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15. Specifics of the eclogite-facies metamorphism in the Precambrian

By
Michael V. Mints
Michael V. Mints
Geological Institute, Russian Academy of Sciences (RAS), 7 Pyzhevsky Lane, Moscow, 119017, Russia
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Published:
May 01, 2015

In Chapter 2, we showed that the eclogite-facies metamorphism within the Mesoarchean–Neoarchean Belomorian eclogite province can be correlated with “hot” subduction. However, was such a thermal regime specific to the Archean? Comparison of pressure-temperature-time paths and data for peak metamorphic parameters demonstrates the general similarity of the Archean and Paleoproterozoic eclogites worldwide and their association with anomalously “hot” environments. In contrast, Phanerozoic high- and ultrahigh-pressure eclogite complexes formed in connection with “warm” subduction zones. The high-temperature character of the eclogite-facies metamorphism in the Proterozoic is impossible to explain through a distinctively anomalous thermal regime, as is often suggested for the Archean mantle. The occurrence of high-temperature conditions during eclogite-facies metamorphism can be attributed to either subduction of a mid-ocean ridge (Archean, Belomorian eclogite province) or to interaction with mantle plumes (Proterozoic).

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GSA Special Papers

East European Craton: Early Precambrian History and 3D Models of Deep Crustal Structure

Michael V. Mints
Michael V. Mints
Geological Institute, Russian Academy of Sciences (RAS), 7 Pyzhevsky Lane, Moscow, 119017, Russia
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Ksenia A. Dokukina
Ksenia A. Dokukina
Geological Institute, Russian Academy of Sciences (RAS), 7 Pyzhevsky Lane, Moscow, 119017, Russia, and Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, 119991, Russia
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Alexander N. Konilov
Alexander N. Konilov
Geological Institute, Russian Academy of Sciences (RAS), 7 Pyzhevsky Lane, Moscow, 119017, Russia, and Institute of Experimental Mineralogy, Russian Academy of Sciences (RAS), Chernogolovka, Moscow Region, 142432, Russia
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Irina B. Philippova
Irina B. Philippova
Geological Institute, Russian Academy of Sciences (RAS), 7 Pyzhevsky Lane, Moscow, 119017, Russia
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Valery L. Zlobin
Valery L. Zlobin
Geological Institute, Russian Academy of Sciences (RAS), 7 Pyzhevsky Lane, Moscow, 119017, Russia
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Pavel S. Babayants
Pavel S. Babayants
Aerogeophysica Inc., 38/A b.15, 2-nd Khutorskaya Str., Off. 201, Moscow, 127287, Russia
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Elena A. Belousova
Elena A. Belousova
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia
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Yury I. Blokh
Yury I. Blokh
Aerogeophysica Inc., 38/A b.15, 2-nd Khutorskaya Str., Off. 201, Moscow, 127287, Russia
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Maria M. Bogina
Maria M. Bogina
Institute of Ore Geology, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences (RAS), 35 Staromonetny Lane, Moscow, 119017, Russia
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William A. Bush
William A. Bush
Aerogeophysica Inc., 38/A b.15, 2-nd Khutorskaya Str., Off. 201, Moscow, 127287, Russia
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Peter A. Dokukin
Peter A. Dokukin
Peoples' Friendship University of Russia, 6 Miklukho-Maklaya Str., Moscow, 117198, Russia
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Tatiana V. Kaulina
Tatiana V. Kaulina
Geological Institute, Kola Science Centre RAS, 14 Fersman Str., Apatity, Murmansk Region, 184209, Russia
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Lev M. Natapov
Lev M. Natapov
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia
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Valentina B. Piip
Valentina B. Piip
Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, 119991, Russia
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Vladimir M. Stupak
Vladimir M. Stupak
Branch of the Open Stock Company ?All-Russian Scientific and Research Institute of Geophysical Exploration???Spetsgeofizika,? Settlement Povarovo, 12 Povarovka, Moscow Region, 141540, Russia
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Arsen K. Suleimanov
Arsen K. Suleimanov
Branch of the Open Stock Company ?All-Russian Scientific and Research Institute of Geophysical Exploration???Spetsgeofizika,? Settlement Povarovo, 12 Povarovka, Moscow Region, 141540, Russia
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Alexey A. Trusov
Alexey A. Trusov
Aerogeophysica Inc., 38/A b.15, 2-nd Khutorskaya Str., Off. 201, Moscow, 127287, Russia
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Konstantin V. Van
Konstantin V. Van
Institute of Experimental Mineralogy, Russian Academy of Sciences (RAS), Chernogolovka, Moscow Region, 142432, Russia
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Nadezhda G. Zamozhniaya
Nadezhda G. Zamozhniaya
Branch of the Open Stock Company ?All-Russian Scientific and Research Institute of Geophysical Exploration???Spetsgeofizika,? Settlement Povarovo, 12 Povarovka, Moscow Region, 141540, Russia
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Geological Society of America
Volume
510
ISBN print:
9780813725109
Publication date:
May 01, 2015

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