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re: LSU Indian Mounds oldest in North America
Posted on 8/23/22 at 10:33 am to TigerFox
Posted on 8/23/22 at 10:33 am to TigerFox
Look up 'OSL dating'. Essentially you can date the last time sediment was exposed to sunlight.
Most of the dating of LSU Indian mounds so far has been radiocarbon of charcoal and organics found in sediment cores, as well as something called magnetic susceptibility which can help determine when and how sediment was deposited.
Most of the dating of LSU Indian mounds so far has been radiocarbon of charcoal and organics found in sediment cores, as well as something called magnetic susceptibility which can help determine when and how sediment was deposited.
2
Posted on 8/23/22 at 10:34 am to BoudinChicot
quote:
Most of the dating of LSU Indian mounds so far has been radiocarbon of charcoal and organics found in sediment cores, as well as something called magnetic susceptibility which can help determine when and how sediment was deposited.
they're pretty old, I remember watching them build them when I was there, excess dirt from preparing the slab for the PMAC, iirc
Posted on 8/23/22 at 10:47 am to BoudinChicot
So, prob not that accurate? I don’t buy it.
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