The "rock flower" can leave a silty slightly milky effect, but a distinct color may be a question.
J Sent from my iPhone > On Mar 16, 2017, at 1:07 PM, David Mann <dmann...@gmail.com> wrote: > >> On Mar 17, 2017, at 3:31 AM, Igor PDML-StR <pdml...@komkon.org> 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 > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
