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Phone: (843) 766-6635
Folly Beach Library
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Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
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Wando Mount Pleasant Library
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Phone: (843) 805-6888
Village Library
9 a.m. - 1 p.m.
Phone: (843) 884-9741
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9 a.m. - 8 p.m.
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Otranto Road Library
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McClellanville Library
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Luminescence dating of Enigmatic rock structures in New England, USA.
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- Author(s): Feathers, James K.; Frouin, Marine; Bench, Tristan G.
- Source:
Quaternary Geochronology; Nov2022, Vol. 73, pN.PAG-N.PAG, 1p- Subject Terms:
- Source:
- Additional Information
- Subject Terms:
- Abstract: Enigmatic rock structures in the form of walls, chambers, tunnels, and cairns are common archaeological features in northeastern United States, but the age of their construction is mostly unknown. Debate persists as to whether they are colonial or pre-colonial in age. Luminescence dating was applied at several sites to sediments underneath the rocks or to the rocks themselves. Sediment ages obtained from potassium feldspars using IRSL place their construction in the late 16th century, just before sustained colonial settlement. Sediment ages obtained from quartz using OSL place their construction later, but the much weaker quartz signals have issues, primarily the prevalence of a slower bleaching component. These raise questions on the credibility of the quartz ages. The age from one rock, also using IRSL, supports the K-feldspar sediment ages. The evidence suggests a pre-colonial construction, by ancestors of modern native Americans. • Luminescence dating is applied to rocks and sediments from rock structures in New England. • K-feldspars using IRSL provide more credible dates than quartz using OSL. • The rock structures appear to date to late 16th century, before sustained colonial settlement. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Quaternary Geochronology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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