Information AboutKolk |
| CATEGORIES ABOUT KOLK | |
| oceanography | |
| geomorphology | |
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Kolks leave clear evidence in the form of plucked-bedrock pits, called Rock-cut Basin s or lakes and downstream deposits of gravel-supported blocks that show percussion but no rounding. EXAMPLES Kolks were first identified by the Dutch, who observed kolks hoist several ton blocks of Riprap from dikes and transport them away suspended above the bottom. Kolks are credited with creating the pothole-type geographical features in the highly jointed basalts in the Channeled Scablands of the Columbia Basin region in eastern Washington . Depressions were scoured out within the scablands that resemble virtually circular steep sided potholes. Examples from the Missoula Flood s in this area include:
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