Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation
The Cretaceous granitoid complexes of the Eastern Taigonos and the Prybrezhny Taigonos belts (southern part of the Taigonos Peninsula), Tanyurer pluton of the Okhotsk-Chukotka volcanic belt, and the Peekiney, Moltykan, and Telekay plutons of the Chaun tectonic zone are discussed in relation to their...
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Copernicus Publications
2009
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00029887 2023-05-15T15:54:52+02:00 Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation Tikhomirov, P. L. Luchitskaya, M. V. Kravchenko-Berezhnoy, I. R. 2009-09 electronic https://doi.org/10.5194/smsps-4-289-2009 https://noa.gwlb.de/receive/cop_mods_00029887 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00029841/smsps-4-289-2009.pdf https://smsps.copernicus.org/articles/4/289/2009/smsps-4-289-2009.pdf eng eng Copernicus Publications Stephan Mueller Special Publication Series -- http://www.stephan-mueller-special-publication-series.net/ -- http://www.bibliothek.uni-regensburg.de/ezeit/?2525489 -- 1868-4564 https://doi.org/10.5194/smsps-4-289-2009 https://noa.gwlb.de/receive/cop_mods_00029887 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00029841/smsps-4-289-2009.pdf https://smsps.copernicus.org/articles/4/289/2009/smsps-4-289-2009.pdf https://open-access.net/ uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2009 ftnonlinearchiv https://doi.org/10.5194/smsps-4-289-2009 2022-02-08T22:47:30Z The Cretaceous granitoid complexes of the Eastern Taigonos and the Prybrezhny Taigonos belts (southern part of the Taigonos Peninsula), Tanyurer pluton of the Okhotsk-Chukotka volcanic belt, and the Peekiney, Moltykan, and Telekay plutons of the Chaun tectonic zone are discussed in relation to their structural position, petrography, rock and mineral chemistry and physicochemical conditions of melt crystallization. These granitoid plutons were generated through melting of a compositionally heterogeneous crustal source, with direct contribution from mafic melts produced in the mantle wedge above active or extinct Benioff zones. Variations of the trace-element composition of granitoids are controlled to a greater extent by local compositional peculiarities of the source regions than by the geodynamic regime as such. The final crystallization of these plutons occurred at comparatively shallow depths, between 1–2 and 6–7 km, in a temperature interval of 700–770°C. The depth of emplacement of the bodies decreases with increasing distance from the areas with oceanic and transitional type crust, as does the degree of incompatible element enrichment of the mantle and crustal sources of melts. Variations in fo2 values at the late stages of crystallization of the plutons reach 3–4 orders of magnitude, exceeding the limits of the quartz-fayalite-magnetite (QFM) and nickel-nickel oxide (NNO) buffer equilibria, which likely results from local variations of the source composition. Article in Journal/Newspaper Chukotka Niedersächsisches Online-Archiv NOA Chaun ENVELOPE(170.711,170.711,68.804,68.804) Okhotsk Tanyurer ENVELOPE(174.319,174.319,64.735,64.735) Stephan Mueller Special Publication Series 4 289 311 |
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Niedersächsisches Online-Archiv NOA |
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article Verlagsveröffentlichung Tikhomirov, P. L. Luchitskaya, M. V. Kravchenko-Berezhnoy, I. R. Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
topic_facet |
article Verlagsveröffentlichung |
description |
The Cretaceous granitoid complexes of the Eastern Taigonos and the Prybrezhny Taigonos belts (southern part of the Taigonos Peninsula), Tanyurer pluton of the Okhotsk-Chukotka volcanic belt, and the Peekiney, Moltykan, and Telekay plutons of the Chaun tectonic zone are discussed in relation to their structural position, petrography, rock and mineral chemistry and physicochemical conditions of melt crystallization. These granitoid plutons were generated through melting of a compositionally heterogeneous crustal source, with direct contribution from mafic melts produced in the mantle wedge above active or extinct Benioff zones. Variations of the trace-element composition of granitoids are controlled to a greater extent by local compositional peculiarities of the source regions than by the geodynamic regime as such. The final crystallization of these plutons occurred at comparatively shallow depths, between 1–2 and 6–7 km, in a temperature interval of 700–770°C. The depth of emplacement of the bodies decreases with increasing distance from the areas with oceanic and transitional type crust, as does the degree of incompatible element enrichment of the mantle and crustal sources of melts. Variations in fo2 values at the late stages of crystallization of the plutons reach 3–4 orders of magnitude, exceeding the limits of the quartz-fayalite-magnetite (QFM) and nickel-nickel oxide (NNO) buffer equilibria, which likely results from local variations of the source composition. |
format |
Article in Journal/Newspaper |
author |
Tikhomirov, P. L. Luchitskaya, M. V. Kravchenko-Berezhnoy, I. R. |
author_facet |
Tikhomirov, P. L. Luchitskaya, M. V. Kravchenko-Berezhnoy, I. R. |
author_sort |
Tikhomirov, P. L. |
title |
Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
title_short |
Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
title_full |
Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
title_fullStr |
Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
title_full_unstemmed |
Comparison of Cretaceous granitoids of the Chaun tectonic zone to those of the Taigonos Peninsula, NE Asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
title_sort |
comparison of cretaceous granitoids of the chaun tectonic zone to those of the taigonos peninsula, ne asia: rock chemistry, composition of rock forming minerals, and conditions of formation |
publisher |
Copernicus Publications |
publishDate |
2009 |
url |
https://doi.org/10.5194/smsps-4-289-2009 https://noa.gwlb.de/receive/cop_mods_00029887 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00029841/smsps-4-289-2009.pdf https://smsps.copernicus.org/articles/4/289/2009/smsps-4-289-2009.pdf |
long_lat |
ENVELOPE(170.711,170.711,68.804,68.804) ENVELOPE(174.319,174.319,64.735,64.735) |
geographic |
Chaun Okhotsk Tanyurer |
geographic_facet |
Chaun Okhotsk Tanyurer |
genre |
Chukotka |
genre_facet |
Chukotka |
op_relation |
Stephan Mueller Special Publication Series -- http://www.stephan-mueller-special-publication-series.net/ -- http://www.bibliothek.uni-regensburg.de/ezeit/?2525489 -- 1868-4564 https://doi.org/10.5194/smsps-4-289-2009 https://noa.gwlb.de/receive/cop_mods_00029887 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00029841/smsps-4-289-2009.pdf https://smsps.copernicus.org/articles/4/289/2009/smsps-4-289-2009.pdf |
op_rights |
https://open-access.net/ uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/smsps-4-289-2009 |
container_title |
Stephan Mueller Special Publication Series |
container_volume |
4 |
container_start_page |
289 |
op_container_end_page |
311 |
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1766390109186293760 |