31 Result(s)

Article

Trace Element Composition of Archean Detrital Zircons from Jatulian Terrigenous Rocks of Fennoscandia

Detrital zircons with an age of 3.65–3.87 Ga have been found earlier in Jatulian terrigenous rocks from the eastern Fennoscandian Shield, i.e., the Karelian and Kola regions (Kozhevnikov et al., 2010; Smol’kin...

V. F. Smolkin, S. G. Skublov, V. R. Vetrin in Geology of Ore Deposits (2021)

Article

The Lu–Hf Isotope Composition of Zircon from Syenites of the Saharjok Alkaline Massif, Kola Peninsula

Zircon crystals from the alkaline and nepheline syenites of the Saharjok massif, which were formed during the magmatic (2645 ± 7 Ma), hydrothermal (1832 ± 7 Ma), and metamorphic (1784 ± 22 Ma) crystallization ...

V. R. Vetrin, E. A. Belousova in Geology of Ore Deposits (2020)

Article

Lu–Hf Isotope-Geochemical Zircon Systematics and Genesis of the Neoarchean Alkaline Granites in the Keivy Megablock, Kola Peninsula

Abstract—Alkaline and subalkaline granites of the Keivy megablock belong to the potassic alkali-calcic ferroan rocks enriched in large-ion lithophile, high-field strength and rare-earth elements. Based on these c...

V. R. Vetrin, A. A. Kremenetsky in Geochemistry International (2020)

Article

Isotopic-Geochemical Systematics (Sm–Nd, Lu–Hf) of Neoarchean Subalkaline and Alkaline Rocks of the Keivy Structure (Kola Peninsula): Their Age and Genetic Relations

The Neoarchean subalkaline magmatism of the Keivy structure is expressed in the formation of the volcanoplutonic latite–monzonite–granite association (LMGA). The formation of LMGA magmas is assumed to occur du...

V. R. Vetrin in Geology of Ore Deposits (2019)

Article

Parental Melts of Neoarchean Subalkaline Magmatic Rocks of the Keivy Structure (Kola Peninsula)

The Neoarchean subalkaline magmatism of the Keivy structure is manifested by the emplacement of the latite–monzonite–granite (LMG) volcano-plutonic association. The measured ¹⁴³Nd/¹⁴⁴Nd ratio in rocks is 0.511061...

V. R. Vetrin in Doklady Earth Sciences (2019)

Article

Lu–Hf Isotopic Systematics of Zircon From Lower Crustal Xenoliths in the Belomorian Mobile Belt

The structure, geochemistry, and U–Pb and Lu–Hf isotopic composition of zircon crystals from garnet granulite xenoliths of the lower crust in the Belomorian mobile belt have been studied. It has been establish...

V. R. Vetrin, E. A. Belousova, A. A. Kremenetsky in Geology of Ore Deposits (2018)

Article

Sites and Origin of Noble Gases in Minerals: A Case Study of Amphibole from Alkaline Granitoids of the Kola Peninsula

The paper presents newly acquired data on the budget and mobility of isotopes of noble gases in samples of amphibole, a mineral commonly characterized by relatively high He concentrations compared to other roc...

M. A. Gannibal, I. N. Tolstikhin, A. B. Verchovsky… in Geochemistry International (2018)

Article

Trace elements in various genetic types of zircon from syenite of the Sakharjok massif, Kola Peninsula

Zircon is an accessory mineral in alkali and nepheline syenites of the Neoarchean Sakharjok intrusion. Zircon in association with britholite and pyrochlore forms orebodies in nepheline syenite of this massif. ...

V. R. Vetrin, S. G. Skublov in Geology of Ore Deposits (2016)

Article

Trace element composition and Lu-Hf isotope systematics of zircon from plagiogneisses of the Kola superdeep well: Contribution of a Paleoarchean crust in Mesoarchean metavolcanic rocks

Zircons have been studied in three samples of Archean plagiogneisses from the Kola superdeep well (SG-3). The crystals consist of cores, magmatic shells, and metamorphic rims. The cores and shells are characte...

V. R. Vetrin, E. A. Belousova, V. P. Chupin in Geochemistry International (2016)

Article

Sources and evolution of initial melts of Archean “Gray gneisses”: Trace-element composition and Lu-Hf isotope systematics of zircon from plagiogneisses of the Kola superdeep well and the surrounding area

V. R. Vetrin, E. A. Belousova, V. P. Chupin in Doklady Earth Sciences (2015)

Article

Time of formation and genesis of yttrium-zirconium mineralization in the Sakharjok massif, Kola Peninsula

The Kola geotectonic province in the northeastern Fennoscandian Shield accommodates a significant number of alkaline rock massifs differing in age. They are of mantle and mantle-crustal origin (alkali and neph...

V. R. Vetrin, S. G. Skublov, Yu. A. Balashov, L. M. Lyalina… in Geology of Ore Deposits (2014)

Article

Residence sites and origin of noble gases in minerals as exemplified by ilmenite from the alkaline granites of the Kola Peninsula

Thermal analysis of helium release from ilmenite of alkaline granites (Ponoy Massif, Kola Peninsula) and extraction of gases by crushing, melting and vacuum stepwise heating of sample revealed that this mineral c...

I. N. Tolstikhin, V. I. Skiba, A. Yu. Sevost’yanov… in Geochemistry International (2014)

Article

The model of the depth variations in the properties and state of the rocks in the upper, middle, and lower continental crust of the Kola-Norwegian block, Kola Peninsula

Based on the experimental and calculated data, the model of depth variations in density, as well as the velocities of longitudinal (P) and transverse (S) waves, within the upper, middle, and lower crusts of the K...

F. F. Gorbatsevich, V. R. Vetrin, O. M. Trishina… in Izvestiya, Physics of the Solid Earth (2014)

Article

Duration of the formation and sources of the granitoids of the Litsk-Araguba Complex, Kola Peninsula

Postorogenic granitoids of the Litsk-Araguba Complex compose a chain of intrusive bodies around 850 km² in area, which are confined to the NE-trending deep-seated fault zone. Results of U-Pb zircon dating indicat...

V. R. Vetrin in Geochemistry International (2014)

Article

Age, Sm-Nd systematics, and geochemistry of tonalite-trondhjemite-granodiorite gneisses of the northern part of the Baltic Shield

V. R. Vetrin, N. V. Rodionov, P. A. Serov in Doklady Earth Sciences (2013)

Article

Duration of the formation and sources of matter for post-orogenic granitoids of the Litsa-Araguba Complex, Kola Peninsula

V. R. Vetrin, P. A. Serov in Doklady Earth Sciences (2012)

Article

Archean rock homologs in the Kola superdeep borehole section in the northern part of the White Sea mobile belt, Voche-Lambina test site

The Archean Complex homologs of the Kola superdeep borehole (SG-3) were identified in the northern part of the White Sea mobile belt. Tonalite-trondhjemite-granodiorite gneisses of the Voche-Lambina test site ...

L. N. Morozova, F. P. Mitrofanov, T. B. Bayanova, V. R. Vetrin… in Doklady Earth Sciences (2012)

Article

Elastic-anisotropic properties of garnet granulites from the lower crust of the belomorian mobile belt: Results of experimental study

The elastic-anisotropic properties of fifteen samples of garnet granulites from xenoliths in the diatreme on Elovyi Island, in Kandalaksha Bay in the White Sea are investigated. The PT-conditions of the formation...

F. F. Gorbatsevich, V. R. Vetrin, O. M. Trishina… in Izvestiya, Physics of the Solid Earth (2012)

Article

Sources of terrigenous material in formation of metasedimentary rocks of the archean complex cored by the Kola superdeep borehole

The basement of the Paleoproterozoic Pechenga structure was cored by the Kola superdeep borehole SD-3 at the depths of 6842–12 262 m. It consists mainly of alternating strata of metavolcanic daciteplagiorhyoda...

V. R. Vetrin, V. P. Chupin, Yu. N. Yakovlev in Doklady Earth Sciences (2011)

Article

Deep structure and crustal growth of the northeastern Baltic shield

V. R. Vetrin in Geochemistry International (2011)