Search results
Results from the WOW.Com Content Network
When mashing up seeds and leaves into powders, rounded and smooth ground stones would be used inside a stone bowl. This pair of tools is called a mortar and pestle. The material would be placed into the mortar and the pestle would be moved and pressed into the mortar to grind the material into a fine powder.
Burin from the Upper Paleolithic (Gravettian) (ca. 29,000–22,000 BP). In archaeology and the field of lithic reduction, a burin / ˈ b juː r ɪ n / (from the French burin, meaning "cold chisel" or modern engraving burin) is a type of stone tool, a handheld lithic flake with a chisel-like edge which prehistoric humans used for carving or finishing wood or bone tools or weapons, and sometimes ...
Note the two sieves catching charred seeds and charcoal, and the bags of archaeological sediment waiting for flotation. Paleoethnobotany (also spelled palaeoethnobotany), or archaeobotany , is the study of past human-plant interactions through the recovery and analysis of ancient plant remains.
Three Olmec celts. The one in the foreground is incised with an image of an Olmec figure. Celts from Transylvania. In archaeology, a celt / ˈ s ɛ l t / is a long, thin, prehistoric, stone or bronze tool similar to an adze, hoe, or axe.
The two were in early times used in conjunction with each other. Third is the seed drill ard, used specifically in Mesopotamia, which added a funnel for dropping seed in the furrows as the ard cut them. Basic ard types: 1 - bow ard 2 - body ard 3 - sole ard [5] The earliest and most basic tilth ards are the two-piece models:
A sharp wood chisel in combination with a forstner wood drill bit is used to form this mortise for a half-lap joint in a timber frame. Parts of a wood chisel. Woodworking chisels range from small hand tools for tiny details, to large chisels used to remove big sections of wood, in 'roughing out' the shape of a pattern or design.
Miners accidentally uncovered a mummified wooly rhinoceros and a preserved horn at a dig site in Russia. Under special conditions, permafrost mummifies plant and animal remains through a process ...
Ashlar (/ ˈ æ ʃ l ər /) is a cut and dressed stone, worked using a chisel to achieve a specific form, typically rectangular in shape. The term can also refer to a structure built from such stones. [1] Ashlar is the finest stone masonry unit, and is generally rectangular .