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Deux Mamelles
Deux Mamelles, Collines des Mamelles, or simply Mamelles are twin hills located in Ouakam, a suburban commune of Dakar, in the Cap-Vert peninsula, Senegal. These hills are of volcanic origin and they are the vestiges of a plateau from the early Quaternary. The highest hill is only high, but they stand out in the landscape owing to the flat surroundings. The name of these breast-shaped hills comes from the French term “Mamelle”, a name commonly applied in the French-speaking parts of the world to a breast. On the seaward hill stands a lighthouse, the Phare des Mamelles, while on the hill further ashore the African Renaissance Monument was erected and unveiled in 2010. See also *African Renaissance Monument * Breast-shaped hill *Cap-Vert (volcano) Cap-Vert is a volcanic field in Senegal with a surface of . The field covers the Cape Verde peninsula close to Dakar and was active until 600,000 years ago. It consists of a number of outcrops An outcrop or rocky outcrop i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pointe Des Almadies
Pointe des Almadies or Point Almadies ( " bark canoe point") is the westernmost point on the continent of Africa and of the Afro-Eurasian landmass, lying at 17.5 degrees west of the Greenwich meridian, 8 degrees further west than Cabo da Roca, mainland Europe's westernmost point. Pointe des Almadies is located on the north-western end of the Cap Vert peninsula in Senegal. Environs Pointe des Almadies lies within the greater Dakar urban area from the village of N'gor and the town of Yoff. Pointe des Almadies is a 30 minutes trip from downtown Dakar, Senegal's capital city, and is served by local transportation. The site itself is approximately from the Dakar-Yoff-Léopold Sédar Senghor International Airport. The Hôtel Méridien Présidentiel, the country's leading hotel and a major conference center, is located at Pointe des Almadies. Ecology An oceanic front exists in the waters off Pointe des Allmadies. The waters of the equatorial northern flank are measurably w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plateau
In geology and physical geography, a plateau (; ; ), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. Often one or more sides have deep hills or escarpments. Plateaus can be formed by a number of processes, including upwelling of volcanic magma, extrusion of lava, and erosion by water and glaciers. Plateaus are classified according to their surrounding environment as intermontane, piedmont, or continental. A few plateaus may have a small flat top while others have wide ones. Formation Plateaus can be formed by a number of processes, including upwelling of volcanic magma, extrusion of lava, Plate tectonics movements and erosion by water and glaciers. Volcanic Volcanic plateaus are produced by volcanic activity. The Columbia Plateau in the north-western United States is an example. They may be formed by upwelling of volcanic magma or extrusion of lava. The un ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cap-Vert (volcano)
Cap-Vert is a volcanic field in Senegal with a surface of . The field covers the Cape Verde peninsula close to Dakar and was active until 600,000 years ago. It consists of a number of outcrops An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth. Features Outcrops do not cover the majority of the Earth's land surface because in most places the bedrock or superficial ... and two high hills. The position of the dykes and lava flows has been influenced by local fault systems. References Sources * {{Senegal-geo-stub Pleistocene volcanoes Geography of Senegal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phare Des Mamelles
Les Mamelles Lighthouse (french: Phare des Mamelles) is a strategically important lighthouse situated near Cap Vert, the westernmost point of Africa, on the outskirts of Dakar the capital of Senegal. Completed in 1864, it has been described as "one of the world's great lighthouses, guiding ships around the western tip of Africa". It is located on the higher of the Deux Mamelles, a pair of prominent hills in Ouakam, a suburban commune of Dakar, 4 km southeast of Almadies and 9 km northwest of Dakar on the Cap-Vert peninsula. Description The completely white lighthouse consists of a ) cylindrical tower attached to the seaward side of a two-storey building. The ground floor contains the machine room housing a generator and battery backup set. On the second floor is the watch room, which is used by the duty keepers during the night. A spiral staircase climbs up to the lantern room, containing the Barbier, Benard, et Turenne 2nd order Fresnel lens that floats in a bath of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lighthouse
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mark dangerous coastlines, hazardous shoals, reefs, rocks, and safe entries to harbors; they also assist in aerial navigation. Once widely used, the number of operational lighthouses has declined due to the expense of maintenance and has become uneconomical since the advent of much cheaper, more sophisticated and effective electronic navigational systems. History Ancient lighthouses Before the development of clearly defined ports, mariners were guided by fires built on hilltops. Since elevating the fire would improve the visibility, placing the fire on a platform became a practice that led to the development of the lighthouse. In antiquity, the lighthouse functioned more as an entrance marker to ports than as a warning signal for reefs a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Breast
The breast is one of two prominences located on the upper ventral region of a primate's torso. Both females and males develop breasts from the same embryological tissues. In females, it serves as the mammary gland, which produces and secretes milk to feed infants. Subcutaneous fat covers and envelops a network of ducts that converge on the nipple, and these tissues give the breast its size and shape. At the ends of the ducts are lobules, or clusters of alveoli, where milk is produced and stored in response to hormonal signals. During pregnancy, the breast responds to a complex interaction of hormones, including estrogens, progesterone, and prolactin, that mediate the completion of its development, namely lobuloalveolar maturation, in preparation of lactation and breastfeeding. Humans are the only animals with permanent breasts. At puberty, estrogens, in conjunction with growth hormone, cause permanent breast growth in female humans. This happens only to a much lesser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quaternary
The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ago to the present. The Quaternary Period is divided into two epochs: the Pleistocene (2.58 million years ago to 11.7 thousand years ago) and the Holocene (11.7 thousand years ago to today, although a third epoch, the Anthropocene, has been proposed but is not yet officially recognised by the ICS). The Quaternary Period is typically defined by the cyclic growth and decay of continental ice sheets related to the Milankovitch cycles and the associated climate and environmental changes that they caused. Research history In 1759 Giovanni Arduino proposed that the geological strata of northern Italy could be divided into four successive formations or "orders" ( it, quattro ordini). The term "quaternary" was introduced by Jules Desnoye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanic
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
African Renaissance Monument
The African Renaissance Monument is a tall bronze statue located on top of one of the twin hills known as Collines des Mamelles, outside Dakar, Senegal. Built overlooking the Atlantic Ocean in the Ouakam suburb, the statue was designed by the Senegalese architect Pierre Goudiaby after an idea presented by president Abdoulaye Wade and built by Mansudae Overseas Projects, a company from North Korea. Site preparation on top of the 100-meter high hill began in 2006, and construction of the bronze statue began 2008. Originally scheduled for completion in December 2009, delays stretched into early 2010, and the formal dedication occurred on 4 April 2010, Senegal's "National Day", commemorating the 50th anniversary of the country's independence from France. It is the tallest statue in Africa. Construction The project was launched by then Senegalese president Abdoulaye Wade who considered it part of Senegal's prestige projects, aimed at providing monuments to herald a new era of Af ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Senegal
Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Renndaandi Senegaali); Arabic: جمهورية السنغال ''Jumhuriat As-Sinighal'') is a country in West Africa, on the Atlantic Ocean coastline. Senegal is bordered by Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest. Senegal nearly surrounds the Gambia, a country occupying a narrow sliver of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. Senegal also shares a maritime border with Cape Verde. Senegal's economic and political capital is Dakar. Senegal is notably the westernmost country in the mainland of the Old World, or Afro-Eurasia. It owes its name to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cap-Vert
Cap-Vert, or the Cape Verde Peninsula, is a peninsula in Senegal and the westernmost point of the continent of Africa and of the Afro-Eurasia mainland. Portuguese explorers called it Cabo Verde or "Green Cape". The Cape Verde islands, further west, are named after the cape. Dakar, the capital of Senegal, occupies parts including its southern tip. Formed by a combination of volcanic offshore islands and a land bridge produced by coastal currents, the cape projects into the Atlantic Ocean, bending back to the southeast at its tip. Exposure to southwesterly winds contributes to Cape Verde's seasonal verdant appearance, in contrast to the undulating yellow dunes to the north. The peninsula is shaped like a triangle (about per side), with the base of the triangle roughly along the north and its apex on the south, near Dakar. Near Pointe des Almadies, the north-western tip of the cape, lies Léopold Sédar Senghor International Airport, which was used as a transatlantic ferrying p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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