Monday, January 18, 2016

EARLY HOMO SAPIENS CAME TO SPAIN THROUGH A LANDBRIDGE FROM GIBRALTER

A team of scientists have obtained or confirmed a date range between .9 and .85 Mya (million years ago) as a time when a species of Old World monkey (Theropithecus) and an early species of human occupied the cave site of Cueva Victoria in southeastern Spain.

The location is not far from where many scientists have hypothesized that humans may have crossed over into Europe from North Africa through the Strait of Gibraltar at a time when sea levels were low enough to provide a land bridge between the two continents.

Using paleomagnetism, uranium-thorium, and vertebrate biostratigraphy dating techniques, Luis Gibert of the University of Barcelona, Spain, and colleagues from several other institutions conducted testing on fossiliferous breccia samples and other deposit samples from the cave. Their results showed that the fossil evidence for the Theropithecus presence was constrained to a range between .9 and .85 Mya. Similar dates have been obtained through previous studies on the Cueva Negra cave in the same region of Spain, which contained evidence of early human (Homo) fossils associated with what is arguably considered to be the earliest Acheulean-type stone tools in Europe.

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