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20 juin 2023
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Bryan Gordon, « Dating Rock Art: Two New Methods for Pictographs and Petroglyphs », Palethnologie, ID : 10.4000/palethnologie.4500
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Two new methods for dating rock art with underlying soil have been tested under ten pictographs and five petroglyphs in seven regions of Canada, Mexico and the United States. Both assume pigment particles or paint droplets or hammerstone chips and the dust they created fell to the feet of the artist. This is like chalk dust at a blackboard, droplets while painting, or marble chips and dust in sculpting. Both require finding the soil level with this material and AMS dating its organic matter. ...