A petroglyph is an image created by removing part of a rock surface by incising, picking, carving, or abrading, as a form of rock art. Outside North America, scholars often use terms such as "carving", "engraving", or other descriptions of the technique to refer to such images. Petroglyphs, estimated to be 20,000 years old are classified as protected monuments and have been added to the tentative list of UNESCO's World Heritage Sites. Petroglyphs are found worldwide, and are often associated with prehistoric peoples. The word comes from the Greek prefix petro-, from πέτρα petra meaning "stone", and γλύφω glýphō meaning "carve", and was originally coined in French as pétroglyphe.
In archaeology, rock arts are human-made markings placed on natural surfaces, typically vertical stone surfaces. A high proportion of surviving historic and prehistoric rock art is found in caves or partly enclosed rock shelters; this type also may be called cave art or parietal art. A global phenomenon, rock art is found in many culturally diverse regions of the world. It has been produced in many contexts throughout human history. In terms of technique, the four main groups are:
Gilf Kebir is a plateau in the New Valley Governorate of the remote southwest corner of Egypt, and southeast Libya. Its name translates as "the Great Barrier". This 7,770 km2 (3,000 sq mi) sandstone plateau, roughly the size of Puerto Rico, rises 300 m (980 ft) from the Libyan Desert floor. It is the true heart of the Gilf Kebir National Park.
Saharan rock art is a significant area of archaeological study focusing on artwork carved or painted on the natural rocks of the central Sahara desert. The rock art dates from numerous periods starting c. 12,000 years ago, and is significant because it shows the culture of ancient African societies.
The Cataracts of the Nile are shallow lengths of the Nile river, between Khartoum and Aswan, where the surface of the water is broken by many small boulders and stones jutting out of the river bed, as well as many rocky islets. In some places, these stretches are punctuated by whitewater, while at others the water flow is smoother but still shallow.
Uan Muhuggiag is an archaeological site in Libya that was occupied by pastoralists between the early Holocene and mid-Holocene; the Tashwinat mummy, which was found at Uan Muhuggiag, was dated to 5600 BP and presently resides in the Assaraya Alhamra Museum in Tripoli.
The Cave of Swimmers is a cave with ancient rock art in the mountainous Gilf Kebir plateau of the Libyan Desert section of the Sahara. It is located in the New Valley Governorate of southwest Egypt, near the border with Libya.
The rock art of the Djelfa region in the Ouled Naïl Range (Algeria) consists of prehistoric cave paintings and petroglyphs dating from the Neolithic age which have been recognized since 1914. Following the Saharan Atlas Mountains they follow on from those, to the west, of south Oran, to which they are related. Comparable engravings have also been described further to the east, in the Constantine (Algeria) region.
Bubalus, Bubaline, or Large Wild Fauna rock art is the earliest form of Central Saharan rock art, created in an engraved style, which have been dated between 12,000 BCE and 8000 BCE. The Bubaline Period is followed by the Kel Essuf Period. As the animal world is particularly emphasized in Bubaline rock art, animal depictions are usually shown in larger scale than human depictions. Bubaline rock art portrays a few geometric designs and naturalistic outlined depictions of animals, such as antelope, aurochs, buffalos, donkeys, elephants, fish, giraffes, hippopotamuses, ostriches, and rhinoceroses.
The Nile River is a major resource for the people living along it, especially thousands of years ago. The El Salha Archaeological Project discovered an abundance of evidence of an ancient boat that traveled the Nile River dating back to 3,000 years ago. Pictographs and pebble carvings were uncovered, indicating a boat more advanced than a simple canoe. This evidence of a progressed Nile boat includes a steering system which may have been used in the Nile for fishing and transportation.
Sabu is a village located in the Nile Valley of northern Sudan approximately 600 kilometres northwest of Khartoum. It is best known for the nearby Sabu-Jaddi site containing hundreds of Neolithic-era rock-art panels depicting giraffes, New Kingdom ships, and Christian churches. The site has yet to be systematically studied by archaeologists and is currently threatened by the $705 million Kajbar Dam project, which scientists say will flood the site within six years.
The Tadrart Rouge or Southern Tadrart or Algerian Tadrart or Meridional Tadrart is a mountain range in southeastern Algeria, part of the Algerian Desert. The area has a rich array of rock art.
The Cave of the Beasts is a huge natural rock shelter in the Western Desert of Egypt featuring Neolithic rock paintings, more than 7,000 years old, with about 5,000 figures.
About 25 km from the oasis of Djanet in southeast Algeria, on the eastern border of erg Admer towards Tassili n'Ajjer in the Tigharghart region, stands a large sand monolith. On one side of the rocks of the monolith are the rock engravings of La vache qui pleure, dated more than 7000 years ago.
Wadi Hamra is a valley of Gilf Kebir, in New Valley Governorate in the extreme south-west of Egypt. It is known for its vegetation and rock encarvings.
The visual arts of Sudan encompass the historical and contemporary production of objects made by the inhabitants of today's Republic of the Sudan and specific to their respective cultures. This encompasses objects from cultural traditions of the region in North-East Africa historically referred to as the Sudan, including the southern regions that became independent as South Sudan in 2011.
Pastoral rock art is the most common form of Central Saharan rock art, created in painted and engraved styles depicting pastoralists and bow-wielding hunters in scenes of animal husbandry, along with various animals, spanning from 6300 BCE to 700 BCE. The Pastoral Period is preceded by the Round Head Period and followed by the Caballine Period. The Early Pastoral Period spanned from 6300 BCE to 5400 BCE. Domesticated cattle were brought to the Central Sahara, and given the opportunity for becoming socially distinguished, to develop food surplus, as well as to acquire and aggregate wealth, led to the adoption of a cattle pastoral economy by some Central Saharan hunter-gatherers of the Late Acacus. In exchange, cultural information regarding utilization of vegetation in the Central Sahara was shared by Late Acacus hunter-gatherers with incoming Early Pastoral peoples.
The rock engravings of Oued Djerat, located in the Tassili n'Ajjer, Algeria, and dated to the Neolithic period, have many affinities with those of the South Oranese (Algeria) and the Fezzan (Libya). According to Henri Lhote, they date back more than 7000 years.
Darb El Arba'īn is the easternmost of the great north–south Trans-Saharan trade routes. The Darb El Arba'īn route was used to move trade goods, livestock and slaves via a chain of oases from the interior of Africa to portage on the Nile River and thence to the rest of the world.
The International Campaign to Save the Monuments of Nubia was the relocation of 22 monuments in Lower Nubia, in Southern Egypt and northern Sudan, between 1960 and 1980. This was done in order to make way for the building of the Aswan Dam, at the Nile's first cataract which was a necessary infrastructure project following the 1952 Egyptian Revolution. This project was undertaken under UNESCO leadership and a coalition of 50 countries. This process led to the creation of the World Heritage Convention in 1972, and thus the system of UNESCO World Heritage Sites.
