Absolute timing of sulfide and gold mineralization: A comparison of Re-Os molybdenite and Ar-Ar mica methods from the Tintina Gold Belt, Alaska
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Résumé
Research Article| September 01, 2002 Absolute timing of sulfide and gold mineralization: A comparison of Re-Os molybdenite and Ar-Ar mica methods from the Tintina Gold Belt, Alaska David Selby; David Selby 1Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada Search for other works by this author on: GSW Google Scholar Robert A. Creaser; Robert A. Creaser 1Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada Search for other works by this author on: GSW Google Scholar Craig J.R. Hart; Craig J.R. Hart 2Yukon Geology Program, Box 203 (F-3), Whitehorse, Yukon Y1A 2C6, Canada Search for other works by this author on: GSW Google Scholar Cameron S. Rombach; Cameron S. Rombach 3Department of Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, Alaska 99775-5780, USA Search for other works by this author on: GSW Google Scholar John F.H. Thompson; John F.H. Thompson 4Teck Cominco Limited, Suite 600-200 Burrard Street, Vancouver, British Columbia V6C 3L9, Canada Search for other works by this author on: GSW Google Scholar Moira T. Smith; Moira T. Smith 4Teck Cominco Limited, Suite 600-200 Burrard Street, Vancouver, British Columbia V6C 3L9, Canada Search for other works by this author on: GSW Google Scholar Arne A. Bakke; Arne A. Bakke 5Fairbanks Gold Mining Inc., P.O. Box 73726, Fairbanks, Alaska 99707, USA Search for other works by this author on: GSW Google Scholar Richard J. Goldfarb Richard J. Goldfarb 6U.S. Geological Survey, Box 25046, MS 964, Denver Federal Center, Denver, Colorado 80225-0046, USA Search for other works by this author on: GSW Google Scholar Author and Article Information David Selby 1Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada Robert A. Creaser 1Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada Craig J.R. Hart 2Yukon Geology Program, Box 203 (F-3), Whitehorse, Yukon Y1A 2C6, Canada Cameron S. Rombach 3Department of Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, Alaska 99775-5780, USA John F.H. Thompson 4Teck Cominco Limited, Suite 600-200 Burrard Street, Vancouver, British Columbia V6C 3L9, Canada Moira T. Smith 4Teck Cominco Limited, Suite 600-200 Burrard Street, Vancouver, British Columbia V6C 3L9, Canada Arne A. Bakke 5Fairbanks Gold Mining Inc., P.O. Box 73726, Fairbanks, Alaska 99707, USA Richard J. Goldfarb 6U.S. Geological Survey, Box 25046, MS 964, Denver Federal Center, Denver, Colorado 80225-0046, USA Publisher: Geological Society of America Received: 06 Feb 2002 Revision Received: 08 May 2002 Accepted: 10 May 2002 First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2002) 30 (9): 791–794. https://doi.org/10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2 Article history Received: 06 Feb 2002 Revision Received: 08 May 2002 Accepted: 10 May 2002 First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation David Selby, Robert A. Creaser, Craig J.R. Hart, Cameron S. Rombach, John F.H. Thompson, Moira T. Smith, Arne A. Bakke, Richard J. Goldfarb; Absolute timing of sulfide and gold mineralization: A comparison of Re-Os molybdenite and Ar-Ar mica methods from the Tintina Gold Belt, Alaska. Geology 2002;; 30 (9): 791–794. doi: https://doi.org/10.1130/0091-7613(2002)030<0791:ATOSAG>2.0.CO;2 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 New Re-Os molybdenite dates from two lode gold deposits of the Tintina Gold Belt, Alaska, provide direct timing constraints for sulfide and gold mineralization. At Fort Knox, the Re-Os molybdenite date is identical to the U-Pb zircon age for the host intrusion, supporting an intrusive-related origin for the deposit. However, 40Ar/39Ar dates from hydrothermal and igneous mica are considerably younger. At the Pogo deposit, Re-Os molybdenite dates are also much older than 40Ar/39Ar dates from hydrothermal mica, but dissimilar to the age of local granites. These age relationships indicate that the Re-Os molybdenite method records the timing of sulfide and gold mineralization, whereas much younger 40Ar/39Ar dates are affected by post-ore thermal events, slow cooling, and/or systemic analytical effects. The results of this study complement a growing body of evidence to indicate that the Re-Os chronometer in molybdenite can be an accurate and robust tool for establishing timing relations in ore systems. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
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) | 0,000 | 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 découle