Stone implements dating from 9000 to 2400bc

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Geological Ages and Era Precambrian–4.6 billion years ago (bya) Hadean Eon 4.6–3.8 bya Archean Eon 3.8–2.5 bya Proterozoic Eon 2.5bya–570 million years ago (mya) Phanerozoic Eon Paleozoic Era Cambrian Period Ordovician Period Silurian Period Devonian Period Carboniferous Period Permian Period–Oil Mesozoic Era Triassic Period Pangaea supercontinent Jurassic Period Dinosaurs Cretaceous Period Dinosaurs wiped out, K-T extinction event, 65.5mya Cenozoic Era Paleogene Period Paleocene Epoch Eocene Epoch Oligocene Epoch Neogene Period Miocene Epoch Pliocene Epoch Pleistocene Epoch–Humans start out here Holocene Epoch–Where we are now.

From Wikipedia Here Archaeological ages Paleolithic Introduction of stone tools 2.5 -mya Lower Middle Upper Mesolithic Some notable Mesolithic sites: Bronze Age (4000 to 1200 BC) Written history begins about 3500-3000 BC Iron Age (1200 BC) West Africa, perhaps Armenian area also.

Prolonged presence has been attested for Homo antecessor (or Homo erectus antecessor, Homo heidelbergensis and Neanderthals.

Homo neanderthalensis emerged in Eurasia between 350,000 and 600,000 years ago as the earliest body of European people, that left behind a substantial tradition, a set of evaluable historic data through rich fossil record in Europe's limestone caves and a patchwork of occupation sites over large areas, including Mousterian cultural assemblages.

It is quite large being around 24 cm long, 13 cm wide, and 3 cm think, and would have been “re-touched” using a soft hammer percussion flaking tool made of either antler, bone, ivory or wood (so-called ).

The making of tools is a complex activity, and confirms early human settlement in the region.A large number of stone tools have been found in sediment deposits in northern China.More than 400 fragments have been found in a stratum of sediment thought to have formed 15 million years ago. (Anthropology & Ethnology) the cultural period that lasted in SW Asia from about 9000 to 6000 bc and in Europe from about 4000 to 2400 bc and was characterized by primitive crop growing and stock rearing and the use of polished stone and flint tools and weapons2.(Archaeology) the cultural period that lasted in SW Asia from about 9000 to 6000 bc and in Europe from about 4000 to 2400 bc and was characterized by primitive crop growing and stock rearing and the use of polished stone and flint tools and weapons The period of human culture that began around 10,000 years ago in the Middle East and later in other parts of the world.

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