Strozyk, Frank (2010): AMS 14C and calibrated ages of sediment core GeoB10426-1. PANGAEA, doi:10.1594/PANGAEA.734771, Supplement to: Strozyk, Frank; Huhn, Katrin; Strasser, Michael; Krastel, Sebastian; Kopf, Achim J; Kock, Ingo (2009): New evidence for massive graviational mass-transport deposits in the southern Cretan Sea, eastern Mediterranean. Marine Geology, 263(1-4), 97-107, doi:10.1016/j.margeo.2009.04.002
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Newly acquired bathymetric and seismic reflection data have revealed mass-transport deposits (MTDs) on the northeastern Cretan margin in the active Hellenic subduction zone. These include a stack of two submarine landslides within the Malia Basin with a total volume of approximately 4.6 km**3 covering an area of about 135 km**2. These two MTDs have different geometry, internal deformations and transport structures. The older and stratigraphic lower MTD is interpreted as a debrite that fills a large part of the Malia Basin, while the second, younger MTD, with an age of at least 12.6 cal. ka B.P., indicate a thick, lens-shaped, partially translational landslide. This MTD comprises multiple slide masses with internal structure varying from highly deformed to nearly undeformed. The reconstructed source area of the older MTD is located in the westernmost Malia Basin. The source area of the younger MTD is identified in multiple headwalls at the slope-basin-transition in 450 m water depth. Numerous faults with an orientation almost parallel to the southwest-northeast-trending basin axis occur along the northern and southern boundaries of the Malia Basin and have caused a partial steepening of the slope-basin-transition. The possible triggers for slope failure and mass-wasting include (i) seismicity and (ii) movement of the uplifting island of Crete from neotectonics of the Hellenic subduction zone, and (iii) slip of clay-mineral-rich or ash-bearing layers during fluid involvement.
Latitude: 35.406500 * Longitude: 25.661800
Date/Time Start: 2006-05-10T11:49:00 * Date/Time End: 2006-05-10T11:49:00
Minimum DEPTH, sediment/rock: 1.280 m * Maximum DEPTH, sediment/rock: 1.940 m
|#||Name||Short Name||Unit||Principal Investigator||Method||Comment|
|2||Depth, top/min||Depth top||m||Strozyk, Frank|
|3||Depth, bottom/max||Depth bot||m||Strozyk, Frank|
|4||Age, dated||Age dated||ka||Strozyk, Frank||Age, 14C AMS|
|5||Age, dated standard deviation||Age std dev||±||Strozyk, Frank|
|6||Age, dated||Age dated||ka||Strozyk, Frank||Age, 14C calibrated|
|7||Age, dated standard deviation||Age std dev||±||Strozyk, Frank|
18 data points