First evidence for ultrahigh-pressure garnet peridotite in the North American Cordillera
Notice bibliographique
Résumé
Research Article| February 01, 2005 First evidence for ultrahigh-pressure garnet peridotite in the North American Cordillera Jason M. MacKenzie; Jason M. MacKenzie 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Search for other works by this author on: GSW Google Scholar Dante Canil; Dante Canil 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Search for other works by this author on: GSW Google Scholar Stephen T. Johnston; Stephen T. Johnston 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Search for other works by this author on: GSW Google Scholar Joseph English; Joseph English 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Search for other works by this author on: GSW Google Scholar Mitchell G. Mihalynuk; Mitchell G. Mihalynuk 2Geological Survey Branch, Ministry of Energy and Mines, Victoria, British Columbia V8W 9N3, Canada Search for other works by this author on: GSW Google Scholar Brian Grant Brian Grant 2Geological Survey Branch, Ministry of Energy and Mines, Victoria, British Columbia V8W 9N3, Canada Search for other works by this author on: GSW Google Scholar Author and Article Information Jason M. MacKenzie 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Dante Canil 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Stephen T. Johnston 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Joseph English 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3P6, Canada Mitchell G. Mihalynuk 2Geological Survey Branch, Ministry of Energy and Mines, Victoria, British Columbia V8W 9N3, Canada Brian Grant 2Geological Survey Branch, Ministry of Energy and Mines, Victoria, British Columbia V8W 9N3, Canada Publisher: Geological Society of America Received: 28 Jun 2004 Revision Received: 01 Oct 2004 Accepted: 06 Oct 2004 First Online: 09 Mar 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2005) 33 (2): 105–108. https://doi.org/10.1130/G20958.1 Article history Received: 28 Jun 2004 Revision Received: 01 Oct 2004 Accepted: 06 Oct 2004 First Online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Jason M. MacKenzie, Dante Canil, Stephen T. Johnston, Joseph English, Mitchell G. Mihalynuk, Brian Grant; First evidence for ultrahigh-pressure garnet peridotite in the North American Cordillera. Geology 2005;; 33 (2): 105–108. doi: https://doi.org/10.1130/G20958.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Constraints on the thickness of mantle lithosphere involved in collisional orogenesis are fundamental for understanding the geodynamics of mountain building and the overall growth of continents by accretionary tectonics. Garnet peridotite and ultrahigh-pressure (UHP) crustal rocks provide such a constraint in many collisional orogens but have hitherto been unrecognized in western North America's Cordillera. Here we show the first evidence for exhumation of UHP (>2.8 GPa) garnet peridotite and eclogite and for deposition of these rocks as detritus in an Early Jurassic forearc basin (Laberge Group, Yukon Territory and British Columbia). Our results suggest that collision in this part of the North American Cordillera must have been thick skinned, involving a Proterozoic continental mass with a lithosphere >100 km (and possibly to 150 km) thick. Our discovery also provides insight into the vigor of uplift and erosion of deep-seated rocks in a nascent continental arc. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,006 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».