The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting

A new Wenlockian zircon U–Pb age (~426 Ma) of the Overmaraat-Gol nepheline syenite (foyaite, juvite) pluton in the SW Lake Hovsgol area (Northern Mongolia) prompts a long history of alkaline magmatism in the western Central Asian Orogenic Belt, exceeding the duration of the Devonian and Pe...
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Autor*in:	Vassily V. Vrublevskii [verfasserIn] Igor F. Gertner [verfasserIn] Richard E. Ernst [verfasserIn] Andrey E. Izokh [verfasserIn] Andrey V. Vishnevskii [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	alkaline magmatism geochemistry U–Pb isotope geochronology plume–lithosphere interaction Northern Mongolia Central Asian Orogenic Belt

Übergeordnetes Werk:	In: Minerals - MDPI AG, 2012, 9(2019), 3, p 170
Übergeordnetes Werk:	volume:9 ; year:2019 ; number:3, p 170

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/min9030170

Katalog-ID:	DOAJ068426623

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callnumber-first	Q - Science
author	Vassily V. Vrublevskii
spellingShingle	Vassily V. Vrublevskii misc QE351-399.2 misc alkaline magmatism misc geochemistry misc U–Pb isotope geochronology misc plume–lithosphere interaction misc Northern Mongolia misc Central Asian Orogenic Belt misc Mineralogy The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting
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topic_title	QE351-399.2 The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting alkaline magmatism geochemistry U–Pb isotope geochronology plume–lithosphere interaction Northern Mongolia Central Asian Orogenic Belt
topic	misc QE351-399.2 misc alkaline magmatism misc geochemistry misc U–Pb isotope geochronology misc plume–lithosphere interaction misc Northern Mongolia misc Central Asian Orogenic Belt misc Mineralogy
topic_unstemmed	misc QE351-399.2 misc alkaline magmatism misc geochemistry misc U–Pb isotope geochronology misc plume–lithosphere interaction misc Northern Mongolia misc Central Asian Orogenic Belt misc Mineralogy
topic_browse	misc QE351-399.2 misc alkaline magmatism misc geochemistry misc U–Pb isotope geochronology misc plume–lithosphere interaction misc Northern Mongolia misc Central Asian Orogenic Belt misc Mineralogy
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title	The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting
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title_full	The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting
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author_browse	Vassily V. Vrublevskii Igor F. Gertner Richard E. Ernst Andrey E. Izokh Andrey V. Vishnevskii
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title_sort	overmaraat-gol alkaline pluton in northern mongolia: u–pb age and preliminary implications for magma sources and tectonic setting
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title_auth	The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting
abstract	A new Wenlockian zircon U–Pb age (~426 Ma) of the Overmaraat-Gol nepheline syenite (foyaite, juvite) pluton in the SW Lake Hovsgol area (Northern Mongolia) prompts a long history of alkaline magmatism in the western Central Asian Orogenic Belt, exceeding the duration of the Devonian and Permian–Triassic events. The LILE and HFSE patterns of pluton samples analyzed by X-ray fluorescence (XRF) and inductively coupled plasma (ICP-MS) methods indicate intrusion in a complex tectonic setting during interaction of a mantle plume with accretionary-collisional complexes that previously formed on the active continental margin. As a result, the parent magma had a heterogeneous source with mixed mantle (PREMA and EM) and crustal components. This source composition is consistent with Nd–Sr isotope ratios of the Overmaraat-Gol alkaline rocks, from -0.1 to -1.2 εNd(t) and from ~0.706 to 0.707 87Sr/86Sr(t).
abstractGer	A new Wenlockian zircon U–Pb age (~426 Ma) of the Overmaraat-Gol nepheline syenite (foyaite, juvite) pluton in the SW Lake Hovsgol area (Northern Mongolia) prompts a long history of alkaline magmatism in the western Central Asian Orogenic Belt, exceeding the duration of the Devonian and Permian–Triassic events. The LILE and HFSE patterns of pluton samples analyzed by X-ray fluorescence (XRF) and inductively coupled plasma (ICP-MS) methods indicate intrusion in a complex tectonic setting during interaction of a mantle plume with accretionary-collisional complexes that previously formed on the active continental margin. As a result, the parent magma had a heterogeneous source with mixed mantle (PREMA and EM) and crustal components. This source composition is consistent with Nd–Sr isotope ratios of the Overmaraat-Gol alkaline rocks, from -0.1 to -1.2 εNd(t) and from ~0.706 to 0.707 87Sr/86Sr(t).
abstract_unstemmed	A new Wenlockian zircon U–Pb age (~426 Ma) of the Overmaraat-Gol nepheline syenite (foyaite, juvite) pluton in the SW Lake Hovsgol area (Northern Mongolia) prompts a long history of alkaline magmatism in the western Central Asian Orogenic Belt, exceeding the duration of the Devonian and Permian–Triassic events. The LILE and HFSE patterns of pluton samples analyzed by X-ray fluorescence (XRF) and inductively coupled plasma (ICP-MS) methods indicate intrusion in a complex tectonic setting during interaction of a mantle plume with accretionary-collisional complexes that previously formed on the active continental margin. As a result, the parent magma had a heterogeneous source with mixed mantle (PREMA and EM) and crustal components. This source composition is consistent with Nd–Sr isotope ratios of the Overmaraat-Gol alkaline rocks, from -0.1 to -1.2 εNd(t) and from ~0.706 to 0.707 87Sr/86Sr(t).
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title_short	The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting
url	https://doi.org/10.3390/min9030170 https://doaj.org/article/d302354b14a54648bfcf05463a9b9188 http://www.mdpi.com/2075-163X/9/3/170 https://doaj.org/toc/2075-163X
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The Overmaraat-Gol Alkaline Pluton in Northern Mongolia: U–Pb Age and Preliminary Implications for Magma Sources and Tectonic Setting

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