Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results

This article presents new isotope-geochronological results for the granites of the Voznesensky ore district (southeastern part of the Khanka massif). The granites are associated with extensive rare-metal–fluorite, tin and tantalum mineralization. Despite the numerous published results of Rb–Sr, Sm–N...

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Autores principales:	Nailya G. Rizvanova, Antonina A. Alenicheva, Sergey G. Skublov, Sergey A. Sergeev, Dmitriy A. Lykhin
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	zircon fluorite cassiterite U–Pb geochronology SIMS SHRIMP ID-TIMS Mineralogy QE351-399.2
Acceso en línea:	https://doaj.org/article/3471863a975f4ccc9a17c67260d498c6
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spelling	oai:doaj.org-article:3471863a975f4ccc9a17c67260d498c62021-11-25T18:25:50ZEarly Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results10.3390/min111111542075-163Xhttps://doaj.org/article/3471863a975f4ccc9a17c67260d498c62021-10-01T00:00:00Zhttps://www.mdpi.com/2075-163X/11/11/1154https://doaj.org/toc/2075-163XThis article presents new isotope-geochronological results for the granites of the Voznesensky ore district (southeastern part of the Khanka massif). The granites are associated with extensive rare-metal–fluorite, tin and tantalum mineralization. Despite the numerous published results of Rb–Sr, Sm–Nd and U–Pb dating of ore-bearing granites and associated ores, the issues of age correlation and the genetic relationship of igneous rocks and mineralization remain unclear. U–Pb zircon SHRIMP dating reveals synchronous ages of 478 ± 4 Ma and 481 ± 7 Ma for two samples of biotite leucogranites as the age of magmatic crystallization of the Voznesensky granites. The composition of the studied zircon demonstrates the typical features of magmatic zircon and has the typical features of zircon exposed to fluids at the late/post-magmatic stage. Sm–Nd ID-TIMS dating of the fluorite of the Voznesenskoe deposit yields an age of 477 ± 9 Ma, and U–Pb ID-TIMS dating of cassiterite from the Yaroslavskoe and Chapaevskoe tin deposits yields an age of 480 ± 4 Ma, which confirms the direct genetic and age relationship of ore formation with granite magmatism.Nailya G. RizvanovaAntonina A. AlenichevaSergey G. SkublovSergey A. SergeevDmitriy A. LykhinMDPI AGarticlezirconfluoritecassiteriteU–Pb geochronologySIMS SHRIMPID-TIMSMineralogyQE351-399.2ENMinerals, Vol 11, Iss 1154, p 1154 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	zircon fluorite cassiterite U–Pb geochronology SIMS SHRIMP ID-TIMS Mineralogy QE351-399.2
spellingShingle	zircon fluorite cassiterite U–Pb geochronology SIMS SHRIMP ID-TIMS Mineralogy QE351-399.2 Nailya G. Rizvanova Antonina A. Alenicheva Sergey G. Skublov Sergey A. Sergeev Dmitriy A. Lykhin Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results
description	This article presents new isotope-geochronological results for the granites of the Voznesensky ore district (southeastern part of the Khanka massif). The granites are associated with extensive rare-metal–fluorite, tin and tantalum mineralization. Despite the numerous published results of Rb–Sr, Sm–Nd and U–Pb dating of ore-bearing granites and associated ores, the issues of age correlation and the genetic relationship of igneous rocks and mineralization remain unclear. U–Pb zircon SHRIMP dating reveals synchronous ages of 478 ± 4 Ma and 481 ± 7 Ma for two samples of biotite leucogranites as the age of magmatic crystallization of the Voznesensky granites. The composition of the studied zircon demonstrates the typical features of magmatic zircon and has the typical features of zircon exposed to fluids at the late/post-magmatic stage. Sm–Nd ID-TIMS dating of the fluorite of the Voznesenskoe deposit yields an age of 477 ± 9 Ma, and U–Pb ID-TIMS dating of cassiterite from the Yaroslavskoe and Chapaevskoe tin deposits yields an age of 480 ± 4 Ma, which confirms the direct genetic and age relationship of ore formation with granite magmatism.
format	article
author	Nailya G. Rizvanova Antonina A. Alenicheva Sergey G. Skublov Sergey A. Sergeev Dmitriy A. Lykhin
author_facet	Nailya G. Rizvanova Antonina A. Alenicheva Sergey G. Skublov Sergey A. Sergeev Dmitriy A. Lykhin
author_sort	Nailya G. Rizvanova
title	Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results
title_short	Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results
title_full	Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results
title_fullStr	Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results
title_full_unstemmed	Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results
title_sort	early ordovician age of fluorite-rare-metal deposits at the voznesensky ore district (far east, russia): evidence from zircon and cassiterite u–pb and fluorite sm–nd dating results
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/3471863a975f4ccc9a17c67260d498c6
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Early Ordovician Age of Fluorite-Rare-Metal Deposits at the Voznesensky Ore District (Far East, Russia): Evidence from Zircon and Cassiterite U–Pb and Fluorite Sm–Nd Dating Results

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