement of Neoarchean and Paleoproterozoic polymict conglomerates of the Karelian Province, Fennoscandian Shield. The chemical composition of terrigenous and volcanoge…
View article: Age and Tectonic Setting of the Kopri-Type Granitoids at the Junction Zone of the Dzhugdzhur–Stanovoi and Western Stanovoi Superterranes of the Central Asian Fold Belt
Age and Tectonic Setting of the Kopri-Type Granitoids at the Junction Zone of the Dzhugdzhur–Stanovoi and Western Stanovoi Superterranes of the Central Asian Fold Belt Open
Geochemical, geochronological (U–Pb on zircons, ID TIMS), and isotope–geochemical (Sm–Nd) studies of Kopri-type granitoids of the Tukuringra Complex have been carried out. The granitoids are located exclusively in the zone of the Dzheltula…
View article: Morphological structure and composition of an odontoma removed from a 7-year-old child: a clinical case
Morphological structure and composition of an odontoma removed from a 7-year-old child: a clinical case Open
Relevance. An odontoma is a benign odontogenic tumour that consists of dental tissue elements. Diagnosis and differential diagnosis of odontomas is complicated enough for their high heterogeneity and significant morphological inhomogeneity…
View article: Timing of pegmatite emplacement and skarn formation in the Malyovitsa Unit, NW Rila: evidence from zonal grossular crystals
Timing of pegmatite emplacement and skarn formation in the Malyovitsa Unit, NW Rila: evidence from zonal grossular crystals Open
Contact Ca-skarns are formed in the marbles of the Malyovitsa Lithotectonic Unit as a result of emplacement of crosscutting pegmatite injections in the area of the Dzhendemski Ezera, NW Rila Mt. Large (up to 4 cm), well-shaped garnet cryst…
View article: Stages of Formation of the South Altai Metamorphic Belt (Central Asia)
Stages of Formation of the South Altai Metamorphic Belt (Central Asia) Open
—The Hercynian mobile belts in Central Asia include the proper Hercynian and late Hercynian (Indo-Sinian) belts, whose formation is associated with the evolution of the South and Inner Mongolian basins with oceanic crust. Within the South …
View article: Eclogite-like rocks from Southern Pirin Mountains – preliminary results about petrology and time of formation
Eclogite-like rocks from Southern Pirin Mountains – preliminary results about petrology and time of formation Open
North-northeast of the village of Ilinden (Southern Pirin Mnt.) three eclogite boudins were separated on the geological map in scale 1:50 000 (Sarov, 2010). The rocks belong to the Slasten lithotectonic unit. The mineral assemblage and min…
View article: U-Pb (ID-TIMS) Geochronological Studies of High-Uranium Metamict Zircons: New Opportunities of Familiar Approaches
U-Pb (ID-TIMS) Geochronological Studies of High-Uranium Metamict Zircons: New Opportunities of Familiar Approaches Open
The possibility of the application of high-uranium self-irradiation-damaged metamict zircon for U-Pb geochronological studies (ID-TIMS) after preliminary high-temperature annealing and acid treatment was demonstrated using zircon from the …
View article: Distribution of Microfossils in the Vendian Deposits of the Orsha Depression of the East European Platform, Belarus
Distribution of Microfossils in the Vendian Deposits of the Orsha Depression of the East European Platform, Belarus Open
— The complete sections of the Lower and Upper Vendian of the East European Platform were opened in the boreholes of Belarus. This allows us to consider this region as a stratotype area. In order to update the paleontological characteristi…
View article: Age of the Early Paleozoic granitoid magmatismin the central part of the Bureya continental massif, Central Asian Fold Belt
Age of the Early Paleozoic granitoid magmatismin the central part of the Bureya continental massif, Central Asian Fold Belt Open
The article presents new age data on the ‘key’ Early Paleozoic igneous complexes located in the central part of the Bureya continental massif of the Central Asian Fold Belt. Porphyroblastic quartz monzonites of the Kivili complex are dated…
View article: Early Cambrian age and crustal source of granitoids of the Goryachinsky pluton (North Baikal area): geodynamic implications
Early Cambrian age and crustal source of granitoids of the Goryachinsky pluton (North Baikal area): geodynamic implications Open
The article presents the results of U-Pb in zircon and Nd-isotope study of the adakite granites of the Goryachinsky pluton, exposed along the Baikal coast in the section of termination of the package of shear tectonic plates of the Baikal-…
View article: Sources and provenances for the Late Cenozoic sands of the Olhon Island (Baikal rift zone)
Sources and provenances for the Late Cenozoic sands of the Olhon Island (Baikal rift zone) Open
U–Th–Pb geochronological (LA-ICP-MS) stady the detritе zircons from the Late Cainozoic sands of the Olkhon island (the Baikal rift zone) were performed. It is shown that the early Paleozoic magmatic and metamorphic complexes of the Olkhon …
View article: Tectonic position of the neoproterozoic gabbro-hyperbasite and gabbroid complexes of the Bayannur block of the Songino ledge, Central Asian orogenic belt
Tectonic position of the neoproterozoic gabbro-hyperbasite and gabbroid complexes of the Bayannur block of the Songino ledge, Central Asian orogenic belt Open
The Early Caledonian folded region of the southern framing of the Siberian platform between Dzavkhan and Tuva-Mongolian terranes contains blocks of Songino ledge crystalline rocks. In the Bayannur block of the southern part of the Songino …
View article: Tectonic position of the Early Neoproterozoic–Early Paleozoic metamorphic belts within the Tuva–Mongolian terrane of the Central Asian Orogenic Belt
Tectonic position of the Early Neoproterozoic–Early Paleozoic metamorphic belts within the Tuva–Mongolian terrane of the Central Asian Orogenic Belt Open
The Tuva–Mongolian terrane (TMT) of the Central Asian Orogenic Belt is a composite structure with a Vendian–Cambrian terrigenous-carbonate cover. The formation of the northern part of TMT is marked by the granitoids of the Sumsunur Complex…
View article: Ages and nature of the protolith of the Tulovchikha metamorphic complex in the Bureya Massif, Central Asian Orogenic Belt, Russia: Evidence from U–Th–Pb, Lu–Hf, Sm–Nd, and 40Ar/39Ar data
Ages and nature of the protolith of the Tulovchikha metamorphic complex in the Bureya Massif, Central Asian Orogenic Belt, Russia: Evidence from U–Th–Pb, Lu–Hf, Sm–Nd, and 40Ar/39Ar data Open
The Bureya Massif is located in the eastern segment of the Central Asian Orogenic Belt (CAOB) and its tectonic affinity and Precambrian evolution is highly controversial. Here we present mineralogical, whole-rock geochemical (major and tra…
View article: Duration and geodynamic nature of giant Central Asian batholiths: geological and geochronological studies of the Khangai batholith
Duration and geodynamic nature of giant Central Asian batholiths: geological and geochronological studies of the Khangai batholith Open
In the Late Paleozoic and Early Mesozoic, during about 100 m.y., the world’s three largest batholiths (Angara-Vitim, Khangai, and Khentei, each up to 1 000 000 km3 in volume) had formed within the limits of the Central Asian orogenic belt.…