Less resistant material gets ground down by abrasion into rock flour.
{"Image DocumentName": "Less resistant material gets ground down by abrasion into rock flour.", "Image ImageDescription": "Lake Louise, Canada has a turquoise colour due to ground down rock flour sediment in the meltwater.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}