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====Two first centuries AD material====
====Two first centuries AD material====
The Oak chronology for Ireland is, based on the QUB-material, possible to build continuously and with good quality down to about 100 AD, and before that a rather tiny tail down to 13 BC (The oldest samlpe is {{QUB|Q218}} from Mill Lough). Another complex of Irish chronologies has its young end at 69 BC with the Annaholty Bog (Tipperary). That complex can be dated towards the [[English Roman]] time complex, which in its turn is dated towards the continental European roman time complex. The problem is that the quality of the link between the present time chronologies down to about fourth century AD and the whole European roman time complex is of disputable quality. It is based upon the work of [[Ernst Hollstein]] and [[Berndt Becker]], but the Hollstein link is proved to be built on chronologies in which erroneously dated samples have been mixed<ref>Lars-Åke Larsson & Petra Ossowski Larsson: [http://www.cybis.se/forfun/dendro/hollstein/hollsteinintro/ ''An introduction to "The validity of the European chronology"''].</ref> and according to the Becker chronology (Southern Germany) there are no information available about the quality of the critical "[[Migration period]]" linkage.<ref>Larsson: [http://www.cybis.se/forfun/dendro/hollstein/becker1/ '''Retrieving some Becker data'']. The "[[Merovingian gap]]" is discussed but the [[Migration period]] is unfortunately left in silence. An updated version of the South German Chronology is available as ''[[a100]]'' in the [[East Anglia Incident chronology files]], but there are still no data by which it could be validated.</ref>  Therefore an indisputable link between the Irish AD-chronology and the English Roman time complex would have been very welcome and of great value, but unfortunately this link, so far, is too weak to confirm the date accepted for Roman complex.<ref>[Petra Ossowski Larsson and Lars-Åke Larsson: ''An Irish tree ring chronology: An interpretation of some raw dendrochronology data published by the Queen's University Belfast'' Nov 28 2010. http://www.cybis.se/belfast]</ref>  
The Oak chronology for Ireland is, based on the QUB-material, possible to build continuously and with good quality down to about 100 AD, and before that a rather tiny tail down to 13 BC (The oldest samlpe is {{QUB|Q218}} from Mill Lough). Another complex of Irish chronologies has its young end at 69 BC with the Annaholty Bog (Tipperary). That complex can be dated towards the [[English Roman]] time complex, which in its turn is dated towards the continental European roman time complex. The problem is that the quality of the link between the present time chronologies down to about fourth century AD and the whole European roman time complex is of disputable quality. It is based upon the work of [[Ernst Hollstein]] and [[Berndt Becker]], but the Hollstein link is proved to be built on chronologies in which erroneously dated samples have been mixed<ref>Lars-Åke Larsson & Petra Ossowski Larsson: [http://www.cybis.se/forfun/dendro/hollstein/hollsteinintro/ ''An introduction to "The validity of the European chronology"''].</ref> and according to the Becker chronology (Southern Germany) there are no information available about the quality of the critical "[[Migration period]]" linkage.<ref>Larsson: [http://www.cybis.se/forfun/dendro/hollstein/becker1/ '''Retrieving some Becker data'']. The "[[Merovingian gap]]" is discussed but the [[Migration period]] is unfortunately left in silence. An updated version of the South German Chronology is available as ''[[a100]]'' in the [[East Anglia Incident chronology files]], but there are still no data by which it could be validated.</ref>  Therefore an indisputable link between the Irish AD-chronology and the English Roman time complex would have been very welcome and of great value, but unfortunately this link, so far, is too weak to confirm the date accepted for Roman complex.<ref>Petra Ossowski Larsson and Lars-Åke Larsson: [http://www.cybis.se/belfast ''An Irish tree ring chronology: An interpretation of some raw dendrochronology data published by the Queen's University Belfast''] Nov 28 2010.</ref>  


The sites in QUB forming the old end of the present time Irish chronology are:
The sites in QUB forming the old end of the present time Irish chronology are:

Revision as of 14:58, 3 December 2010

Here is the place to list text which clarify the geographical origin for sets of QUB-files.

England

Alchester

See also Wikipedia (English) article about Alchester_Roman_Town. Location: 51°52′42″N 1°10′10″W

Roman Londinium. (London)

  • Wikipedia (English) article about No_1_Poultry AD 47 (not QUB)

N. England

Carlisle

Swan Carr

Durham

Scotland

Ireland

  • Navan and Dorsey are supposed to overlap in the 6th-1st centuries BC, running from 575-95BC (Baillie & Brown, 'Dendrochronology of Irish Bog Trackways', pp.395-402 in B. Raftery (ed), Trackway Excavations in the Mountdillon Bogs, Co. Longford, 1985-1991 (Irish Archaeological Wetland Unit Transactions Vol.3, 1996), fig.504).

Northern Ireland

"BELIM"

The "BELIM" masterchronology AD 1001-1970 is described (containing also data for the Master Chronology) in Michael G. L. Baillie: The Belfast Oak Chronology to AD 1001, Tree-Ring Bulletin, vol. 37, 1977 (Geocoord data approximately according to map in the article). It is also available among the East Anglia Incident chronology files. The younger part of this chronology, however, was described in Baillie: A Recently Developed Irish Tree-ring Chronology, Tree-Ring Bulletin, vol. 33, 1973. pp. 15-28.

Crannogs in northern Ireland

Two first centuries AD material

The Oak chronology for Ireland is, based on the QUB-material, possible to build continuously and with good quality down to about 100 AD, and before that a rather tiny tail down to 13 BC (The oldest samlpe is QUB:Q218 from Mill Lough). Another complex of Irish chronologies has its young end at 69 BC with the Annaholty Bog (Tipperary). That complex can be dated towards the English Roman time complex, which in its turn is dated towards the continental European roman time complex. The problem is that the quality of the link between the present time chronologies down to about fourth century AD and the whole European roman time complex is of disputable quality. It is based upon the work of Ernst Hollstein and Berndt Becker, but the Hollstein link is proved to be built on chronologies in which erroneously dated samples have been mixed[1] and according to the Becker chronology (Southern Germany) there are no information available about the quality of the critical "Migration period" linkage.[2] Therefore an indisputable link between the Irish AD-chronology and the English Roman time complex would have been very welcome and of great value, but unfortunately this link, so far, is too weak to confirm the date accepted for Roman complex.[3]

The sites in QUB forming the old end of the present time Irish chronology are:

  • Allistragh, AD 39 - 337 (>2 samples from AD 97) (natural, bog oak?)
  • Ballinderry, AD 25 - 618 (>2 samples from AD 110) meta data missing, but possibly anthropogenic remains (and likely the "Ballinderry" in Antrim county)
  • Balloo, AD 17 - 312 (>2 samples from AD 52) (probably bog oaks, found reused in a rather modern building)
  • Teeshan, AD 82 - 581 (>2 samples from AD 144) Crannog
  • Mill Lough, 13 BC - AD 611 (>2 samples from AD 37) (natural, bog oak?)

N NW Central plain

Central East coast

Drogheda

53°42′N 6°21′W

  • Drogheda [5]
  • BathHouse

Dublin

53°21′N 6°16′W

Southern Ireland coast

Cork

Central South Ireland

General


Problems

Notes

  1. ↑ Lars-Åke Larsson & Petra Ossowski Larsson: An introduction to "The validity of the European chronology".
  2. ↑ Larsson: 'Retrieving some Becker data. The "Merovingian gap" is discussed but the Migration period is unfortunately left in silence. An updated version of the South German Chronology is available as a100 in the East Anglia Incident chronology files, but there are still no data by which it could be validated.
  3. ↑ Petra Ossowski Larsson and Lars-Åke Larsson: An Irish tree ring chronology: An interpretation of some raw dendrochronology data published by the Queen's University Belfast Nov 28 2010.
  4. ↑ John Bradley: Excavations at Moynagh Lough, County Meath, The Journal of the Royal Society of Antiquaries of Ireland, Vol. 121, (1991), pp. 5-26
  5. ↑ M. G. L. Baillie: Dublin Medieval Dendrochronology, Tree-Ring Bulletin, vol. 37, 1977
  6. ↑ Abstracts for Wetland Archaeology in Ireland and Beyond
  7. ↑ M. G. L. Baillie: Dublin Medieval Dendrochronology, Tree-Ring Bulletin, vol. 37, 1977
  8. ↑ Claire Walsh: Archaeological excavations at Patrick, Nicholas & Winetavern streets, Dublin [book]
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