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Thread: repeated expansions into Paleolithic Eurasia from a population hub out of Africa

  1. #1
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    4 members found this post helpful.

    repeated expansions into Paleolithic Eurasia from a population hub out of Africa

    https://www.biorxiv.org/content/10.1....444621v2.full

    The population dynamics that followed the out of Africa expansion (OoA) and the whereabouts of the early migrants before the differentiation that ultimately led to the formation of Oceanian, West and East Eurasian macro populations have long been debated. Shedding light on these events may, in turn, provide clues to better understand cultural evolution in Eurasia between 50kya and 35kya.
    Here we analyze Eurasian Paleolithic DNA evidence to provide a comprehensive population model and validate it in light of available material culture. Leveraging on our integrated approach we propose the existence of a Eurasian population Hub, where Homo sapiens lived between the OoA and the broader colonization of Eurasia, which was characterized by multiple events of expansion and local extinction. A major population wave out of Hub, of which Ust’Ishim, Bacho Kiro and Tianyuan are unadmixed representatives, is broadly associated with Initial Upper Paleolithic lithics and populated West and East Eurasia before or around 45 kya, before getting largely extinct in Europe. In this light, we suggest a parsimonious placement of Oase1 as an individual related to Bacho Kiro who experienced additional Neanderthal introgression. Another expansion, started before 38 kya, is broadly associated with Upper Paleolithic industries and repopulated Europe with sporadic admixtures with the previous wave (GoyetQ116-1) and more systematic ones while moving through Siberia (Yana, Mal’ta).

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  2. #2
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    Interesting paper. Thanks for the link. I have already downloaded it and will take a look at it.

  3. #3
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    Wasn't a "pause" in the Arabian Peninsula proposed by Dienekes years and years ago?

    I always leaned toward Basal Eurasian living near the Persian Gulf. So, maybe Southern Iran/western India?


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    the oldest IUP identified lately as IUP is the Neronian, dated 54 ka in the Rhône Valley

    http://www.sci-news.com/archaeology/...lar-10544.html

    https://www.sciencedirect.com/scienc...31068307000280

    Attachment 13192

  5. #5
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    Quote Originally Posted by Angela View Post
    Wasn't a "pause" in the Arabian Peninsula proposed by Dienekes years and years ago?

    I always leaned toward Basal Eurasian living near the Persian Gulf. So, maybe Southern Iran/western India?
    this is the man on the field who has always advocated an 'early' out of Africa and even a later backmigration into Africa

    https://www.nationalgeographic.org/a...-jeffrey-rose/

    I believe him. IMO haplogroup E was born in Eurasia and re-entered Africa through the Nile Valley before it's expansion 52,3 ka.

    The 'Nubian Complex' however is not seen as a specific industry any more.

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