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RAP03722 (LA MEZIERE (35). 16 bis place de l’église. Rapport de diagnostic)
  • Report Date: February 19, 2019 Material Received: February 08, 2019 Conventional Radiocarbon Age (BP) or Percent Modern Carbon (pMC) & Stable Isotopes Sample Code Number Calendar Calibrated Results: 95.4 % Probability High Probability Density Range Method (HPD) Beta - 518178
  • fraction and was used for calendar calibration where applicable. The Age is rounded to the nearest 10 years and is reported as radiocarbon years before present (BP), “present" = AD 1950. Results greater than the modern reference are reported as percent modern carbon (pMC). The modern
  • ). d13C and d15N values are relative to VPDB-1. References for calendar calibrations are cited at the bottom of calibration graph pages. Page 2 of 5 48 Inrap · Rapport de diagnostic archéologique Ille-et-Vilaine, La Mézière, 16 bis, place de l'église REPORT OF RADIOCARBON DATING
  • ANALYSES Celine Baudoin Inrap - Dir Grand Ouest Laboratory Number Report Date: February 19, 2019 Material Received: February 08, 2019 Conventional Radiocarbon Age (BP) or Percent Modern Carbon (pMC) & Stable Isotopes Sample Code Number Calendar Calibrated Results: 95.4
  • Radiocarbon Age" was calculated using the Libby half -life (5568 years), is corrected for total isotopic fraction and was used for calendar calibration where applicable. The Age is rounded to the nearest 10 years and is reported as radiocarbon years before present (BP), “present" = AD 1950
  • Radiocarbon Age are conservatively rounded up to 30. d13C values are on the material itself (not the AMS d13C). d13C and d15N values are relative to VPDB-1. References for calendar calibrations are cited at the bottom of calibration graph pages. Page 3 of 5 III. Inventaires techniques
  • 49 BetaCal 3.21 Calibration of Radiocarbon Age to Calendar Years (highest probability ranges: INTCAL13) (Variables: d13C = -25.2 o/oo) Laboratory number Beta-518178 Conventional radiocarbon age 2110 ± 30 BP 95.4% probability (95.4%) 204 - 46 cal BC (2153 - 1995 cal BP
  • , Florida 33155 • Tel: (305)667-5167 • Fax: (305)663-0964 • Email: beta@radiocarbon.com Page 4 of 5 Inrap · Rapport de diagnostic archéologique Ille-et-Vilaine, La Mézière, 16 bis, place de l'église BetaCal 3.21 Calibration of Radiocarbon Age to Calendar Years (High Probability
RAP03422.pdf (ETEL (56). Rue de Kéranroué - Penenster : une sépulture individuelle du Campaniforme. Rapport de diagnostic)
RAP03702 (HILLION (22). Le Champ du Pommier : un bâtiment à abside du Néolithique final. Rapport de fouille)
RAP02046.pdf (PAIMPONT (35). paléosidérurgie diachronique du massif de Paimpont. le vert pignon III : découverte de fours métallurgiques en activité autour du XVe siècle. rapport de prospection thématique avec sondages)
  • was estimated, based on values typical of the material type. The quoted results are NOT calibrated to calendar years. Calibration to calendar years should be calculated using the Conventional C14 âge. CALIBRATION OF RADIOCARBON AGE TO CALENDAR YEARS (Variables: C 13/C 12=-25.6:lab. mult
  • , A. S., Vogel.J.C, 1993, Rad iocarbon 3 5(2 ), p3 17-322 Beta Analytic Inc. 4985 SW ~4 Court. Miami, Florida 33155 USA • Tel: (305) 66? 516? • Fax. (305) 66 3 0964 •E-Mail: beta@radiocarbon.com I CALIBRATION OF RADIOCARBON AGE TO CALENDAR YEARS (Variables: C 13/C 12=-25.5:lab
  • @radiocarbon.com I CALIBRATION OF RADIOCARBON AGETO CALENDAR YEARS (Variables: C 13/C 1 2 = -24.9:lab. mult=l) La bo ratory num ber: Beta-184833 Conventional radiocarbon âge: 2370±70 BP 2 Sigm a calibrated results: (95% probability) Cal BC 770 to 360 (Cal BP 2720 to 2310) and Cal BC
  • pretreatments and, where applicable, the two sigma calendar calibration range. ' As always, this report has been both mailed and sent electronically. Ail results (excluding some inappropriate material types) which are less than about 20,000 years BP and more than about -250 BP include
  • this calendar calibration page (also digitally available in Windows metafile (wmf) format upon request). The calibrations are calculated using the newest (1998) calibration database with références quoted on the bottom of each page. Multiple probability ranges may appear in some cases, due
  • . HATFIELD Mr. CHRISTOPHER L PATRICK Depcity Directors ANALYTICAL PROCEDURES AND FINAL REPORT Final Report The final report package includes the final date report, a statement outlining our analytical procédures, a glossary of pretreatment terms, calendar calibration information
  • -mass-spectrometer (AMS) located at one of 9 collaborating research facilities, who return the raw data to us for vérification, isotopic fractionation correction, calculation calendar calibration, and reporting. The Radiocarbon Age and Calendar Calibration The "Conventional 14 C
  • Age (*)" is the resuit after applying 13 C/ 12 C corrections to the measured âge and is the most appropriate radiocarbon âge (the "*" is discussed at the bottom of the final report). Applicable calendar calibrations are included for materials 0 and about 20,000 BP. If certain
  • . RADIOCARBON DATTNG LABORATORY CALIBRATED C-14 DATING RESULTS Calibrations of radiocarbon âgé déterminations are applied to convert BP results to calendar years. The short term différence between the two is caused by fluctuations in the heliomagnetic modulation of the galactic cosmic
  • ) program has been chosen for thèse calendar calibrations. It uses splines through the tree-ring data as calibration curves, which éliminâtes a large part of the statistical scatter of the actual data' points. The spline calibration allows adjustment of the average curve by a quantified
  • ranges given by the computer program are uncertain. The possibility of an "old wood effect" must also be considered, as well as the potential inclusion of younger or older material in matrix samples. Since thèse factors are indeterminant error in most cases, thèse calendar calibration
  • in this range are likely to change in the future with refinement in the corrélation curve. The âge ranges and especially the intercept âges generated by the program, must be considered as approximations.) CALIBRATION OF RADIOCARBON AGE TO CALENDAR YEARS Variables used in the calculation
  • of âge calibration The calendar âge range in both calendar years (AD or BC) and in Radiocarbon Years (BP) (Variables: est C13/C12=-25:lab. mult=l) Laboratory number: Beta-123456 Conventional radiocarbon âge 1 : 2400±60 BP' * 2 Sigma calibrated resuit: (95% probability) Cal BC
  • • T 600 550 Cal BC 300 The 2 Sigma Calendar Calibrated Age Range- This range is determined by the portion of the curve that is in a "box" drawn from the 2 sigma limits on the radiocarbon âge. If a section of the curve goes outside Références: of the "box", multiple ranges
RAP03750 (CAULNES (22). Le Bois de la Haie, déviation RD 766. Rapport de fouille)
RAP02332.pdf (PAIMPONT (35). le Bois Jacob. rapport de fouille programmée annuelle)
  • . 4985 SW 74 Court Miami, Florida 33155 USA Tel: 305 667 5167 Fax: 305 663 0/97 Beta@radiocarbon.com Www.radiocarbon.com Mr. Darden Hood Director Mr. Ronald Hatfield Mr. Christopher Patrick Deputy Directors Calendar Calibration at Beta Analytic Calibrations of radiocarbon age
  • determinations are applied to convert BP results to calendar years. The short-term difference between the two is caused by fluctuations in the heliomagnetic modulation of the galactic cosmic radiation and, recently, large scale burning of fossil fuels and nuclear devices testing. Geomagnetic
  • 19,000 years BP using the most recent calibration data available. The Pretoria Calibration Procedure (Radiocarbon, Vol 35, No.1, 1993, pg 317) program has been chosen for these calendar calibrations. It uses splines through the tree-ring data as calibration curves, which eliminates
  • , as well as the potential inclusion of younger or older material in matrix samples. Since these factors are indeterminant error in most cases, these calendar calibration results should be used only for illustrative purposes. In the case of carbonates, reservoir correction is theoretical
  • s t o p h e r P a t r i c k Deputy Directors Delivered On Time. Final Report The final report package includes the final date report, a statement outlining our analytical procedures, a glossary of pretreatment terms, calendar calibration information, billing documents
  • with standards and backgrounds. The graphite was then detected for 14C content in one of 9 accelerator-mass-spectrometers (AMS) . The Radiocarbon Age and Calendar Calibration The "Conventional
RAP03740 (CARNAC (56). Kergueno : diagnostic archéologique à proximité du dolmen de la Madeleine. Rapport de diagnostic)
RAP03617 (BETTON (35). Les Rignés. Rapport de diagnostic)
  • . Fig. 5 Herminette polie en place au moment de sa découvverte. Crédit Inrap 34 Inrap · Rapport de diagnostic archéologique Betton (35), Les Rignés BetaCal 3.21 Calibration of Radiocarbon Age to Calendar Years (High Probability Density Range Method (HPD): INTCAL13) (Variables
  • avec moins d’inclusion schisteuses Fig. 7 Plan et coupes du bâtiment du haut Moyen-âge. Crédit Beta Analytic. T1-F6 1 1 2 1 N N II. Résultats 37 BetaCal 3.21 Calibration of Radiocarbon Age to Calendar Years (High Probability Density Range Method (HPD): INTCAL13
RAP03621 (QUIMPER (29). Kersaliou : Un habitat groupé du Bronze moyen/final. Rapport de fouille préventive)
RAP03648 (LANNION (22). Route de Petit Camp : un ensemble funéraire et un habitat de l'âge du Bronze. Rapport de fouille)
RAP03563 (INZINZAC-LOCHRIST (56). Route du Temple, espace Pen ar Prat. Rapport de diagnostic)
RAP03409.pdf (BRIE (35). 8 rue de Bretagne. Rapport de diagnostic)
RAP03786 (CHATEAUNEUF-DU-FAOU, PLONEVEZ-DU-FAOU (29). Coatronval Vihan (zone 1), Saint-André (zone 2a et 2b), Penn ar Nec'h (zone 3) : Occupations médiévales le long de la RN 164. Rapport de fouille)
RAP03751 (BRIE (35). 8 rue de Bretagne : Genèse et évolution d'un habitat seigneurial entre le Xe et le XVe siècle. Rapport de fouille)
RAP03778 (CARNOËT (35). Tossen Saint-Gildas, la Vallée des Saints.Rapport de diagnostic)