Shot while strolling down on 12th St., Denver, CO, April 24th, 2010.
A blog reviewing recent archaeological publications having to do with Paleolithic archaeology, paleoanthropology, lithic technology, hunter-gatherers and archaeological theory.
The structure is a stone wall that blocked two-thirds of the entrance to the Theopetra cave near Kalambaka on the north edge of the Thessalian plain. It was constructed 23,000 years ago, probably as a barrier to cold winds.
“An optical dating test, known as Optically Stimulated Luminescence, was applied on quartz grains nested within the stones. We dated four different samples from the sediment and soil materials, and all provided identical dates,” Nikolaos Zacharias, director of the laboratory of archaeometry at the University of Peloponnese, told Discovery News.