Hamlin State Beach .. and garnet sand

Last March, Jim Rienhardt brought his collection of some 270 sands to the WCGMC meeting and told us about arenophiles (sand collectors) (Reinhardt, 2018).  Jim repeated his presentation at the Rochester Academy of Science later that month.  At that meeting RAS member Paul Dudley brought along some sand he had collected from Hamlin State Beach some 50 years ago.  Paul’s sand was red and dominated by garnet, but full of other heavy minerals.  He told us that the sand had been collected during a college field trip late in the spring when Lake Ontario first started to recede from winter highs.

I parked that in my memory and on my calendar and on July 8th set out to find some “garnet” sand for myself.  I was not disappointed.  The first stop I made was at Area #5 at the west end of Hamlin State Beach.  The Lake level seemed to have dropped, perhaps a foot from its highest erosional cut.  And in the bank left when the lake level was highest was a 2-3 cm thick band of black and red sand.  I sampled and took pictures and moved to other areas of the park.

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