Search Results - "Larionova, Yu. O."

Geodynamics of a Breakup of Western Part of the Karelian Craton: Data on 2.1 Ga Mafic Magmatism by Samsonov, A. V., Stepanova, A. V., Salnikova, E. B., Larionova, Yu. O., Larionov, A. N.

“…Mafic intraplate magmatism is the main source of information about the geodynamics of processes that lead to the breakup of continental blocks. The article…”
Get full text

Age Limits for the Zaonega Formation of the Ludicovian Superhorizon and the Shunga Event in the Onega Basin: New U–Pb Zircon Data for the Konchezero Sill by Stepanova, A. V., Samsonov, A. V., Arzamastsev, A. A., Larionov, A. N., Larionova, Yu. O.

“…New U–Pb data for zircon from the Konchezero sill reliably determine the age of the Suisari Formation of the Ludicovian and the limit of the maximum age of the…”
Get full text

Sources of Cuprous Sulfide Mineralization and High-Ni Olivine of the Rudnaya Dyke (Imangda Cluster, Norilsk region): Based on Compositional, Isotope and Model Data by Brovchenko, V. D., Kirillina, I. A., Yudovskaya, M. A., Costin, G., Pshenitsyn, I. V., Kovalchuk, E. V., Larionova, Yu. O., Gritsenko, Yu. D., Ketrov, A. A., Sluzhenikin, S. F.

“…The Rudnaya dyke of the Imangda ore cluster is composed of weakly differentiated olivine-bearing to olivine gabbrodolerites with globular and interstitial…”
Get full text

Conditions and Magmas Sources of the Summit and Flank Eruptions of Klyuchevskoy Volcano in 2020–2021: Isotope (Sr–Nd–Pb–O)-geochemical data by Cherkashin, R. I., Bergal-Kuvikas, O. V., Chugaev, A. V., Larionova, Yu. O., Bindeman, I. N., Khomchanovsky, A. L., Plutakhina, E. Yu

“…In 2021, a unique event occurred on Klyuchevskoy volcano (Kamchatka). After over 30-year prevalence of summit eruptions, a flank vent was formed. It was named…”
Get full text

The Great Dyke of the Kola Peninsula as a Marker of an Archean Cratonization in the Northern Fennoscandian Shield by Stepanova, A. V., Samsonov, A. V., Salnikova, E. B., Egorova, S. V., Larionova, Yu. O., Arzamastsev, A. A., Larionov, A. N., Sukhanova, M. A., Veselovskiy, R. V.

“…The results of geochronological and petrological studies of the largest mafic dyke in the northern part of the Fennoscandian Shield, called the Great Dyke of…”
Get full text

The Volcanism Occurring during the Initial Phase of Formation of the Northern Subduction Segment in the Pacific Plate (Kamchatka Peninsula, Kumroch Range) by Tolstykh, M. L., Babansky, A. D., Smirnova, M. D., Pevzner, M. M., Lebedev, V. A., Larionova, Yu. O., Kushcheva, Yu. V., Parfenov, A. V.

“…The present paper reports a study of rocks in Mts. Baidara and Semkorok, which are situated in the northwestern flank of the Kumroch Range. The rocks are…”
Get full text

Neoarchean Granitoids in the Western Part of the Tunguska Superterrane, Basement of the Siberian Platform: Geochronology, Petrology, and Tectonic Significance by Samsonov, A. V., Postnikov, V. V., Spiridonov, V. A., Larionova, Yu. O., Larionov, A. N., Travin, A. V., Postnikova, O. V., Solovyeva, N. V., Sabirov, I. A., Spiridonov, I. V.

“…The paper presents data on the granitoids of the Yurubchen massif, which make up the basement of the Kamov arch, Baikit uplift in the western part of the…”
Get full text

2.4 Ga Mafic Dikes and Sills of Northern Fennoscandia: Petrology and Crustal Evolution by Erofeeva, K. G., Stepanova, A. V., Samsonov, A. V., Larionova, Yu. O., Egorova, S. V., Arzamastsev, A. A., Kovalchuk, E. V.

“…New petrographic, geochemical, and Sm-Nd isotopic data provide constraints on the petrogenesis of ca. 2400 Ma gabbronorite, picrodolerite and dolerite mafic…”
Get full text

Olivine and Clinopyroxene Phenocrysts as a Proxy for the Origin and Crustal Evolution of Primary Mantle Melts: a Case Study of 2.40 Ga Mafic Sills in the Kola–Norwegian Terrane, Northern Fennoscandia by Erofeeva, K. G., Samsonov, A. V., Stepanova, A. V., Larionova, Yu. O., Dubinina, E. O., Egorova, S. V., Arzamastsev, A. A., Kovalchuk, E. V., Abramova, V. D.

“…New petrographic, geochemical, and isotopic (Sr, Nd, and δ 18 О) data on olivine and pyroxene phenocrysts provide constraints on the composition and crustal…”
Get full text

Mafic Magmatism of Northeastern Fennoscandia (2.06–1.86 Ga): Geochemistry of Volcanic Rocks and Correlation with Dike Complexes by Arzamastsev, A. A., Stepanova, A. V., Samsonov, A. V., Skuf’in, P. K., Salnikova, E. B., Larionov, A. N., Larionova, Yu. O., Egorova, S. V., Erofeeva, K. G.

“…— The comprehensive geochemical and isotopic-geochronological study of Early Proterozoic volcanic rocks in structure of the Polmak–Pechenga–Imandra–Varzuga…”
Get full text

1860-Ma I-Shaped Mafic Sills in the Murmansk Craton, Eastern Fennoscandia: Petrology and Tectonic Setting of Within-plate Mafic Events during Nuna Assembly by Stepanova, A. V., Samsonov, A. V., Larionova, Yu. O., Egorova, S. V., Arzamastsev, A. A., Salnikova, E. B., Veselovskiy, R. V., Erofeeva, K. G., Stifeeva, M. V.

“…1860-Ma within-plate mafic rocks of the Eastern Murman Sill Province were studied in the northern part of the Murmansk Craton, where they compose sheet bodies…”
Get full text

2.5 Ga gabbro-anorthosites in the Belomorian Province, Fennoscandian Shield: Petrology and tectonic setting by Stepanova, A. V., Stepanov, V. S., Larionov, A. N., Azimov, P. Ya, Egorova, S. V., Larionova, Yu. O.

“…The Vorochistoozersky, Nizhnepopovsky, and Severo-Pezhostrovsky gabbro-anorthosite massifs have been studied in the central part of the Belomorian Province,…”
Get full text

Mesoproterozoic orangeites (Kimberlites II) of West Karelia: Mineralogy, geochemistry, and Sr-Nd isotope composition by Kargin, A. V., Nosova, A. A., Larionova, Yu. O., Kononova, V. A., Borisovsky, S. E., Koval’chuk, E. V., Griboedova, I. G.

“…Mineralogical and petrological-geochemical features of the Mesoproterozoic (1.23–1.20 Ga) alkaline ultrabasic rocks from the Kostomuksha-Taloveis (Russia) and…”
Get full text

Devonian volcanics in the Voronezh Crystalline Massif, East European Platform: Evolution of the melts and characteristics of crustal contamination by Yutkina, E. V., Nosova, A. A., Sazonova, L. V., Larionova, Yu. O., Kondrashov, I. A., Shumlyanskyy, L. V., Albekov, A. Yu, Savko, K. A.

“…The rift system of the Dnieper–Donets trough (DDT) is the largest magmatic area in the East European Platform. Basalts of the Voronezh Crystalline Massif (VCM)…”
Get full text

The 2405 Ma doleritic dykes in the Karelian Craton: A fragment of a Paleoproterozoic large igneous province by Stepanova, A. V., Salnikova, E. B., Samsonov, A. V., Larionova, Yu. O., Egorova, S. V., Savatenkov, V. M.

“…New data on the age and composition of doleritic dykes of the Karelian Craton on the Fennoscandian Shield are reported. Based on the results of U–Pb dating of…”
Get full text

Mg-ilmenite megacrysts from the Arkhangelsk kimberlites, Russia: Genesis and interaction with kimberlite melt and postkimberlite fluid by Golubkova, A. B., Nosova, A. A., Larionova, Yu. O.

“…In the present work we studied Mg-ilmenite megacrysts from the Arkhangelsk kimberlites (the Kepino kimberlite field and mantle xenoliths from the Grib pipe)…”
Get full text

Age and sources of matter for the Kedrovskoe gold deposit, Northern Transbaikal tegion, Republic of Buryatia: Geochronological and isotopic geochemical constraints by Chugaev, A. V., Plotinskaya, O. Yu, Chernyshev, I. V., Lebedev, V. A., Belogub, E. V., Goltsman, Yu. V., Larionova, Yu. O., Oleinikova, T. I.

“…The paper presents new geochronological and isotopic geochemical data on gold mineralization of the Kedrovskoe deposit. The deposit is located in the…”
Get full text

Paleoproterozoic A- and S-granites in the eastern Voronezh Crystalline Massif: Geochronology, petrogenesis, and tectonic setting of origin by Savko, K. A., Samsonov, A. V., Larionov, A. N., Larionova, Yu. O., Bazikov, N. S.

“…The eastern part of the Voronezh Crystalline Massif hosts coeval S- and A-granitoids. The biotite-muscovite S-granites contain elevated concentrations of Si,…”
Get full text

Early Permian stage of formation of gold-ore deposits of northeastern Transbaikalia: Isotope-geochronological (Rb-Sr and 39Ar-40Ar) data for the Uryakh ore field by Chugaev, A. V., Nosova, A. A., Abramov, S. S., Chernyshev, I. V., Bortnikov, N. S., Larionova, Yu. O., Goltsman, Yu. V., Moralev, G. V., Volfson, A. A.

“…This work presents the first results of geochronological study of metasomatic rocks accompanying gold-bearing quartz veins of the Uryakh ore field (UOF). Based…”
Get full text

Fluorite as an Sm–Nd geochronometer of hydrothermal processes: Dating of mineralization hosted in the Strel’tsovka uranium ore field, eastern Baikal region by Chernyshev, I. V., Golubev, V. N., Aleshin, A. P., Larionova, Yu. O., Gol’tsman, Yu. V.

“…The possibility of using hydrothermal fluorite as an Sm–Nd geochronometer is based on the results of an REE pattern study of this mineral (Chernyshev et al.,…”
Get full text