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It contains a megalithic stone circle, colloquially known as the Amazon Stonehenge, consisting of 127 blocks of granite, each up to 4 meters tall, standing upright in a circle measuring over 30 meters in diameter at the bank of the Rego Grande river on a hilltop. Archaeologists believe that this site was built by indigenous peoples for ...
The Vietnam Veterans Memorial, a two-acre (8,100 m 2) site in Washington, D.C. featuring two black granite walls engraved with the names of those service members who died or remain missing in the Vietnam War. In the construction industry, black rocks that share the hardness and strength of granitic rocks are known as black granite.
Located in the Tijuca Range, [5] Pedra da Gávea is 842 m (2,762 ft) tall, and is a granite dome. [3] The flat top of the mountain is capped with a 150 m tall layer of granite, whereas underneath, the mound is made up of gneiss. [6] [7] The former dates to around 450 million years ago, whereas the latter dates to 600 million years. [5]
Formed between the Mesozoic and Cenozoic, Brazil has numerous offshore basins that contain oil, related to the rifting of the Atlantic Ocean. The Sergipe-Alagoas Basin is an example of Aptian age shale, conglomerate and sandstone deposited in the final phase of rifting, while the Miranga, Aracas, Dom Joao and Agua Grande fields reflect mid ...
Granite (/ ˈ ɡ r æ n ɪ t / GRAN-it) is a coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase.It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground.
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The Brazilian Black Front (Frente Negra Brasileira), Brazil's first black political party, was founded in 1931 to fight racism but was disbanded six years later during Getúlio Vargas's New State period (1937–1945), which restricted political activities. Although this period was repressive, Vargas's 1931 Law of Naturalization of Labor ...
African slaves in Brazil from several nations (Rugendas, c. 1830).Overall, both in colonial times and in the 19th century, the cultural identity of European origin was the most valued in Brazil, while Afro-Brazilian cultural manifestations were often neglected, discouraged and even prohibited.