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TS_06_PushMound.JPG
 177 viewsThis bump at the edge of AMIGOSberg is known as a push mound or a bumper mark. This phenomenon occurs when icebergs bump into other icebergs or land.
Photo Credit: Courtesy Ted Scambos and Rob Bauer, NSIDC
IceTrek Web site
TS_06_WaterlineBerg.JPG
 189 viewsWarmer water washes against the iceberg and causes benches to form. The benches push the iceberg edges upwards; here, a bench floats above the water line and forces ice that used to be underwater into view.
Photo Credit: Courtesy Ted Scambos and Rob Bauer, NSIDC
IceTrek Web site
   
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