Research output: Contribution to journal › Article › peer-review
Middle Paleozoic Rhyolite of the Gorny and Rudny Altai : Geochronology and Composition. / Kuibida, M. L.; Timkin, V. I.; Krivchikov, V. A. et al.
In: Doklady Earth Sciences, Vol. 487, No. 2, 01.08.2019, p. 885-889.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Middle Paleozoic Rhyolite of the Gorny and Rudny Altai
T2 - Geochronology and Composition
AU - Kuibida, M. L.
AU - Timkin, V. I.
AU - Krivchikov, V. A.
AU - Murzin, O. V.
AU - Krupchatnikov, V. I.
AU - Popova, O. M.
AU - Kruk, N. N.
AU - Rudnev, S. N.
AU - Kuibida, Y. V.
AU - Shokal’sky, S. P.
AU - Gusev, N. I.
AU - Komiya, T.
AU - Aoki, S.
AU - Sun, M.
AU - Naryzhnova, A. V.
N1 - Publisher Copyright: © 2019, Pleiades Publishing, Ltd.
PY - 2019/8/1
Y1 - 2019/8/1
N2 - Abstract: The paper reports the results of geological, geochemical, and isotope–geochronological studies of subvolcanic rhyolites of NW Gorny Altai and Rudny Altai, which belong to the large Hercynian volcanic systems: Altai-Minusa and Altai–Salair, respectively. U–Pb zircon dating revealed two age groups: ~410–405 and 390–381 Ma. The isotope–geochemical characteristics of the rhyolites demonstrate high εNd(Т) from +2.6 to 6.0 with relatively young model ages T(DM) = 851–966 Ma in Rudny Altai and older model ages, up to 1266 Ma, in NW Gorny Altai. The rhyolites show transitional geochemical signatures between within-plate and island-arc felsic magmas. The results obtained are consistent with two-stage evolution of volcanism and its migration from the continent to the ocean.
AB - Abstract: The paper reports the results of geological, geochemical, and isotope–geochronological studies of subvolcanic rhyolites of NW Gorny Altai and Rudny Altai, which belong to the large Hercynian volcanic systems: Altai-Minusa and Altai–Salair, respectively. U–Pb zircon dating revealed two age groups: ~410–405 and 390–381 Ma. The isotope–geochemical characteristics of the rhyolites demonstrate high εNd(Т) from +2.6 to 6.0 with relatively young model ages T(DM) = 851–966 Ma in Rudny Altai and older model ages, up to 1266 Ma, in NW Gorny Altai. The rhyolites show transitional geochemical signatures between within-plate and island-arc felsic magmas. The results obtained are consistent with two-stage evolution of volcanism and its migration from the continent to the ocean.
KW - AGE
UR - http://www.scopus.com/inward/record.url?scp=85073242740&partnerID=8YFLogxK
U2 - 10.1134/S1028334X19080130
DO - 10.1134/S1028334X19080130
M3 - Article
AN - SCOPUS:85073242740
VL - 487
SP - 885
EP - 889
JO - Doklady Earth Sciences
JF - Doklady Earth Sciences
SN - 1028-334X
IS - 2
ER -
ID: 21858358