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GCELTER Data Set Summary
Accession:

ANTGCES1402

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:

10Jan2012 to 03Feb2014

Study Sites:


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:

Data Table: ANTGCES1402 (Main data table for data set ANTGCES1402, 525 records)
Access: Public (released 20Feb2014)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [122.59kb], Text File [104.92kb], MATLAB (GCE Toolbox) [592.77kb], MATLAB (Variables) [571.94kb], Text Report [127.00kb]
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 
floatingpoint 
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 
floatingpoint 
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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