erg
The erg is a unit of energy equal to 10−7joules (100 nJ). It originated in the Centimetre–gram–second system of units (CGS). It has the symbol ''erg''. The erg is not an SI unit. Its name is derived from (), a Greek word meaning 'work' o ...
or field of sand dunes in the
Sahara Desert
, photo = Sahara real color.jpg
, photo_caption = The Sahara taken by Apollo 17 astronauts, 1972
, map =
, map_image =
, location =
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. Situated in the
Illizi Province
Illizi ( ar, ولاية اليزي) is a large province ('' wilaya'') in the south-eastern corner of Algeria named after its eponymous seat.
It borders Ouargla Province to the north, Tunisia to the extreme northeast, Libya to the east, Djanet ...
west of the oasis town of
Djanet
Djanet ( ar, جانت) is an oasis city, and capital of Djanet District as well as of Djanet Province, southeast Algeria. It is located south of Illizi. According to the 2008 census it has a population of 14,655, up from 9,699 in 1998, and an ...
, the erg covers an area some 20 km wide by some 100 km large north to south. It originates in the centre of
Tassili n'Ajjer
Tassili n'Ajjer ( Berber: ''Tassili n Ajjer'', ar, طاسيلي ناجر; "Plateau of rivers") is a national park in the Sahara desert, located on a vast plateau in southeastern Algeria. Having one of the most important groupings of prehistoric ...
, towards ''Essendilène'' and extends southwards to reach
Ténéré
The Ténéré (Tuareg: Tenere, literally: "desert") is a desert region in the south central Sahara. It comprises a vast plain of sand stretching from northeastern Niger into western Chad, occupying an area of over . The Ténéré's boundaries are ...
at the
Niger
)
, official_languages =
, languages_type = National languagesAssemblages of
lithic industry :''Not to be confused with industrial archaeology, the archaeology of (modern) industrial sites.''
In the archaeology of the Stone Age, an industry or technocomplex is a typological classification of stone tools.
An industry consists of a nu ...
have been discovered, such as
Acheulean
Acheulean (; also Acheulian and Mode II), from the French ''acheuléen'' after the type site of Saint-Acheul, is an archaeological industry of stone tool manufacture characterized by the distinctive oval and pear-shaped " hand axes" associat ...
and
Aterian
The Aterian is a Middle Stone Age (or Middle Palaeolithic) stone tool industry centered in North Africa, from Mauritania to Egypt, but also possibly found in Oman and the Thar Desert. The earliest Aterian dates to c. 150,000 years ago, at th ...
hand axe
A hand axe (or handaxe or Acheulean hand axe) is a prehistoric stone tool with two faces that is the longest-used tool in human history, yet there is no academic consensus on what they were used for. It is made from stone, usually flint or che ...
s. To the east of ''Erg Admer'' there is the Tighaghart with
La vache qui pleure
''La vache qui pleure'' is the ninth album by Kate & Anna McGarrigle, released in 2003. It is named after the prehistoric bas-relief (stone carving) of La vache qui pleure near Djanet in the south of Algeria which is pictured on the album cover. ...
rock gravings.
Joseph Ki-Zerbo
Joseph Ki-Zerbo (June 21, 1922 – December 4, 2006, Burkina Faso) was a Burkinabé historian, politician and writer. He is recognized as one of Africa's foremost thinkers.
From 1972 to 1978 he was professor of African History at the University o ...
, ''General History of Africa I. Methodology and African History'', éditions Abridged, 1990, , .