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Surface exposure dating of the Veliki vrh rock avalanche in Slovenia associated with the 1348 earthquakeMerchel, Silke, kemik ...Over 30 samples from bedrock and boulders from theVeliki vrh rock avalanche have been collected for surface exposure dating. The limestone rocks have been radiochemically treated to isolate and ... determine long-lived 36Cl by accelerator mass spectrometry. It could be shown that the Veliki vrh rock avalanche from the Košuta Mountain (Slovenia) event can be very likely linked to one of the major historical earthquakes in Europe happening on the 25th of January 1348. Taken into account independently determined denudation rates, inherited 36Cl originating from pre-exposure at shallow depths (20-55 m) could be calculated. The high amount of inherited 36Cl, i.e. 17-46 % of the total 36Cl, makes this site not suitable for a precise determination of the 36Cl production rate as it was originally anticipated. Veliki vrh is a classic rock avalanche of high velocity. The slope failed in the upper part with a translational slide predominantly along the bedding planes, whereas dynamic fragmentation is the cause for further crushing of the material and the long runout.Source: Quaternary geochronology. - ISSN 1871-1014 (Vol. 22, 2014, str. 33-42)Type of material - article, component part ; adult, seriousPublish date - 2014Language - englishCOBISS.SI-ID - 53972322
Author
Merchel, Silke, kemik |
Mrak, Irena, 1973- |
Braucher, Régis |
Benedetti, Lucilla |
Repe, Blaž, 1972- |
Bourlès, Didier |
Reitner, Jürgen
Topics
naravne nesreče |
potresi |
podori |
Slovenija |
Karavanke |
natural disasters |
terrestrial cosmogenic nuclides |
exposure dating |
earthquakes |
rock avalanches |
Slovenia
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Database name | Field | Year |
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Merchel, Silke, kemik | |
Mrak, Irena, 1973- | 19338 |
Braucher, Régis | |
Benedetti, Lucilla | |
Repe, Blaž, 1972- | 20793 |
Bourlès, Didier | |
Reitner, Jürgen |
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