Hofmeyr Skull

Infobox fossil


catalog number =
common name = Hofmeyr Skull
species = "Homo Sapiens"
age = 36,000 years
place discovered = South Africa
date discovered = 1952
discovered by = The Hofmeyr Skull is a 36 kya human skull specimen.

The skull was found in 1952 at the coordinates coord|31|34|S|25|58|E|, in a dry channel bed of the Vlekpoort River, near Hofmeyr, a small town in Eastern Cape, South Africa.

Background

Frederick E. Grine, an anthropologist and anatomist at State University of New York at Stony Brook, led the study. Grine says that he first noticed the skull on a bookshelf in a colleague's office in Cape Town, South Africa, and was inspired to reexamine the skull after noticing its likeness to the skulls of the first modern humans found in Europe.

It was not possible to date the skull using traditional radiocarbon dating, as the carbon had been leached out of the bone, so a new method developed by Richard Bailey of England's Oxford University involving a combination of optically stimulated luminescence and uranium-series dating methods was used. The skull was dated to 36,000 years old, by removing grains of sand from the skull's braincase and determining when quartz crystals in the sand were last exposed to sunlight.

The skull provides evidence supporting the recent single-origin hypothesis, which suggests that anatomically modern humans evolved in Africa before 200,000 to 100,000 years ago, with members of one branch leaving Africa about 80,000 years ago, spreading to the rest of the world and replacing other Homo species already there.

But the date cannot confirm it was at 200-100 "already there" since is only dated to be 36 ky old. It have however temporal properties to ilustrate Back To Africa (BTA) hyphothesis. Fact|date=August 2008

Analysis

The Hofmeyr fossil was compared with skulls from Sub-Saharan Africa, including those of the Khoisan, who are geographically proximate to the find. Using 3-dimensional measurement and mapping techniques, team member Katerina Harvati of the Max Planck Institute for Evolutionary Anthropology [http://www.eva.mpg.de/index.htm] in Leipzig, Germany, found that the Hofmeyr Skull is actually quite distinct from those found in Sub-Saharan Africans such as the Khoisan.

The skull's features were found however to have a very close affinity with Upper Paleolithic specimens from Eurasia

References

*cite journal
last = F. E. Grine
first =
coauthors = R. M. Bailey, K. Harvati, R. P. Nathan, A. G. Morris, G. M. Henderson, I. Ribot, A. W. G. Pike
title = Late Pleistocene Human Skull from Hofmeyr, South Africa, and Modern Human Origins
journal = Science
volume = 315
issue = 5809
pages = 226–229
publisher =
date = 2007-01-12
doi = 10.1126/science.1136294
accessdate =
pmid = 17218524
* cite news
last = Gosling
first = Melanie
title = Skull proves modern humans came from Africa
pages = 12
publisher = The Star
date = 2007-01-12
url =
accessdate =
* cite news
last = Wilford
first = John Noble
title = Skull Provides Signs of When Humans Left Africa
publisher = The New York Times
date = 2007-01-11
url = http://www.nytimes.com/2007/01/11/science/11cnd-skull.html
accessdate = 2007-01-12
* cite news
last = Markey
first = Sean
title = Skull Is First Fossil Proof of Human Migration Theory, Study Says
publisher = National Geographic
date = 2007-01-12
url = http://news.nationalgeographic.com/news/2007/01/070112-africa-skull.html
accessdate =

ee also

* List of fossil sites "(with link directory)"
* List of hominina (hominid) fossils "(with images)"