نتایج جستجو برای: scarp
تعداد نتایج: 300 فیلتر نتایج به سال:
Waterfalls commonly exist near bounding faults of mountain ranges, where erosional bedrock catchments transition to depositional alluvial fans. We hypothesize that aggradation on alluvial fans can bury active faults, and that the faults accumulate slip in the subsurface to produce a bedrock scarp. Following entrenchment of the alluvial fan, the scarp can be exposed as a waterfall. To explore th...
Age Constraints and Denudation Rate of a Multistage Fault Line Scarp: an Example from Southern Italy
The morphological evolution of a carbonate fault line scarp from southern Italy, generated by transpressional faulting and evolved by slope replacement, has been reconstructed. C dating of faulted slope deposits (ages included between 18 ka and ~8 ka BP) have been performed to constrain the Late Pleistocene — Holocene evolution of that scarp. Longto short-term denudation rates have been also ev...
[1] Pedestal craters on Mars are defined by an outwardfacing scarp forming a plateau perched tens of meters above the surrounding terrain. Their origin has been attributed to impact armoring of the surface and subsequent removal of inter-crater terrain by either eolian deflation or sublimation of an ice-rich substrate. We identified 2696 pedestal craters between 60 N and 60 S latitude; 98% are ...
We present preliminary information on the geomorphologic features and paleoseismic record associated with the ruptures of two Ms 7.8 earthquakes that struck Tierra del Fuego and the southernmost continental margin of South America on December 17, 1949. The fault scarp was surveyed in several places east of Lago Fagnano and a trench across a secondary fault trace of the Magallanes-Fagnano fault ...
[1] Clay-rich mass transport deposits (MTDs) in the Ursa Basin, Gulf of Mexico, record failures that mobilized along extensional failure planes and transformed into long runout flows. Failure proceeded retrogressively: scarp formation unloaded adjacent sediment causing extensional failure that drove successive scarp formation updip. This model is developed from three-dimensional seismic reflect...
While there has been significant research on the dating of paleoearthquakes using methods such as surface cosmogenic dating, and trench-based luminescence or radiocarbon this paper focuses implementing an alternative method a fault scarp-based optically stimulated (OSL) approach. Hence for first time, we investigated Pleistocene to Holocene earthquake cycle Manisa Fault, one dip-slip active fau...
Wireless sensor networks sense various kinds of information, process them locally and communicate it to the outside world via satellite or Internet. In the near future, sensor networks will play a major role in collecting and disseminating information from the fields where ordinary networks are unreachable for various environmental and strategical reasons. Hence it is increasingly likely that s...
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