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Index of Subjects Ihave seen red mud on the cove at the Sandhills beach a few years ago. Since the beach was closed to clam digging, I thought perhaps it might be caused by the red tide we were hearing so much about at that time. At any rate, my guess about pink sands without even seeing them would be polution of some kind. Roland ----- Original Message ----- From: <iamclar@dal.ca> To: <naturens@chebucto.ns.ca>; "Sherman Williams" <sherm@glinx.com> Sent: Saturday, May 19, 2007 1:29 PM Subject: [NatureNS] Pink sands > Hi again, Sherman. > > I removed magenta from the pics, and the background tones became more > natural on > my screen, but the pink (more pale mauve, I'd say) remains on the outer > beach. > I think this might result from a sorting of heavy mineral sands (Zircon). > But > perhaps others are right about an organic origin. It is unlikely that > beach > sands would be anoxic enough and laden with sulphides to harbour "purple > Cyanobacteria" (I don't know current taxonomic assigment), which produce > this > sort of colour on saltmarsh muds. > > Cheers, Ian McLaren > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 269.7.4/811 - Release Date: 5/18/2007 > 3:50 PM > >
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