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Photo of Carnot
Carbonado diamondites (small specimen at top: 4.05 carats and 9x9x6 mm in size; medium-sized specimen at left: 4.07 carats and 10x13x7 mm in size; large specimen at right: 5.09 carats and 12x6x6 mm in size). Diamondites are rare, polycrystalline, nearly monomineralic diamond rocks. The term “diamond” refers to a mineral, while the term “diamondite” refers to a diamond rock. The three diamondites depicted here are a variety referred to as “carbonados” in the diamond trade. Carbonados are typically a dark brown to blackish color. The shiny luster seen in the specimens below is typical for carbonados (adamantine luster). Individual diamond crystals in carbonado diamondites are exceedingly small, typically <20 m. Carbonados are also characterized by having obvious porosity in all portions of the rock (see pits in specimens shown here). Despite a relative abundance of published research, the origin of carbonado diamondites is still unresolved. Some workers interpret them as being crustal in origin. Some consider them to have a mantle origin. Some suggest that they are impact-generated. Recent research has indicated that carbonado diamondites are extraterrestrial - extrasolar, in fact (apparently supernova-generated). True carbonado diamondites have only been recorded from Brazil and the Central African Republic (CAR). Considering South America & Africa were physically connected for a long time while a part of the ancient Gondwana continent, these two carbonado occurrences may ultimately represent one deposit. The specimens shown here are from the CAR. In the CAR, carbonado diamondites are recovered from modern to subrecent alluvial gravels (placer deposits) below the topsoil. They are only found in & immediately adjacent to the outcrop belt of the Carnot Formation (Cretaceous). The Carnot Formation is an ancient fluvial & lacustrine siliciclastic unit that hosts scattered diamonds & carbonados. Upon weathering & erosion, any included diamonds in the Carnot Formation enter modern river systems’ sediment loads. Age: carbonado diamondites are exceedingly old. Published research indicates they are 3.2 billion years old (mid-Mesoarchean). Locality: unrecorded locality in the “Bangui region” (area between the cities of Bangui and Berberati), southwestern Central African Republic, central Africa.
Sujet : Villages -- République centrafricaine Malles -- République centrafricaine Porteurs -- République centrafricaine Carnot Congo français Paysages Appartient à l’ensemble documentaire : PhoVerre3 Couverture : République centrafricaine Langue : français
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AfricaCentral African RepublicMambéré

Carnot

Mambéré, Central African Republic · Africa

About Carnot

Carnot sits on the route: 1 hours from Berbérati.

Carnot is in Mambéré, Central African Republic, with about 130,000 people. The nearest town is Berbérati, about 76 km away.

Carnot is a city located in the south west of the Central African Republic (CAR), in the prefecture of Mambéré. It has a population of 54,551 (2012 census), making it the fourth largest city in CAR by population. The city takes its name as a tribute to the assassinated French President Sadi Carnot. The city is

Read more situated on the eastern bank of the Mambéré river, and is served by Carnot Airport. Yams, cassava, and cotton are cultivated, and cattle are reared in the area. The region lacks a functioning health service and is affected by an extremely high mortality rate and a high disease burden of malaria, HIV and tuberculosis.

Read more on Wikipedia

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Carnot is in Mambéré, Central African Republic, about 76 km from Berbérati.

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Quick Information

Population
129,032
Continent
Africa
Country
Central African Republic
Region
Mambéré
Timezone
Africa/Bangui
Coordinates
4.9427, 15.8773

Tags

AfricaCentral African RepublicMambéréCity

When to drive here

Year-round

Tropical latitude: plan around the wet season rather than temperature.

Nearby Destinations

Other places to explore near Carnot.

Bouar

🇨🇫 Central African Republic

115 km awayPop. 71,680

Nola

🇨🇫 Central African Republic

159 km awayPop. 31,923

Yokadouma

🇨🇲 Cameroon

183 km awayPop. 32,900

Bossangoa

🇨🇫 Central African Republic

245 km awayPop. 55,353

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Data sources:GeoNames (CC BY 4.0)•Wikimedia Commons (CC BY-SA)•Mapbox•Photography: George Lawrence