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Accession: ANT-GCES-1402 Research Theme: Anthropology (Directed Study)
Contributors: John A. Turck, Victor Thompson
Title: A Comprehensive Radiocarbon Date Database from Archaeological Contexts on the Coastal Plain of Georgia
Abstract: This database consists of radiocarbon dates from archaeological contexts on the coastal plain of Georgia (samples from strictly geological contexts were not included). A comprehensive search was performed to find the original sources of dates reported for all archaeological sites in this area. As such, dates reported from any time (i.e., 1960s to the present) were incorporated, which includes dates with problems. Data were compiled by John Turck and numerous undergraduate work study and volunteer students over a large period of time (from January 2012 to July 2012, and from January 2013 to April 2013). John Turck added to and refined the dataset between May 2013 and February 2014. In general, the database was structured so the information could be easily input into CALIB's online calibration program. It includes information such as: sample IDs, raw age and standard deviation, delta 13 correction factor, adjusted age and standard deviation, site number and name, material, association, and references. Calibrated dates were not entered into this databse. These data can be used to aid in archaeological studies, refining our understanding of the timing of human occupations throughout the coastal plain, and especially in the coastal zone. These data can also be used to aid geological, and geomorphological studies. The nature of the data is such that it will need to be continually added to as new samples are processesd, and further refined as more information about dates entered previosuly are obtained. Note: The original radiocarbon date database contains sensitive information (i.e., the specific location of archaeological sites) that is for professional archaeologists only. If a professional archaeologist needs site location information, they can contact the Georgia Archaeological Site File.
DOI: 10.6073/pasta/d0a83dc508e50e5038e6b6a3ccca36d6
Key Words: Archaeological Survey, coastal plain, holocene, radiocarbon date
LTER Core Area: Population Studies
Research Themes: Anthropology
Study Period: 10-Jan-2012 to 03-Feb-2014
Study Sites:
CoastalPln -- Coastal_Plain, Southeast Georgia
» Download Geographic Coverage: Google Earth, ESRI Shapefile (polygons)
Publications:

Turck, J.A. and Thompson, V.D. 2013. Presentation: Sea Level Fluctuations, Landscape Evolution, and the Late Archaic Population of the Georgia Coast. 70th Annual Meeting of the Southeastern Archaeological Conference, Tampa, FL.

Downloads: Information

Data Table: ANT-GCES-1402 (Main data table for data set ANT-GCES-1402, 525 records)

Access: Public (released 20-Feb-2014)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [122.59kb],  Text File [104.92kb],  Text Report [127.00kb],  MATLAB (GCE Toolbox) [592.77kb],  MATLAB (Variables) [571.94kb]

Column List:(hide)

Column Name Units Type Description
1 Unique_ID none integer Unique arbitrary number assigned to each radiocarbon sample and date
2 Date_Problem none integer Whether or not there is a problem with the radiocarbon date
3 Date_Problem_Description none string Specific description of the problem with the date
4 Other_Problem none integer Whether or not there is a problem with other information associated with the radiocarbon sample
5 Other_Problem_Description none string Specific description of the other types of problems with the sample
6 Sample_ID none string Identifier for the radiocarbon sample assigned by the researcher
7 Lab_ID_Code none string Unique identifier for the radiocarbon sample assigned by the radiocarbon lab
8 Raw_14C_age_BP Years integer The raw radiocarbon measurment of a sample, in years before present, where present is AD 1950, uncorrected and uncalibrated
9 Flag_Raw_14C_age_BP none string QA/QC flags for The raw radiocarbon measurment of a sample, in years before present, where present is AD 1950, uncorrected and uncalibrated (flagging criteria, where "x" is Raw_14C_age_BP: x<0="I")
10 Raw_SD Years integer The one standard deviation error (i.e., plus/ minus) of the raw date
11 Flag_Raw_SD none string QA/QC flags for The one standard deviation error (i.e., plus/ minus) of the raw date (flagging criteria, where "x" is Raw_SD: x<0="I")
12 delta_13C PPT floating-point 13C/12C ratio. The correction for isotopic fractionation (i.e., the isotopic composition of the sample), which is the parts per thousand difference (per mille) between the carbon 13 of the sample, and the content of the international PDB standard carbonate. If this was not calculated originally for the sample, values can be estimated based on material type (see Chapter 5 of the CALIB Manual at: http://calib.qub.ac.uk/calib/manual/chapter5.html).
13 Flag_delta_13C none string QA/QC flags for 13C/12C ratio. The correction for isotopic fractionation (i.e., the isotopic composition of the sample), which is the parts per thousand difference (per mille) between the carbon 13 of the sample, and the content of the international PDB standard carbonate. If this was not calculated originally for the sample, values can be estimated based on material type (see Chapter 5 of the CALIB Manual at: http://calib.qub.ac.uk/calib/manual/chapter5.html). (flagging criteria, where "x" is delta_13C: )
14 delta_13C_SD PPT floating-point 13C/12C ratio. The one standard deviation error (i.e., plus/ minus) of the delta 13C correction
15 Flag_delta_13C_SD none string QA/QC flags for 13C/12C ratio. The one standard deviation error (i.e., plus/ minus) of the delta 13C correction (flagging criteria, where "x" is delta_13C_SD: )
16 delta_13_Estimated none integer This column indicates whether or not an estimated delta 13C value was used
17 Estimated_Correction Years integer Radiocarbon dates (in Years B. P.) corrected using estimated delta 13C values and the CALIB spreadsheet calculator (see Chapter 5 of the CALIB Manual at: http://calib.qub.ac.uk/calib/manual/chapter5.html).
18 Flag_Estimated_Correction none string QA/QC flags for Radiocarbon dates (in Years B. P.) corrected using estimated delta 13C values and the CALIB spreadsheet calculator (see Chapter 5 of the CALIB Manual at: http://calib.qub.ac.uk/calib/manual/chapter5.html). (flagging criteria, where "x" is Estimated_Correction: x<0="I")
19 Estimated_SD Years integer The one standard deviation error (i.e., plus/ minus) of the estimated corrected date
20 Flag_Estimated_SD none string QA/QC flags for The one standard deviation error (i.e., plus/ minus) of the estimated corrected date (flagging criteria, where "x" is Estimated_SD: x<0="I")
21 Adjusted_age_BP Years integer The final corrected radiocarbon date in Years B. P. (note, these are not calibrated). The raw dates were either adjusted using the original delta 13C values calculated by the lab, or using the estimated delta 13C values obtained from CALIB.
22 Flag_Adjusted_age_BP none string QA/QC flags for The final corrected radiocarbon date in Years B. P. (note, these are not calibrated). The raw dates were either adjusted using the original delta 13C values calculated by the lab, or using the estimated delta 13C values obtained from CALIB. (flagging criteria, where "x" is Adjusted_age_BP: x<0="I")
23 Adjusted_SD Years integer The one standard deviation error (i.e., plus/ minus) of the final corrected date
24 Flag_Adjusted_SD none string QA/QC flags for The one standard deviation error (i.e., plus/ minus) of the final corrected date (flagging criteria, where "x" is Adjusted_SD: x<0="I")
25 Site_Number none string The official state site file number given to the archaeological site
26 Site_Name none string The official name of the archaeological site, if given
27 Material none string The type of material that makes up the sample
28 Association none string The artifacts and features the radiocarbon sample was found in association with
29 Site_Provenience none string Detailed locational information within the site and/ or within the excavation that the sample was obtained
30 References none string The literature sources where information was obtained
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Turck, John A. 2014. A Comprehensive Radiocarbon Date Database from Archaeological Contexts on the Coastal Plain of Georgia. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/d0a83dc508e50e5038e6b6a3ccca36d6

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959 and OCE-1237140. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.