Did two massive earthquakes in the Holocene induce widespread landsliding and near-surface deformation in part of the Ottawa Valley, Canada?
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Notice bibliographique
Résumé
Research Article| October 01, 2000 Did two massive earthquakes in the Holocene induce widespread landsliding and near-surface deformation in part of the Ottawa Valley, Canada? J.M. Aylsworth; J.M. Aylsworth 1Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8, Canada Search for other works by this author on: GSW Google Scholar D.E. Lawrence; D.E. Lawrence 1Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8, Canada Search for other works by this author on: GSW Google Scholar J. Guertin J. Guertin 28 Pine Ridge Road, Halifax, Nova Scotia B3N 1C6, Canada Search for other works by this author on: GSW Google Scholar Author and Article Information J.M. Aylsworth 1Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8, Canada D.E. Lawrence 1Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8, Canada J. Guertin 28 Pine Ridge Road, Halifax, Nova Scotia B3N 1C6, Canada Publisher: Geological Society of America Received: 20 Mar 2000 Revision Received: 06 Jul 2000 Accepted: 17 Jul 2000 First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2000) 28 (10): 903–906. https://doi.org/10.1130/0091-7613(2000)28<903:DTMEIT>2.0.CO;2 Article history Received: 20 Mar 2000 Revision Received: 06 Jul 2000 Accepted: 17 Jul 2000 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 J.M. Aylsworth, D.E. Lawrence, J. Guertin; Did two massive earthquakes in the Holocene induce widespread landsliding and near-surface deformation in part of the Ottawa Valley, Canada?. Geology 2000;; 28 (10): 903–906. doi: https://doi.org/10.1130/0091-7613(2000)28<903:DTMEIT>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 Recent evidence based on ages of large landslides and the existence of severely disturbed terrain in Champlain Sea sediments to the east of Ottawa suggests that this area may have been the site of two of the most geologically destructive earthquakes in eastern Canada. The walls of several paleochannels, downcut into sensitive marine clayey silts, are scarred by numerous large earthflows of sizes unequaled in historical time. While radiocarbon ages of 15 landslides, as much as 35 km apart, range from ca. 1870 to 5130 yr B.P., the majority of events cluster at ca. 4550 yr B.P. The coincidence of numerous large failures in different paleovalleys, occurring concurrently, long after channel abandonment and at a time of drier climate, suggests that the widespread landsliding was triggered by a strong earthquake. Close to the landslide area, areas of very disturbed terrain in a flat erosional plain show severely deformed bedding and irregular ground subsidence and are attributed to a large earthquake, ca. 7060 yr B.P., that strongly shook a thick sequence of sensitive material filling deep, steep-sided, bedrock basins. 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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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