K = 6 craniometric admixture analysis

Below is a K = 6 craniometric admixture plot.

The K = 6 analysis produced the following components:

      Eskimos, Polynesians, and Ainus.
      Australoids, Negroids, and archaics.
      North Asian Mongoloids and Amerindians.
      East Asian Mongoloids and Dogons.
      Pygmies, Negritos, Veddas, and other unrelated populations.

I have no idea why Dogons ended up being grouped with East Asian Mongoloids.

Pygmies and Negritos are similar, and Veddoids evolved from Negritoids, so it makes sense that these three races would be grouped together. But I don’t know why the other populations are grouped together with them.

As in the K = 5 analysis, where a Caucasoid component first emerged, the largest component for the ancient Peruvian skulls in the K = 6 analysis is the Caucasoid component.

The largest component for Elmenteita B in both the K = 5 analysis and the K = 6 analysis is the Caucasoid component. Elmenteita B is a Mesolithic skull from the Rift Valley of Kenya, dated to between 8,200 and 7,400 years BP. In my post for the K = 5 analysis I assumed that the skull was Negroid, but explained its identification as Caucasoid as being the result of a low level of archaic admixture. But I’ve since learned that my assumption that Elmenteita B was Negroid was unwarranted. Before 1975, it was widely believed that early skulls from East Africa like Elmenteita B were non-Negroid, and that some of them were Caucasoid. A multivariate analysis done in 1975 claimed to show that all such skulls were Negroid, but the results of my analyses contradict the 1975 study, and support the earlier prevailing view, at least for Elmenteita B.

Elmenteita B may have been an E1b1b Caucasoid. The Kenya Capsian culture dated to 13,000 to 9,000 BC is associated with the Capsian culture of North Africa, dated to 10,000 to 6,000 BC. These Capsian cultures are thought to be associated with the spread of Hamito-Semitic languages, and Hamito-Semitic languages are associated with Y haplogroup E1b1b.

The Rota skull from the Mariana Islands is also identified as Caucasoid by the K = 5 and K = 6 analyses. In my K = 5 post I assumed that it was also not Caucasoid, but as in the case of Elmenteita B, that assumption may have been incorrect.


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One comment on “K = 6 craniometric admixture analysis
  1. […] bearded men who originally inhabited the island. I’ll also point out here that my K = 5 and K = 6 admixture analyses of William W. Howells’ craniometric data identified the ancient Peruvian […]

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