striking platform — noun : a prepared flat surface at right angles to the axis of a stone from which flakes are struck for the production of stone tools … Useful english dictionary
platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off… … Universalium
Crystal Palace Park Concert Platform — The Crystal Palace Park Concert Platform, located in Crystal Palace, London, is a striking structure, designed by Ian Ritchie Architects. The building was nominated for the RIBA s Stirling Prize award in 1998. The project received the Excellence… … Wikipedia
Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… … Universalium
Prepared-core technique — The prepared core technique is means of producing stone tools by first preparing common stone cores that can then be shaped into the desired implement.History of prepared core processingFirst evidenceAlthough there had been different types of… … Wikipedia
Acheulean — (also spelled Acheulian, pron en|əˈʃuːliən) is the name given to an archaeological industry of stone tool manufacture associated with prehistoric hominins during the Lower Palaeolithic era across Africa and much of West Asia and Europe. Acheulean … Wikipedia
Levallois technique — The Levallois technique is a name given by archaeologists to a distinctive type of flint knapping developed by humans during the Palaeolithic period.It is named after nineteenth century finds of flint tools in the Levallois Perret… … Wikipedia
Lithic flake — Flakes may be produced by a variety of means. Force may be introduced by direct percussion (striking the core with a percussor such as a rock or antler), indirect percussion (striking the core with an object, sometimes referred to as a punch,… … Wikipedia
Oldowan — The Stone Age This box: view · talk · edit ↑ before Homo (Pliocene) … Wikipedia
Creswellian — The Creswellian is a British Upper Palaeolithic culture named after the type site of Creswell Crags in Derbyshire by Dorothy Garrod in 1926. It dates to between c. 12,500 and 12,000 BP (uncalibrated) and was replaced by the Mesolithic Maglemosian … Wikipedia
