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I think that this material may have been described by Frank Green in his article on mineraistaion (JAS), but also Wendy Carruthers described similar from Potterne, Wilts - see Lawson 1999 and I believe an article in *Circaea. * ** Many of these items that I've seen scanning many flots seem to be hollow and its just the exterior surfaces that become calcium carbonate or calcium phospo-carbonate replaced .. don't know what they are ... or what Wendy said they might be ... if i remember she too was struggling ... but vshe may have solved the mystery. Mike On 10 May 2011 15:37, Lisa Gray <[log in to unmask]> wrote: > Dear Colleagues, > > Here is photograph of the items I asked about in my previous email. The > grid squares are1mm. These objects have been found in pits and wells often > with mineralised fruit seeds. > > best wishes, > > Lisa > > -- > www.lisagray.co.uk > > Lisa Gray MA (Maritime Archaeology-UCL) MSc (Bio-Archaeology-UCL) AIfA > Freelance Archaeobotanist > 89 St. John's Rd, > Faversham, > Kent, > ME13 8EN. > tel: 01795590603/ 07812028697 > > -- Dr Michael J Allen, MIfA, FLS, FSA AEA: Allen Environmental Archaeology Tel. 07828 103454 website at www.themolluscs.com and Visiting Research Fellow in Environmental Archaeology Bournemouth University