First Data on the Age (U–Pb, SHRIMP-II) and Composition of Zircon from the Unique Yarega Oil–Titanium Deposit, South Timan

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First Data on the Age (U–Pb, SHRIMP-II) and Composition of Zircon from the Unique Yarega Oil–Titanium Deposit, South Timan. / Krasotkina, A. O.; Skublov, S. G.; Kuznetsov, A. B.; Makeyev, A. B.; Astafjev, B. Yu; Voinova, O. A.

In: Doklady Earth Sciences, Vol. 495, No. 2, 12.2020, p. 872-879.

Research output: Contribution to journal › Article › peer-review

Author

Krasotkina, A. O. ; Skublov, S. G. ; Kuznetsov, A. B. ; Makeyev, A. B. ; Astafjev, B. Yu ; Voinova, O. A. / First Data on the Age (U–Pb, SHRIMP-II) and Composition of Zircon from the Unique Yarega Oil–Titanium Deposit, South Timan. In: Doklady Earth Sciences. 2020 ; Vol. 495, No. 2. pp. 872-879.

BibTeX

@article{7783115b582e4c2293889561efce769a,

title = "First Data on the Age (U–Pb, SHRIMP-II) and Composition of Zircon from the Unique Yarega Oil–Titanium Deposit, South Timan",

abstract = "Abstract: Isotope–geochemical study of zircon from leucoxene–quartz sandstone of the Yarega deposit in South Timan was conducted for the first time using the Sensitive High-Resolution Ion Microprobe II (SHRIMP), Secondary Ion Mass Spectrometer (SIMS) technique. Two groups of zircons were established. The first group has signs of hydrothermal processing with a high content of Light Rare Earth Elements (LREEs), Y, Ca, Sr, and other nonformula elements. Zircon that had been hydrothermal altered from titanium deposits of Middle Timan (Pizhma and Ichet{\textquoteright}yu) is characterized by similar geochemical features. The second group of zircons has signs of magmatic genesis, including enrichment in Heavy Rare Earth Elements (HREEs), a positive Ce-anomaly, and a negative Eu-anomaly. The concordant ages of magmatic zircon grains lie in the range of 1100–2100 Ma with maxima around 1230 and 1540 Ma. The age of the magmatic zircon grains indicates the predominance of detrital material in sandstones, which was received during erosion of the ancient Mesoproterozoic basement, and excludes the participation of clastic material from the Timan–Ural folded region.",

keywords = "geochronology, South Timan, titanium deposits, U–Pb method, Yarega deposit, zircon",

author = "Krasotkina, {A. O.} and Skublov, {S. G.} and Kuznetsov, {A. B.} and Makeyev, {A. B.} and Astafjev, {B. Yu} and Voinova, {O. A.}",

year = "2020",

month = dec,

doi = "10.1134/S1028334X20120065",

language = "English",

volume = "495",

pages = "872--879",

journal = "Doklady Earth Sciences",

issn = "1028-334X",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "2",

}

RIS

TY - JOUR

T1 - First Data on the Age (U–Pb, SHRIMP-II) and Composition of Zircon from the Unique Yarega Oil–Titanium Deposit, South Timan

AU - Krasotkina, A. O.

AU - Skublov, S. G.

AU - Kuznetsov, A. B.

AU - Makeyev, A. B.

AU - Astafjev, B. Yu

AU - Voinova, O. A.

PY - 2020/12

Y1 - 2020/12

N2 - Abstract: Isotope–geochemical study of zircon from leucoxene–quartz sandstone of the Yarega deposit in South Timan was conducted for the first time using the Sensitive High-Resolution Ion Microprobe II (SHRIMP), Secondary Ion Mass Spectrometer (SIMS) technique. Two groups of zircons were established. The first group has signs of hydrothermal processing with a high content of Light Rare Earth Elements (LREEs), Y, Ca, Sr, and other nonformula elements. Zircon that had been hydrothermal altered from titanium deposits of Middle Timan (Pizhma and Ichet’yu) is characterized by similar geochemical features. The second group of zircons has signs of magmatic genesis, including enrichment in Heavy Rare Earth Elements (HREEs), a positive Ce-anomaly, and a negative Eu-anomaly. The concordant ages of magmatic zircon grains lie in the range of 1100–2100 Ma with maxima around 1230 and 1540 Ma. The age of the magmatic zircon grains indicates the predominance of detrital material in sandstones, which was received during erosion of the ancient Mesoproterozoic basement, and excludes the participation of clastic material from the Timan–Ural folded region.

AB - Abstract: Isotope–geochemical study of zircon from leucoxene–quartz sandstone of the Yarega deposit in South Timan was conducted for the first time using the Sensitive High-Resolution Ion Microprobe II (SHRIMP), Secondary Ion Mass Spectrometer (SIMS) technique. Two groups of zircons were established. The first group has signs of hydrothermal processing with a high content of Light Rare Earth Elements (LREEs), Y, Ca, Sr, and other nonformula elements. Zircon that had been hydrothermal altered from titanium deposits of Middle Timan (Pizhma and Ichet’yu) is characterized by similar geochemical features. The second group of zircons has signs of magmatic genesis, including enrichment in Heavy Rare Earth Elements (HREEs), a positive Ce-anomaly, and a negative Eu-anomaly. The concordant ages of magmatic zircon grains lie in the range of 1100–2100 Ma with maxima around 1230 and 1540 Ma. The age of the magmatic zircon grains indicates the predominance of detrital material in sandstones, which was received during erosion of the ancient Mesoproterozoic basement, and excludes the participation of clastic material from the Timan–Ural folded region.

KW - geochronology

KW - South Timan

KW - titanium deposits

KW - U–Pb method

KW - Yarega deposit

KW - zircon

UR - http://www.scopus.com/inward/record.url?scp=85100140073&partnerID=8YFLogxK

U2 - 10.1134/S1028334X20120065

DO - 10.1134/S1028334X20120065

M3 - Article

AN - SCOPUS:85100140073

VL - 495

SP - 872

EP - 879

JO - Doklady Earth Sciences

JF - Doklady Earth Sciences

SN - 1028-334X

IS - 2

ER -

ID: 75948840