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Dmanisi promontory and map of excavation areas. Sediments beneath Medieval ruins in blocks 1 and 2 yielded Dmanisi's assemblage of early Homo fossils, dated to ca. 1.77 Ma. The recent discovery of stratified stone artifacts in Unit M5, push back even farther the age of Dmanisi's first occupations to the late Olduvai subchron, 1.85–1.78 Ma.
