GEOG5839.11, Dendroarcheology (courtesy Max Torbenson)

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GEOG5839.11, Dendroarcheology (courtesy Max Torbenson)

  1. 1. DENDROARCHAEOLOGY GEOG5839
  2. 2. Dunluce Castle, Co. Antrim, Ulster.
  3. 3. Green ash tree being cored on the Sheyenne River, North Dakota.
  4. 4. Baillie 1995Schematic of dendrochronological dating.
  5. 5. Baillie 1995Schematic of dendrochronological dating.
  6. 6. Baillie 1982Same ring width pattern from three different trees.
  7. 7. David BrownBog oak, Ulster.
  8. 8. What does the daterepresent?
  9. 9. Felling or death, not construction!
  10. 10. Sapwood exposed as bark disintegrates, Lassen, California.
  11. 11. Anthropogenic modifications of wood.
  12. 12. David BrownCorlea Trackway (1), Co. Longford, RoI.
  13. 13. Boundary between heartwood and sapwood.
  14. 14. Examples of different sample types.
  15. 15. Baillie 1982Estimating missing sapwood.
  16. 16. Dating of Glasgow Cathedral, Scotland.
  17. 17. South Dublin LibrariesRathfarnham Castle, Dublin, RoI.
  18. 18. Dates of timber from Rathfarnham Castle.
  19. 19. Mike BaillieKilloteran vertical watermill, Co. Waterford, RoI.
  20. 20. Haneca and Debonne 2012Roof-timber of in medieval church, Damme, Belgium.
  21. 21. MARINE VESSELSAND PROVENANCING
  22. 22. Correlations of the Skuldelev timbers with British chronologies.
  23. 23. Sir John Rogerson Quay, Dublin, RoI.
  24. 24. Example of a medieval type cog, as found near Vejby, Denmark.
  25. 25. General pattern of wood movement identified by tree rings.
  26. 26. Problems on the horizon..
  27. 27. Pickard et al. 2011 Marsden et al. 1989 Satchell 2010Dug-out canoes, Canada and England.
  28. 28. The Uluburun shipwreck, southern Turkey.
  29. 29. “Caution should be exercisedconcerning a previously stated datederived from just two poorlypreserved pieces of cargo/dunnagewood from the famous Uluburunshipwreck. The quality and security ofthe dendrochronological placementsof these samples versus the Bronze-Iron age chronology are notespecially strong.” Manning et al. 2001
  30. 30. Grissino-Mayer et al. 2004Rings from the „Messiah‟ violin.
  31. 31. Frequency of constructed buildings.
  32. 32. Importance ofsapwood
  33. 33. Manycaveats
  34. 34. Not justdating

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