Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/79896
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Pérez-Alberti, A. | - |
dc.contributor.author | Cunha, Pedro P. | - |
dc.date.accessioned | 2018-06-27T10:19:12Z | - |
dc.date.available | 2018-06-27T10:19:12Z | - |
dc.date.issued | 2016 | - |
dc.identifier.issn | 2444–0272 | pt |
dc.identifier.uri | https://hdl.handle.net/10316/79896 | - |
dc.description.abstract | This paper focuses on slope dynamics in schist/slate materials in cold humid environments. It characterises the sedimentological features and controls involved in the for-mation of stratified slope deposits in two areas with similar topographical, lithological and cli-matic characteristics. In both areas, the slopes have dips >30º and the dominant rock types are schists and slates. In the case of Tierra del Fuego, the sedimentary deposits studied are modern; those in Galicia are Pleistocene in age. The slope processes operating in Tierra del Fuego, gen-erating modern stratified slope sedimentary deposits, throw light upon the interpretation of sim-ilar ancient sediments studied in Galicia. This comparative study reveals the fundamental role played by snow and freeze-thaw cycles in the creation of stratified slope deposits. Firstly, snow cover has a direct effect on the slope, compacting sediments, keeping ground temperature stable during winter, or moving clasts as they slip down the slope or act as a slide ramp. Indirectly, as the snow melts, it creates surface run-off and mud or gravel slides. Secondly, the activity gen-erated by numerous freeze-thaw cycles results in the vertical mobility of clasts. However, the continuous loading of sediments on the slope hinders the formation of coarse-grained pavement. Thirdly, the rock type and slope steepness play an important role in the creation of stratified slope deposits. | pt |
dc.description.sponsorship | Spanish Ministry of Education and Science - projects CGL2004-03380/BOS and POL2006-PC091 | pt |
dc.language.iso | eng | pt |
dc.publisher | Elsevier | pt |
dc.relation | This study had the support of (FCT), through the Strategic Project UID/MAR/04292/2013 | pt |
dc.rights | openAccess | pt |
dc.rights.uri | http://creativecommons.org/licenses/by-sa/4.0/ | pt |
dc.subject | Stratified slope deposits | pt |
dc.subject | Cryonival processes | pt |
dc.subject | Fuegian Andes | pt |
dc.subject | Argentina | pt |
dc.subject | Serra do Courel | pt |
dc.subject | Galicia | pt |
dc.subject | Spain | pt |
dc.title | The stratified slope deposits of Tierra del Fogo (Argentina) as an annalogue for similar pleistocene deposits in Galicia (NW Spain) | pt |
dc.type | article | - |
degois.publication.firstPage | 183 | pt |
degois.publication.lastPage | 209 | pt |
degois.publication.title | Polígonos. Revista de Geografía | pt |
dc.peerreviewed | yes | pt |
dc.identifier.doi | 10.18002/pol.v0i28 | pt |
degois.publication.volume | 28 | pt |
dc.date.embargo | 2016-01-01 | * |
dc.date.periodoembargo | 0 | pt |
uc.controloAutoridade | Sim | - |
item.openairetype | article | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | Com Texto completo | - |
crisitem.author.researchunit | MARE - Marine and Environmental Sciences Centre | - |
crisitem.author.orcid | 0000-0002-9956-4652 | - |
Appears in Collections: | I&D MARE - Artigos em Revistas Internacionais |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
The stratified slope deposits of Tierra del Fogo.pdf | 12.92 MB | Adobe PDF | View/Open |
Page view(s)
266
checked on Mar 26, 2024
Download(s)
285
checked on Mar 26, 2024
Google ScholarTM
Check
Altmetric
Altmetric
This item is licensed under a Creative Commons License