Search results
Results from the WOW.Com Content Network
Valsequillo, area of the findings. Hueyatlaco is an archeological site in the Valsequillo Basin near the city of Puebla, Mexico.After excavations in the 1960s, the site became notorious due to geochronologists' analyses, which have found wildly contradictory estimates for human habitation at Hueyatlaco dating from ca. 370,000 to 25,000 years before present (ybp).
The Greeks and Romans, at least from the Hellenistic period onward, used Neolithic stone axeheads for the apotropaic protection of buildings. [6] A 1985 survey of the use of prehistoric axes in Romano-British contexts found forty examples, of which twenty-nine were associated with buildings including villas, military structures such as barracks, temples, and kilns.
Bone awls tend to be classified according to the characteristics of the bone used to make the awl. Many bone awls retain an epiphysis, or rounded end of a bone. Although authors have differing theories as to the uses of bone awls, the two main uses agreed upon are as manipulators in the making of basketry and as perforators in the working of ...
Bone is also made of both mineral and carbon-based materials; the mineral-based are calcium, phosphorus, and fluoride; the carbon-based is the protein ossein. Bone also includes the mineral hydroxyapatite, "A calcium phosphate mineral which forms a hard outer covering over the collagen and protein matrix," [1] or organic material.
The Ishango bone on exhibition at the Royal Belgian Institute of Natural Sciences. The Ishango bone, discovered at the "Fisherman Settlement" of Ishango in the Democratic Republic of the Congo, is a bone tool and possible mathematical device that dates to the Upper Paleolithic era. [1]
The Ashfall Fossil Beds of Antelope County in northeastern Nebraska are rare fossil sites of the type called lagerstätten that, due to extraordinary local conditions, capture an ecological "snapshot" in time of a range of well-preserved fossilized organisms.
Estimated to be around 13,900 years old, the carved bone tip would’ve been fixed to the end of a spear or similar weapon wielded by one of the continent’s first human inhabitants — even ...
Scapulimancy (also spelled scapulomancy and scapulamancy, also termed omoplatoscopy or speal bone reading) is the practice of divination by use of scapulae or speal bones (shoulder blades). It is most widely practiced in China and the Sinosphere as oracle bones , but has also been independently developed in other traditions including the West .