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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 ...
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]
Brazilianite crystals on muscovite, Galilea mine, Minas Gerais, Brazil. Brazilianite is typically found in granite pegmatite and it is often found within the cavities within the pegmatite where quartz, beryl and mica are also found. [7] Different habits of brazilianite have been found in different locations. Brazilianite is often found with ...
Green ubatuba, polished (size 12x10 cm) Green ubatuba (Port.verde ubatuba) is the commercial name of a Brazilian charnockite, although it is often sold as a granite.It comes from the Ubatuba area of Brazil, where it forms part of the Neoproterozoic Ribeira Belt. [1]
The green belt surrounding the Palace features exotic trees such as Madagascar's banana trees and incense trees, flowers like camellias, jasmins, manacas and emperor flowers. As a complement, granite pedestals where busts of mythological figures were placed, also won three fountains and four fountains.
First found in the United States, unakite has a worldwide distribution, having also been reported in South Africa, Sierra Leone, Brazil, China, India and Australia. Some material labeled unakite lacks the feldspar and is more properly called epidosite , and is also used as beads and cabochons .
Corcovado (Portuguese pronunciation: [koʁkoˈvadu]) which means "hunchback" in Portuguese, [1] is a mountain in central Rio de Janeiro, Brazil. It is a 710-metre (2,330-foot) granite peak located in the Tijuca Forest, a national park. Corcovado hill lies just west of the city center but is wholly within the city limits and visible from great ...
Uranium-lead dating has revealed two periods of acid magmatism in central Brazil, which produced the Goias tin province in granite and rhyolite. [3] The Pernambuco Shear Zone, or lineament, is a steeply-dipping ductile shear zone formed 600 million years ago during the Brasiliano orogeny.