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Ötzi's copper axe was of particular interest. His axe's haft is 60 cm (24 in) long and made from carefully worked yew with a right-angled crook at the shoulder, leading to the blade. The 9.5-centimetre-long (3.7 in) axe head is made of almost pure copper. [56] It was produced through casting and did not undergo mechanical hardening.
In 2008, a copper axe was found at Pločnik that was dated to 5,500 BC. This pushed back the start of the Copper Age by 500 years. A study published in December 2013 reported an in situ discovery of a tin bronze foil from Plocnik dated to c. 4650 BC. This is the oldest tin bronze so far found in the world - a significant technological advance.
The Copper Age, also called the Eneolithic or the Chalcolithic Age, has been traditionally understood as a transitional period between the Neolithic and the Bronze Age, in which a gradual introduction of the metal ( native copper) took place, while stone was still the main resource utilized. Recent archaeology has found that the metal was not ...
The Indian Knoll site, designated 15OH2, is located in the Ohio Valley of west central Kentucky near Green River. This area is known as the "shell mound region" because of the large shell middens, or deposits of shell that were disposed of by the indigenous people that lived there. [2] : 115 Though there is evidence of earlier settlement, this ...
Glover's Cave. Glover's Cave is part of an extensive natural karst system that extends from Christian to Todd counties in Kentucky. Over 3.2 km of the cave have been surveyed. [1] The cave was used for many purposes since its discovery by Native American Indians. They inhabited a major entrance to the cave from about 10,000 years ago until ...
The Old Copper complex or Old Copper culture is an archaeological culture from the Archaic period of North America's Great Lakes region. Artifacts from some of these sites have been dated from 7500 to 1000 BCE. [1] [page needed] It is characterized by widespread copper artifacts, including tools and weapons, as well as ornamental objects.
Bannerstone. Archaic period double-notched butterfly bannerstone from Ohio, ca. 2000 BC. Made of banded slate, a material frequently used in bannerstone manufacture. Bannerstones were used in North America for some 3,000 years beginning in the fourth millennium BC. [1] Bannerstone, Ferruginous quartz, 2nd millennium BC. Found in Illinois.
The European Battle Axe culture used stone axes modeled on copper axes, even with moulding carved in the stone. [16] Ötzi the Iceman, who was found in the Ötztal Alps in 1991 and whose remains have been dated to about 3300 BC, was found with a Mondsee copper axe. A painting of a Copper Age walled settlement, Los Millares, Spain