Om genstanden
Materiale udtaget til AMS-datering.
AMS-datering modtaget 19. marts 2009 med følgende oplysninger:
AAR-12774
Type: Charcoal (bøg)
Indsamlingsoplysninger: Rynkeby Mølle 09.01.08 sb. 159, Ringe sogn, Svendborg Amt.
Prøve af trækul udtaget til datering. Fundet hidrører fra et et-skibet hus, der er dateret til middelalder eller renæssance. Dateringen ses som et led i at opbygge en bredere kronologi/forståelse for middelalderens mange hustyper.
Vedbestemmelse (FHM): Prøven bestå af > 150 stk. små trækulsstykker, heriblandt Fagus, bøg 10 stk.
AMS-prøve,
A: 1 stk. Fagus, bøg, gren/kvist med bark
B: 1 stk Betula, birk, > 5 cm uden bark
AMS præp.: Prøve A er dateret.
Depth: 0 ± m (bl s)
Latitude: 6123560 ± (UTM (ED 50))
Longitude: 593510 ± (UTM (ED 50))
Expected age: Calendar age: 900-1500 e. Kr.
C14 Alder (BP): 239 ± 29
Kalibreret alder:
68.2% probability
1645AD (44.8%) 1667AD
1783AD (23.4%) 1797AD
95.4% probability
1527AD ( 4.2%) 1554AD
1632AD (52.3%) 1682AD
1739AD ( 0.5%) 1743AD
1762AD (30.4%) 1802AD
1937AD ( 8.1%) 1955AD
d13C (dual-inlet): -25.9 ± 0.05
Submitter ID: OBM3146X221
Submitter: Jesper Hansen
14C ages are reported in conventional radiocarbon years BP (before present = 1950) in accordance with international convention (M. Stuiver & H.A. Polach: Discussion of reporting 14C data. Radiocarbon 19(3) (1977) p. 355).
Thus, all calculated 14C ages have been corrected for fractionation so as to refer the result to be equivalent with the standard d13C value of -25‰ (wood). Reported d13C and d15N values have been measured by high-precision stable-isotope mass spectrometry. The values represent the isotopic composition of the original sample and is therefore useful for interpretation regarding association with the terrestrial/marine/freshwater food chains as well as trophic levels.
Calibrated ages in calendar years have been obtained from the calibration curves in Reimer et al. 2004 Radiocarbon vol. 46(3) pp 1029-1058 by means of the Oxcal v4.0 calibration programme (Bronk Ramsey C., 2001, Radiocarbon, 43 (2A) 355-363) using the terrestrial calibration curve, IntCal04 (for marine samples, see below). The probability method has been used to calculate the calibrated age ranges corresponding to 68.2% probability (1 sigma) and 95.4% probability (2 sigma) with the probability of each range given in brackets (indicating the probability that the true date belongs to the interval in question).
Specifikt fundsted: GNR
Fase: K34
