I sent a note to the photographer and asked him what it was. Here is his reply:
> Dear Bob, > > Weathered sandstone. This type of stone can be found on the Oregon > coast, as > well as other seaside locations. > This is basically a straight shot. > > Thanks for your interest! > > Robert Now we know for sure. Bob On Oct 27, 2006, at 10:25 AM, Anthony Farr wrote: > It's a formation called tafoni. > > I'm certain of it because I once spent several days scouring Sydney's > coastline for examples of tafoni to illustrate a magazine article. > > Tafoni is created when rock undergoes repeated cycles of wetting > and drying. > Chemical impurities in the rock accrete into the areas defined by > the raised > ridges, which become hardened. The areas from which the chemical > impurities > are leached become soft and easily erodable. Beginning as mere > dimples, the > eroded pockets can eventually develop into caves. > > Regards, > Anthony Farr > >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >> Behalf Of > mike >> wilson >> Sent: Wednesday, 25 October 2006 8:09 PM >> To: pdml@pdml.net >> Subject: TGPA >> >> Anyone know what this picture is of? >> >> http://www.tgpa.ca/index_photos/new_sample24.jpg >> >> >> ----------------------------------------- >> Email sent from www.ntlworld.com >> Virus-checked using McAfee(R) Software >> Visit www.ntlworld.com/security for more information >> >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
