bifacial core
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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
Ockbrook — Coordinates: 52°55′05″N 1°22′37″W / 52.9181°N 1.377°W / 52.9181; 1.377 … Wikipedia
Middle Paleolithic — Bifacial points, engraved ochre and bone tools from the c. 75 80,000 year old M1 M2 phases at Blombos cave. The Paleolithic This box … 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
Liliopsida — ? Monocotiledóneas … Wikipedia Español
South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… … Universalium
Obsidian use in Mesoamerica — Obsidian projectile point. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and… … Wikipedia
Clovis culture — … Wikipedia
Clactonian — The Stone Age This box: view · talk · edit ↑ before Homo (Pliocen … Wikipedia
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium
