Ahaggar

Ahaggar
Hoggar
Bergsmassiv
Ahaggar
Ahaggar
Land Algeriet Algeriet
Provins Tamanrasset
Koordinater 23°17′N 05°32′Ö / 23.283°N 5.533°Ö / 23.283; 5.533
Högsta punkt Tahat
 - höjdläge 2 918 m ö.h.[1]
 - koordinater 23°17′23″N 05°32′01″Ö / 23.28972°N 5.53361°Ö / 23.28972; 5.53361
Area 50 000 km²
Geologi Gnejs, Granit, Vulkanisk bergart
Period Proterozoikum
Tidszon CET (UTC+1)
Geonames 2508584
Bergsmassivets läge i Algeriet
Bergsmassivets läge i Algeriet
Bergsmassivets läge i Algeriet

Ahaggar (även: Hoggar, arabiska: جبال هقار, berberspråk: idurar n Ahaggar, tuareg: Idurar Uhaggar) är ett bergsmassiv i centrala Sahara, sydöstra Algeriet.[1] Området är beläget omkring 1 500 kilometer söder om huvudstaden Alger, i trakten av Tamanrasset. Området är till största delen klippöken och den genomsnittliga höjden är mer än 900 meter över havet. Den högsta toppen, Tahat, är 2 918 meter över havet.[1]

Ahaggarområdet, som är ett välbesökt turistmål i Algeriet, har en befolkning av tuareger.

Historia

Vid Tassili n'Ajjer och Tassili du Hoggar finns minst 6 000 år gamla grottmålningar. Området är av Unesco registrerat som världsarv.[2]

Frankrike gjorde underjordiska atomsprängningsförsök i Ahaggarbergen tiden november 1961 till och med februari 1962.[2]

Geologi

Ahaggarbergen består huvudsakligen av graniter och kristallina bergarter.[1] Atakor eller Kuodia täcks dels av en basaltskorpa, dels av i tafelberg sönderskurna fonolitiska, andesitiska och trakytiska eruptiv, över vilka pelar- eller nålformiga kupper, rester efter vulkaner, reser sig med en relativ höjd upp till 500 m.[3]

Bergsmassivet är rikt på mineraler, bland annat har guld, volfram och uran påträffats.[1] Norr om Ahaggar har det hittats naturgas.[1]

Klimat

Klimatet är mycket varmt på sommaren, men på vintern kan temperaturen falla under 0 °C. Regn förekommer sällan och endast sporadiskt. Trots detta är klimatet mindre extremt än i de flesta andra områden i Sahara, vilket innebär att Ahaggar är en viktig plats för biodiversitet.

Galleri

Referenser

  1. ^ [a b c d e f] ”Ahaggar - Uppslagsverk - NE.se”. www.ne.se. https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/ahaggar. Läst 24 mars 2018. 
  2. ^ [a b] Editions Atlas, Lausanne: Min nya världsatlas, utgåva 2010, kort Nordafrika & Sahel→Berg→Alhaggar och Tibesti.
  3. ^ Svensk Uppslagsbok, Band 1, 1947-1955. (spalt 348)

Externa länkar

  • Wikimedia Commons har media som rör Ahaggar.

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