On Mar 17, 2017, at 3:31 AM, Igor PDML-StR <[email protected]> wrote:
> Some 4 years ago, during my trip to Banff National Park in Canada, > I also saw amazing blue color (although more teal-ish) of water: > https://42graphy.org/galleries/banff-2012/_IR37060.html > A frequent question that tourists ask there is what is the origin of such a > color. Someone told the story that some local guides feed to some naive > tourists that they regularly paint the bottom of the lake to get that look. The true source of the colour is "rock flour". This lake (among others in the region) is fed by glaciers and the water contains finely-ground particles of rock that were ground up by the movement of the glacier. Cheers, Dave -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
