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Archean protoliths within early Proterozoic granulitic crust of the West European Hercynian Belt; possible relics of the West African Craton
Two major events of crustal growth and high-grade metamorphism were suggested by U-Pb and Sm-Nd studies of four granulites from the Bay of Biscay, Spain. The first is Archaean (2700 m.y.) and the second, early Proterozoic (1900 m.y.). The 2700 m.y. orthogneiss protolith age from this area is the fir...
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| Published in: | Geology (Boulder) 1989-03, Vol.17 (3), p.241-244 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 244 |
| container_issue | 3 |
| container_start_page | 241 |
| container_title | Geology (Boulder) |
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| creator | Guerrot, C Peucat, J. J Capdevila, R Dosso, L |
| description | Two major events of crustal growth and high-grade metamorphism were suggested by U-Pb and Sm-Nd studies of four granulites from the Bay of Biscay, Spain. The first is Archaean (2700 m.y.) and the second, early Proterozoic (1900 m.y.). The 2700 m.y. orthogneiss protolith age from this area is the first direct evidence of Archaean crust involved in the Hercynian belt. Major events at 2700, 1800 and 600 m.y. in the Hercynian belt suggest that European Precambrian microplate(s) were part of the west African craton, where the same sequence of events is observed. |
| doi_str_mv | 10.1130/0091-7613(1989)017<0241:APWEPG>2.3.CO;2 |
| format | article |
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J ; Capdevila, R ; Dosso, L</creator><creatorcontrib>Guerrot, C ; Peucat, J. J ; Capdevila, R ; Dosso, L</creatorcontrib><description>Two major events of crustal growth and high-grade metamorphism were suggested by U-Pb and Sm-Nd studies of four granulites from the Bay of Biscay, Spain. The first is Archaean (2700 m.y.) and the second, early Proterozoic (1900 m.y.). The 2700 m.y. orthogneiss protolith age from this area is the first direct evidence of Archaean crust involved in the Hercynian belt. Major events at 2700, 1800 and 600 m.y. in the Hercynian belt suggest that European Precambrian microplate(s) were part of the west African craton, where the same sequence of events is observed.</description><identifier>ISSN: 0091-7613</identifier><identifier>EISSN: 1943-2682</identifier><identifier>DOI: 10.1130/0091-7613(1989)017<0241:APWEPG>2.3.CO;2</identifier><language>eng</language><publisher>Boulder: Geological Society of America (GSA)</publisher><subject>absolute age ; Africa ; Archean ; Atlantic Ocean ; Bay of Biscay ; crust ; dates ; dredged samples ; Europe ; facies ; France ; genesis ; geochemistry ; geochronology ; Geology ; gneisses ; grade ; granulite facies ; granulites ; high-grade metamorphism ; igneous and metamorphic rocks ; metamorphic rocks ; metamorphism ; microplates ; Neoproterozoic ; nesosilicates ; North Atlantic ; orthogneiss ; orthosilicates ; Pb/Pb ; Petrology ; plate tectonics ; Precambrian ; Proterozoic ; protoliths ; silicates ; Sm/Nd ; U/Pb ; upper Precambrian ; Variscan Orogeny ; West African Shield ; Western Europe ; zircon ; zircon group</subject><ispartof>Geology (Boulder), 1989-03, Vol.17 (3), p.241-244</ispartof><rights>GeoRef, Copyright 2020, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom @Twickenham @GBR @United Kingdom</rights><rights>Copyright Geological Society of America Mar 1989</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.geoscienceworld.org/lithosphere/article-lookup?doi=10.1130/0091-7613(1989)017<0241:APWEPG>2.3.CO;2$$EHTML$$P50$$Ggeoscienceworld$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,38881,77824</link.rule.ids></links><search><creatorcontrib>Guerrot, C</creatorcontrib><creatorcontrib>Peucat, J. J</creatorcontrib><creatorcontrib>Capdevila, R</creatorcontrib><creatorcontrib>Dosso, L</creatorcontrib><title>Archean protoliths within early Proterozoic granulitic crust of the West European Hercynian Belt; possible relics of the West African Craton</title><title>Geology (Boulder)</title><description>Two major events of crustal growth and high-grade metamorphism were suggested by U-Pb and Sm-Nd studies of four granulites from the Bay of Biscay, Spain. The first is Archaean (2700 m.y.) and the second, early Proterozoic (1900 m.y.). The 2700 m.y. orthogneiss protolith age from this area is the first direct evidence of Archaean crust involved in the Hercynian belt. Major events at 2700, 1800 and 600 m.y. in the Hercynian belt suggest that European Precambrian microplate(s) were part of the west African craton, where the same sequence of events is observed.</description><subject>absolute age</subject><subject>Africa</subject><subject>Archean</subject><subject>Atlantic Ocean</subject><subject>Bay of Biscay</subject><subject>crust</subject><subject>dates</subject><subject>dredged samples</subject><subject>Europe</subject><subject>facies</subject><subject>France</subject><subject>genesis</subject><subject>geochemistry</subject><subject>geochronology</subject><subject>Geology</subject><subject>gneisses</subject><subject>grade</subject><subject>granulite facies</subject><subject>granulites</subject><subject>high-grade metamorphism</subject><subject>igneous and metamorphic rocks</subject><subject>metamorphic rocks</subject><subject>metamorphism</subject><subject>microplates</subject><subject>Neoproterozoic</subject><subject>nesosilicates</subject><subject>North Atlantic</subject><subject>orthogneiss</subject><subject>orthosilicates</subject><subject>Pb/Pb</subject><subject>Petrology</subject><subject>plate tectonics</subject><subject>Precambrian</subject><subject>Proterozoic</subject><subject>protoliths</subject><subject>silicates</subject><subject>Sm/Nd</subject><subject>U/Pb</subject><subject>upper Precambrian</subject><subject>Variscan Orogeny</subject><subject>West African Shield</subject><subject>Western Europe</subject><subject>zircon</subject><subject>zircon group</subject><issn>0091-7613</issn><issn>1943-2682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNpVUdFq2zAUFWOFZV3_QexpYzjVlWzZXscgM2laKCQPHX0UinzVqHhWJtmU7Bv20ZXx2JgepCNxzrm69xByCWwJINglYzVkpQTxAeqq_sig_MJ4Dp9Xu4f1bvOVL8Wy2V7xV2QBdS4yLiv-miz-qt6QtzE-MQZ5UVYL8nsVzAF1T4_BD75zwyHS57S7nqIO3Ynu0jsG_8s7Qx-D7sfESdCEMQ7UWzockD5gwusx-OPkdIPBnHqX0Dfshit69DG6fYc0YOdM_E-0ssGZxGyCHnz_jpxZ3UW8-HOek-_X6_vmJrvbbm6b1V2mOWdDhiXP9xJR2hbqva0KvpeV4HWBVhrdYlsabQALYXi6Wc4KlK01aUmpC2bEOXk_-6amf47pH-rJj6FPJRVnACWIWiTSZiaZkBoIaNUxuB86nBQwNSWhppmqaaZqSkKlJNSUhJqTUFwJ1WwVT06fZqdH9NE47A0--9C1_6rOegE5cPECe22Shw</recordid><startdate>19890301</startdate><enddate>19890301</enddate><creator>Guerrot, C</creator><creator>Peucat, J. J</creator><creator>Capdevila, R</creator><creator>Dosso, L</creator><general>Geological Society of America (GSA)</general><general>Geological Society of America</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope></search><sort><creationdate>19890301</creationdate><title>Archean protoliths within early Proterozoic granulitic crust of the West European Hercynian Belt; possible relics of the West African Craton</title><author>Guerrot, C ; Peucat, J. J ; Capdevila, R ; Dosso, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a220t-e724b6ee6fd19bf852b683295ef6caded7cac1e53c2adef205e6dfcccc66a50c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>absolute age</topic><topic>Africa</topic><topic>Archean</topic><topic>Atlantic Ocean</topic><topic>Bay of Biscay</topic><topic>crust</topic><topic>dates</topic><topic>dredged samples</topic><topic>Europe</topic><topic>facies</topic><topic>France</topic><topic>genesis</topic><topic>geochemistry</topic><topic>geochronology</topic><topic>Geology</topic><topic>gneisses</topic><topic>grade</topic><topic>granulite facies</topic><topic>granulites</topic><topic>high-grade metamorphism</topic><topic>igneous and metamorphic rocks</topic><topic>metamorphic rocks</topic><topic>metamorphism</topic><topic>microplates</topic><topic>Neoproterozoic</topic><topic>nesosilicates</topic><topic>North Atlantic</topic><topic>orthogneiss</topic><topic>orthosilicates</topic><topic>Pb/Pb</topic><topic>Petrology</topic><topic>plate tectonics</topic><topic>Precambrian</topic><topic>Proterozoic</topic><topic>protoliths</topic><topic>silicates</topic><topic>Sm/Nd</topic><topic>U/Pb</topic><topic>upper Precambrian</topic><topic>Variscan Orogeny</topic><topic>West African Shield</topic><topic>Western Europe</topic><topic>zircon</topic><topic>zircon group</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guerrot, C</creatorcontrib><creatorcontrib>Peucat, J. J</creatorcontrib><creatorcontrib>Capdevila, R</creatorcontrib><creatorcontrib>Dosso, L</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Geology (Boulder)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guerrot, C</au><au>Peucat, J. J</au><au>Capdevila, R</au><au>Dosso, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Archean protoliths within early Proterozoic granulitic crust of the West European Hercynian Belt; possible relics of the West African Craton</atitle><jtitle>Geology (Boulder)</jtitle><date>1989-03-01</date><risdate>1989</risdate><volume>17</volume><issue>3</issue><spage>241</spage><epage>244</epage><pages>241-244</pages><issn>0091-7613</issn><eissn>1943-2682</eissn><abstract>Two major events of crustal growth and high-grade metamorphism were suggested by U-Pb and Sm-Nd studies of four granulites from the Bay of Biscay, Spain. The first is Archaean (2700 m.y.) and the second, early Proterozoic (1900 m.y.). The 2700 m.y. orthogneiss protolith age from this area is the first direct evidence of Archaean crust involved in the Hercynian belt. Major events at 2700, 1800 and 600 m.y. in the Hercynian belt suggest that European Precambrian microplate(s) were part of the west African craton, where the same sequence of events is observed.</abstract><cop>Boulder</cop><pub>Geological Society of America (GSA)</pub><doi>10.1130/0091-7613(1989)017<0241:APWEPG>2.3.CO;2</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0091-7613 |
| ispartof | Geology (Boulder), 1989-03, Vol.17 (3), p.241-244 |
| issn | 0091-7613 1943-2682 |
| language | eng |
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| source | GeoScienceWorld (GSW) |
| subjects | absolute age Africa Archean Atlantic Ocean Bay of Biscay crust dates dredged samples Europe facies France genesis geochemistry geochronology Geology gneisses grade granulite facies granulites high-grade metamorphism igneous and metamorphic rocks metamorphic rocks metamorphism microplates Neoproterozoic nesosilicates North Atlantic orthogneiss orthosilicates Pb/Pb Petrology plate tectonics Precambrian Proterozoic protoliths silicates Sm/Nd U/Pb upper Precambrian Variscan Orogeny West African Shield Western Europe zircon zircon group |
| title | Archean protoliths within early Proterozoic granulitic crust of the West European Hercynian Belt; possible relics of the West African Craton |
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