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Ylva's got it. If the interior was either completely covered by cortical bone or otherwise blocked from oxygen, it will be black even if the exterior is lighter. Allison On Wed, Apr 10, 2019, 2:15 PM Ylva Bäckström <[log in to unmask]> wrote: > I agree with Nerissa, the bone is probably slightly burnt (low > temperature). The reason why the inside of the bone is black might be > explained by the oxygen-free environment inside a tubular bone. > > > Best, > > Ylva > > > Ylva Bäckström > > Doktorand i historisk osteologi, Lunds universitet > > Mobil: +46(0)76 836 30 35 > > > Landsvägen Norrböda 10, 387 73 Löttorp, Öland > > Sikeå Hamn 29, 915 93 Robertsfors > > > > ------------------------------ > *Från:* Analysis of animal remains from archaeological sites < > [log in to unmask]> för Nerissa Russell <[log in to unmask]> > *Skickat:* den 10 april 2019 18:13:51 > *Till:* [log in to unmask] > *Ämne:* Re: [ZOOARCH] burnt cattle humerus - interior of bone > > It’s hard to be sure from a photo, but I it looks to me as though the > outside is burned: calcined while buried by a fire on top. It looks like > that kind of dull gray-brown color that seems unburnt at first glance, with > the interior less burned. > > Nerissa Russell > Professor > Department of Anthropology > Director of Undergraduate Studies, Archaeology > Cornell University > > > From: Analysis of animal remains from archaeological sites < > [log in to unmask]> on behalf of "Moore, Katherine M" < > [log in to unmask]> > Reply-To: "Moore, Katherine M" <[log in to unmask]> > Date: Wednesday, April 10, 2019 at 10:15 AM > To: "[log in to unmask]" <[log in to unmask]> > Subject: Re: burnt cattle humerus - interior of bone > > Interesting! A torch, or a smudge, maybe with enough soft tissue > surrounding to insulate/cool the outer surface. At first I anticipated that > this was just staining, but the cross section looks exactly like charred > bone. > > best, > Kate Moore > > KATHERINE M. MOORE, PH.D. > > *Practice Professor, Department of Anthropology* > > > *Undergraduate Chair * > > *Mainwaring Teaching Specialist* > Center for the Analysis of Archaeological Materials > > PENN MUSEUM > > 3260 SOUTH STREET > > PHILADELPHIA, PA 19104-36324 > > TEL: 215-898-6306 > > email* [log in to unmask] <[log in to unmask]>* > > www.penn.museum > > > > ------------------------------ > *From:* Analysis of animal remains from archaeological sites < > [log in to unmask]> on behalf of Emily Murray < > [log in to unmask]> > *Sent:* Wednesday, April 10, 2019 5:22 AM > *To:* [log in to unmask] > *Subject:* [ZOOARCH] burnt cattle humerus - interior of bone > > Dear ZooArch > > I have a distal cattle humerus in which the interior of the bone, but not > the exterior [at least not the bits that I have of it] are burnt. It is > from an early medieval site in Ireland. Would anyone have any suggestions > as to how this may have occurred? One idea is that the bone may have been > used as a 'torch' and held some sort of burning material - ? I have not > come across any bones burnt in this way before. > > I have uploaded a couple of photos on ZooBook [link below] > > Many thanks, > Emily > > > https://zooarchaeology.ning.com/photo/albums/burnt-cattle-humerus-interior-of-bone > > > > > *Dr Emily Murray* > *BSc, PhD, ILM L5, PGCHET* > > > ------------------------------ > > To unsubscribe from the ZOOARCH list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=ZOOARCH&A=1 > > ------------------------------ > > To unsubscribe from the ZOOARCH list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=ZOOARCH&A=1 > > ------------------------------ > > To unsubscribe from the ZOOARCH list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=ZOOARCH&A=1 > > ------------------------------ > > To unsubscribe from the ZOOARCH list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=ZOOARCH&A=1 > ######################################################################## To unsubscribe from the ZOOARCH list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=ZOOARCH&A=1