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The shapes of stone tools found at Nok sites change little throughout the entire span of the Nok Culture. What tends to strike researchers is a lack of cutting tools. Apart from stone axes, no tools with a cutting edge have been found. Projectile points made of either iron or stone are also absent from Nok sites.
Patterned ground is the distinct and often symmetrical natural pattern of geometric shapes formed by the deformation of ground material in periglacial regions. It is typically found in remote regions of the Arctic , Antarctica , and the Outback in Australia , but is also found anywhere that freezing and thawing of soil alternate; patterned ...
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The rivers were ancient highways and trade routes, bringing humans from far and wide to the area. Some large boulders appear to be carved, chipped, or altered to look like turtle heads and other animals. A very wide variety of petroform shapes are found in the park, including snakes, turtles, geometric lines, patterns, and large circles.
A basic distinction is that between flaked or knapped stone, the main subject here, and ground stone objects made by grinding. Flaked stone reduction involves the use of a hard hammer percussor, such as a hammerstone, a soft hammer fabricator (made of wood, bone or antler), or a wood or antler punch to detach lithic flakes from the lithic core ...
Rocks formations and the Dedo de Deus (God's Finger) peak in the background, Serra dos Órgãos National Park, Rio de Janeiro state, Brazil Raouché or Pigeons' Rock in Beirut, Lebanon Druid Arch, Canyonlands National Park, Utah, US View of Meteora, Greece Rock formations in Ongamira Valley, Sierras de Córdoba, Argentina Belogradchik Rocks, Balkan Mountains, Bulgaria "Jaws", an erosional fin ...
Mask from Gabon Two Chiwara c. late 19th early 20th centuries, Art Institute of Chicago.Female (left) and male, vertical styles. Most African sculpture from regions south of the Sahara was historically made of wood and other organic materials that have not survived from earlier than a few centuries ago, while older pottery figures are found from a number of areas.
African art is produced using a wide range of materials and takes many distinct shapes. Because wood is a prevalent material, wood sculptures make up the majority of African art. Other materials used in creating African art include clay soil.