Research output: Contribution to journal › Article › peer-review
Geochronology of Alkaline Rocks from the Burpala Massif (northern Pribaikalye): New U-Pb Data. / Izbrodin, I. A.; Doroshkevich, A. G.; Malyutina, A. V. et al.
In: Geodynamics and Tectonophysics, Vol. 15, No. 1, 0741, 2024.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Geochronology of Alkaline Rocks from the Burpala Massif (northern Pribaikalye): New U-Pb Data
AU - Izbrodin, I. A.
AU - Doroshkevich, A. G.
AU - Malyutina, A. V.
AU - Semenova, D. V.
AU - Radomskaya, T. A.
AU - Kruk, M. N.
AU - Prokopyev, I. R.
AU - Starikova, A. E.
AU - Rampilov, M. O.
N1 - The geological study of the area was performed as part of the state assignments of IGM SB RAS (122041400241-眂I and GIN SB RAS (АААА-А 球?-猃球猃爃猃猃甃笃爃爃爃琁琂I, the study of composition and age of rocks was funded by the RSF, project 22-17-00078.
PY - 2024
Y1 - 2024
N2 - Geochronological studies have been made on the main types of rocks from the Burpala alkaline massif and two gabbro and gabbro-diorite dikes located nearby. U-Pb LA-SF-ICP-MS zircon geochronology for the Burpala massif yielded a date of 294±2 Ma for gabbro crystallization, 607±4 Ma for diorite crystallization, 298±2 and 296±2 Ma for melanocratic alkaline and nepheline syenite crustallization, 291±2 and 293±3 for quartz and quartz-containing syenite crystallization, and 293±3 Ma for alkaline granite crystallization. The stage of formation of the massif rocks (298–291 Ma) coincides with the formation period of alkaline rocks from the Synnyr pluton and some alkaline complexes of the Vitim segment of Transbaikalia and confirms a widespread occurrence of post-collisional alkaline magmatism in Western Transbaikalia.
AB - Geochronological studies have been made on the main types of rocks from the Burpala alkaline massif and two gabbro and gabbro-diorite dikes located nearby. U-Pb LA-SF-ICP-MS zircon geochronology for the Burpala massif yielded a date of 294±2 Ma for gabbro crystallization, 607±4 Ma for diorite crystallization, 298±2 and 296±2 Ma for melanocratic alkaline and nepheline syenite crustallization, 291±2 and 293±3 for quartz and quartz-containing syenite crystallization, and 293±3 Ma for alkaline granite crystallization. The stage of formation of the massif rocks (298–291 Ma) coincides with the formation period of alkaline rocks from the Synnyr pluton and some alkaline complexes of the Vitim segment of Transbaikalia and confirms a widespread occurrence of post-collisional alkaline magmatism in Western Transbaikalia.
KW - Burpala massif
KW - Northern Pribaikalye
KW - U-Pb age
KW - diorite
KW - gabbro
KW - nepheline and alkaline syenites
UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85186389763&origin=inward&txGid=823ce0d8037292d2cd9df6d72c2a3aa1
UR - https://www.mendeley.com/catalogue/75b2e5db-6987-3221-bbd2-3228c2108ec8/
U2 - 10.5800/GT-2024-15-1-0741
DO - 10.5800/GT-2024-15-1-0741
M3 - Article
VL - 15
JO - Geodynamics and Tectonophysics
JF - Geodynamics and Tectonophysics
SN - 2078-502X
IS - 1
M1 - 0741
ER -
ID: 60463638