Good terminology, Umberto. I don't think we use that term, but we should. Jon At 05:08 PM 27/09/2006 +0100, you wrote: >just a small addition to Jon's very helpful clarification - Jon is certainly >right to consider as 'intrusive' the bones of his category 'c' but in Britain >at least these are more commonly defined as 'residual' to distinguish them >from >the 'intrusive' material originating from later layers. I would be interested >to know if a different terminology is used in the North American literature. > >Cheers, >Umberto > > >-- >Umberto Albarella >Department of Archaeology >University of Sheffield >Northgate House >West Street >Sheffield S1 4ET >United Kingdom >Telephone: (+) 44 (0) 114 22 22 943 >Fax: (+) 44 (0) 114 27 22 563 >http://www.shef.ac.uk/archaeology/staff/albarella.html > >"No co-operation in military matters should be an >essential moral principle for all true scientists" >Albert Einstein ------------------------ Jonathan C. Driver Dean of Graduate Studies Professor of Archaeology Simon Fraser University 8888 University Drive Burnaby, British Columbia V5A 1S6 [log in to unmask] Telephone: 604-291-4255 Facsimile: 604-291-3080 http://www.sfu.ca/dean-gradstudies