CAMS-170784

radiocarbon date Radiocarbon date from Grassridge, c. 7241–6994 cal BP
Record created in XRONOS on 2022-12-02 00:50:45 UTC. Last updated on 2022-12-02 00:50:45 UTC. See changelog for details.
Contributors: XRONOS development team

Measurement

Age (uncal BP)
6200
Error (±)
35
Lab
NA
Method
AMS
Sample material
charcoal
Sample taxon
NA

Calibration

Calibration curve
SHCal20 (Hogg et al. 2020)
Calibrated age (2σ, cal BP)
  • 7241–7215
  • 7168–7145
  • 7142–6994

Context

Site
Grassridge
Context
Sample position
NA
Sample coordinates
NA

Bibliographic reference Bibliographic references (15) 

@misc{Dixon 1999; Rainey 1939; Faunmap 4443,
  
}
@article{p3k14c,
  title = {P3k14c, a Synthetic Global Database of Archaeological Radiocarbon Dates},
  author = {Bird, Darcy and Miranda, Lux and Vander Linden, Marc and Robinson, Erick and Bocinsky, R. Kyle and Nicholson, Chris and Capriles, José M. and Finley, Judson Byrd and Gayo, Eugenia M. and Gil, Adolfo and d’Alpoim Guedes, Jade and Hoggarth, Julie A. and Kay, Andrea and Loftus, Emma and Lombardo, Umberto and Mackie, Madeline and Palmisano, Alessio and Solheim, Steinar and Kelly, Robert L. and Freeman, Jacob},
  year = {2022},
  month = {jan},
  journal = {Scientific Data},
  volume = {9},
  number = {1},
  pages = {27},
  publisher = {Nature Publishing Group},
  issn = {2052-4463},
  doi = {10.1038/s41597-022-01118-7},
  abstract = {Archaeologists increasingly use large radiocarbon databases to model prehistoric human demography (also termed paleo-demography). Numerous independent projects, funded over the past decade, have assembled such databases from multiple regions of the world. These data provide unprecedented potential for comparative research on human population ecology and the evolution of social-ecological systems across the Earth. However, these databases have been developed using different sample selection criteria, which has resulted in interoperability issues for global-scale, comparative paleo-demographic research and integration with paleoclimate and paleoenvironmental data. We present a synthetic, global-scale archaeological radiocarbon database composed of 180,070 radiocarbon dates that have been cleaned according to a standardized sample selection criteria. This database increases the reusability of archaeological radiocarbon data and streamlines quality control assessments for various types of paleo-demographic research. As part of an assessment of data quality, we conduct two analyses of sampling bias in the global database at multiple scales. This database is ideal for paleo-demographic research focused on dates-as-data, bayesian modeling, or summed probability distribution methodologies.},
  copyright = {2022 The Author(s)},
  langid = {english},
  keywords = {Archaeology,Chemistry},
  month_numeric = {1}
}
@misc{ames2020csf,
  
}
@misc{collins2017rho,
  
}
@misc{opperman1987lsd,
  
}
@misc{opperman1988ems,
  
}
@misc{Ames C.J. Gliganic L. Cordova C.E. Boyd K. Jones B.G. Maher L. and Collins B.R. 2020. Chronostratigraphy Site Formation and Palaeoenvironmental Context of Late Pleistocene and Holocene Occupations at Grassridge Rock Shelter (Eastern Cape South Africa).Open Quaternary6(1).,
  
}
@misc{Cosgrove 1995,
  
}
@misc{Collins B. Wilkins J. and Ames C. 2017. Revisiting the Holocene occupations at Grassridge Rockshelter Eastern Cape South Africa.The South African Archaeological Bulletin72(206) pp.162-170.,
  
}
@misc{Opperman H. 1988. An excavation of a Middle Stone Age deposit in Grassridge Rockshelter Sterkstroom District Cape Province.Fort Hare Papers9 pp.51-61.,
  
}
@misc{Opperman H. 1987.The Later Stone Age of the Drakensberg range and its foothills(Vol. 339). British Archaeological Reports: Oxford.,
  
}
@misc{Smith A.B. and Jacobson L. 1995. Excavations at Geduld and the appearance of early domestic stock in Namibia.South African Archaeological Bulletin50(161) pp.3-14.,
  
}
@misc{Garfinkel 1999,
  
}
@misc{Mazel A.D. 1984. Diamond 1 and Clarke's Shelter: report on excavations in the northern Drakensberg Natal South Africa.Annals of the Natal Museum26(1) pp.25-70.,
  
}
@misc{Mason Roger D. Mark L. Peterson 1994,
  
}

{"bibtex_key":"Dixon 1999; Rainey 1939; Faunmap 4443","bibtex_type":"misc"}[{"bibtex_key":"p3k14c","bibtex_type":"article","title":"{P3k14c, a Synthetic Global Database of Archaeological Radiocarbon Dates}","author":"{Bird, Darcy and Miranda, Lux and Vander Linden, Marc and Robinson, Erick and Bocinsky, R. Kyle and Nicholson, Chris and Capriles, José M. and Finley, Judson Byrd and Gayo, Eugenia M. and Gil, Adolfo and d’Alpoim Guedes, Jade and Hoggarth, Julie A. and Kay, Andrea and Loftus, Emma and Lombardo, Umberto and Mackie, Madeline and Palmisano, Alessio and Solheim, Steinar and Kelly, Robert L. and Freeman, Jacob}","year":"{2022}","month":"{jan}","journal":"{Scientific Data}","volume":"{9}","number":"{1}","pages":"{27}","publisher":"{Nature Publishing Group}","issn":"{2052-4463}","doi":"{10.1038/s41597-022-01118-7}","abstract":"{Archaeologists increasingly use large radiocarbon databases to model prehistoric human demography (also termed paleo-demography). Numerous independent projects, funded over the past decade, have assembled such databases from multiple regions of the world. These data provide unprecedented potential for comparative research on human population ecology and the evolution of social-ecological systems across the Earth. However, these databases have been developed using different sample selection criteria, which has resulted in interoperability issues for global-scale, comparative paleo-demographic research and integration with paleoclimate and paleoenvironmental data. We present a synthetic, global-scale archaeological radiocarbon database composed of 180,070 radiocarbon dates that have been cleaned according to a standardized sample selection criteria. This database increases the reusability of archaeological radiocarbon data and streamlines quality control assessments for various types of paleo-demographic research. As part of an assessment of data quality, we conduct two analyses of sampling bias in the global database at multiple scales. This database is ideal for paleo-demographic research focused on dates-as-data, bayesian modeling, or summed probability distribution methodologies.}","copyright":"{2022 The Author(s)}","langid":"{english}","keywords":"{Archaeology,Chemistry}","month_numeric":"{1}"}]{"bibtex_key":"ames2020csf","bibtex_type":"misc"}{"bibtex_key":"collins2017rho","bibtex_type":"misc"}{"bibtex_key":"opperman1987lsd","bibtex_type":"misc"}{"bibtex_key":"opperman1988ems","bibtex_type":"misc"}{"bibtex_key":"Ames C.J. Gliganic L. Cordova C.E. Boyd K. Jones B.G. Maher L. and Collins B.R. 2020. Chronostratigraphy Site Formation and Palaeoenvironmental Context of Late Pleistocene and Holocene Occupations at Grassridge Rock Shelter (Eastern Cape South Africa).Open Quaternary6(1).","bibtex_type":"misc"}{"bibtex_key":"Cosgrove 1995","bibtex_type":"misc"}{"bibtex_key":"Collins B. Wilkins J. and Ames C. 2017. Revisiting the Holocene occupations at Grassridge Rockshelter Eastern Cape South Africa.The South African Archaeological Bulletin72(206) pp.162-170.","bibtex_type":"misc"}{"bibtex_key":"Opperman H. 1988. An excavation of a Middle Stone Age deposit in Grassridge Rockshelter Sterkstroom District Cape Province.Fort Hare Papers9 pp.51-61.","bibtex_type":"misc"}{"bibtex_key":"Opperman H. 1987.The Later Stone Age of the Drakensberg range and its foothills(Vol. 339). British Archaeological Reports: Oxford.","bibtex_type":"misc"}{"bibtex_key":"Smith A.B. and Jacobson L. 1995. Excavations at Geduld and the appearance of early domestic stock in Namibia.South African Archaeological Bulletin50(161) pp.3-14.","bibtex_type":"misc"}{"bibtex_key":"Garfinkel 1999","bibtex_type":"misc"}{"bibtex_key":"Mazel A.D. 1984. Diamond 1 and Clarke's Shelter: report on excavations in the northern Drakensberg Natal South Africa.Annals of the Natal Museum26(1) pp.25-70.","bibtex_type":"misc"}{"bibtex_key":"Mason Roger D. Mark L. Peterson 1994","bibtex_type":"misc"}
---
:bibtex_key: Dixon 1999; Rainey 1939; Faunmap 4443
:bibtex_type: :misc
---
- :bibtex_key: p3k14c
  :bibtex_type: :article
  :title: "{P3k14c, a Synthetic Global Database of Archaeological Radiocarbon Dates}"
  :author: "{Bird, Darcy and Miranda, Lux and Vander Linden, Marc and Robinson, Erick
    and Bocinsky, R. Kyle and Nicholson, Chris and Capriles, José M. and Finley, Judson
    Byrd and Gayo, Eugenia M. and Gil, Adolfo and d’Alpoim Guedes, Jade and Hoggarth,
    Julie A. and Kay, Andrea and Loftus, Emma and Lombardo, Umberto and Mackie, Madeline
    and Palmisano, Alessio and Solheim, Steinar and Kelly, Robert L. and Freeman,
    Jacob}"
  :year: "{2022}"
  :month: "{jan}"
  :journal: "{Scientific Data}"
  :volume: "{9}"
  :number: "{1}"
  :pages: "{27}"
  :publisher: "{Nature Publishing Group}"
  :issn: "{2052-4463}"
  :doi: "{10.1038/s41597-022-01118-7}"
  :abstract: "{Archaeologists increasingly use large radiocarbon databases to model
    prehistoric human demography (also termed paleo-demography). Numerous independent
    projects, funded over the past decade, have assembled such databases from multiple
    regions of the world. These data provide unprecedented potential for comparative
    research on human population ecology and the evolution of social-ecological systems
    across the Earth. However, these databases have been developed using different
    sample selection criteria, which has resulted in interoperability issues for global-scale,
    comparative paleo-demographic research and integration with paleoclimate and paleoenvironmental
    data. We present a synthetic, global-scale archaeological radiocarbon database
    composed of 180,070 radiocarbon dates that have been cleaned according to a standardized
    sample selection criteria. This database increases the reusability of archaeological
    radiocarbon data and streamlines quality control assessments for various types
    of paleo-demographic research. As part of an assessment of data quality, we conduct
    two analyses of sampling bias in the global database at multiple scales. This
    database is ideal for paleo-demographic research focused on dates-as-data, bayesian
    modeling, or summed probability distribution methodologies.}"
  :copyright: "{2022 The Author(s)}"
  :langid: "{english}"
  :keywords: "{Archaeology,Chemistry}"
  :month_numeric: "{1}"
---
:bibtex_key: ames2020csf
:bibtex_type: :misc
---
:bibtex_key: collins2017rho
:bibtex_type: :misc
---
:bibtex_key: opperman1987lsd
:bibtex_type: :misc
---
:bibtex_key: opperman1988ems
:bibtex_type: :misc
---
:bibtex_key: Ames C.J. Gliganic L. Cordova C.E. Boyd K. Jones B.G. Maher L. and Collins
  B.R. 2020. Chronostratigraphy Site Formation and Palaeoenvironmental Context of
  Late Pleistocene and Holocene Occupations at Grassridge Rock Shelter (Eastern Cape
  South Africa).Open Quaternary6(1).
:bibtex_type: :misc
---
:bibtex_key: Cosgrove 1995
:bibtex_type: :misc
---
:bibtex_key: Collins B. Wilkins J. and Ames C. 2017. Revisiting the Holocene occupations
  at Grassridge Rockshelter Eastern Cape South Africa.The South African Archaeological
  Bulletin72(206) pp.162-170.
:bibtex_type: :misc
---
:bibtex_key: Opperman H. 1988. An excavation of a Middle Stone Age deposit in Grassridge
  Rockshelter Sterkstroom District Cape Province.Fort Hare Papers9 pp.51-61.
:bibtex_type: :misc
---
:bibtex_key: 'Opperman H. 1987.The Later Stone Age of the Drakensberg range and its
  foothills(Vol. 339). British Archaeological Reports: Oxford.'
:bibtex_type: :misc
---
:bibtex_key: Smith A.B. and Jacobson L. 1995. Excavations at Geduld and the appearance
  of early domestic stock in Namibia.South African Archaeological Bulletin50(161)
  pp.3-14.
:bibtex_type: :misc
---
:bibtex_key: Garfinkel 1999
:bibtex_type: :misc
---
:bibtex_key: 'Mazel A.D. 1984. Diamond 1 and Clarke''s Shelter: report on excavations
  in the northern Drakensberg Natal South Africa.Annals of the Natal Museum26(1) pp.25-70.'
:bibtex_type: :misc
---
:bibtex_key: Mason Roger D. Mark L. Peterson 1994
:bibtex_type: :misc

Changelog