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20 juin 2023
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Lawrence Loendorf, « Old Petroglyphs on the North American High Plains », Palethnologie, ID : 10.4000/palethnologie.3020
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Research on North America’s High Plains has been directed toward establishing the age of petroglyphs through relative methods. At several sites it has been possible to 14C date soil deposits that formerly buried petroglyph panels so it is possible to establish an age of Early Archaic petroglyphs at 4 500 BP. These old Archaic petroglyphs are pecked abstracts with distinctive forms. Fortunately they are so distinct that they can be recognized at other localities. Using the age and form of the ...