Identification and origin of bitumen in Neolithic artefacts from Demirkoy Hoyuk (8100 BC)

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dc.contributor.authorConnan, J.
dc.contributor.authorKavak, O.
dc.contributor.authorAkin, E.
dc.contributor.authorYalcin, M. N.
dc.contributor.authorImbus, K.
dc.contributor.authorZumberge, J.
dc.date.accessioned2024-04-24T16:15:46Z
dc.date.available2024-04-24T16:15:46Z
dc.date.issued2006
dc.departmentDicle Üniversitesien_US
dc.description22nd International Meeting on Organic Geochemistry -- SEP 12-16, 2005 -- Seville, SPAINen_US
dc.description.abstractTwo ring-like artefacts from the aceramic Neolithic site of Demirkoy Hoyuk in southeastern Turkey were analysed using geochemical techniques in order to determine whether they were prepared using a bitumen amalgam or not. The artefacts, dated 8 100 BC, are early evidence of the innovative use of a petroleum-based material to prepare pieces of ornaments (beads, rings, etc.) for the elite of a Neolithic settlement. In order to trace the source of the presumed bitumen, two oil seeps, Bogazkoy and Yesilli, were sampled. To complete the genetic references, geochemical data on crude oils from the main oil fields from the area were compiled. Basic geochemical data show that bitumen is present in the artefacts. Sterane and terpane patterns, as well as carbon isotopic data on C15+ saturated and C15+ aromatic hydrocarbons, allowed us to conclude that the Demirkoy Hoyuk bitumen and the Bogazkoy oil seep were generated from a Silurian source rock. The detailed geochemical characteristics show, however, that the Demirkoy Hoyuk bitumen does not correlate perfectly with the Bogazkoy oil. This discrepancy suggests several explanations: the real bitumen source may be elsewhere in the vicinity and has not been discovered or was at the Bogazkoy oil seep location but with slightly different properties in Neolithic times, or has disappeared. Another possibility is that the slight molecular differences are due to weathering effects, which affected the pristine bitumen within the archaeological sample. (c) 2006 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.orggeochem.2006.07.023
dc.identifier.endpage1767en_US
dc.identifier.issn0146-6380
dc.identifier.issn1873-5290
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-33845271452
dc.identifier.scopusqualityQ2
dc.identifier.startpage1752en_US
dc.identifier.urihttps://doi.org/10.1016/j.orggeochem.2006.07.023
dc.identifier.urihttps://hdl.handle.net/11468/15920
dc.identifier.volume37en_US
dc.identifier.wosWOS:000243578200012
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofOrganic Geochemistry
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keyword]en_US
dc.titleIdentification and origin of bitumen in Neolithic artefacts from Demirkoy Hoyuk (8100 BC)en_US
dc.titleIdentification and origin of bitumen in Neolithic artefacts from Demirkoy Hoyuk (8100 BC)
dc.typeConference Objecten_US

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