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2. Quartzite - Wikipedia

   en.wikipedia.org/wiki/Quartzite

   Quartzite. Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone. [1][2] Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts. Pure quartzite is usually white to grey, though quartzites often occur in various shades of pink and ...

3. Pedra Furada - Wikipedia

   en.wikipedia.org/wiki/Pedra_Furada

   Pedra Furada. Coordinates: 8°50′00″S 42°33′12″W. Stone arch at Pedra Furada. Pedra Furada (Portuguese pronunciation: [ˈpɛdɾɐ fuˈɾadɐ], meaning pierced rock) is an important collection of over 800 archaeological sites in the state of Piauí, Brazil. These include hundreds of rock paintings dating from circa 12,000 years before ...

4. Pedra da Gávea - Wikipedia

   en.wikipedia.org/wiki/Pedra_da_Gávea

   Pedra da Gávea is a monolithic mountain in Tijuca Forest, Rio de Janeiro, Brazil. Composed of granite and gneiss, its elevation is 844 metres (2,769 ft), making it one of the highest mountains in the world that ends directly in the ocean. [2] Trails on the mountain were opened up by the local farming population in the early 19th century; today ...

5. Scorzalite - Wikipedia

   en.wikipedia.org/wiki/Scorzalite

   Scorzalite ((Fe2+,Mg)Al2(OH,PO4)2) is a dark blue phosphate mineral containing iron, magnesium, and aluminium phosphate. Scorzalite forms one endmember of a solid solution series with the lighter, more magnesium-rich lazulite. Scorzalite crystallizes in the monoclinic system in a dipyramidal form.

6. Mysterious ancient ‘human face’ rock carvings revealed by ...

   www.aol.com/news/mysterious-ancient-human-face...

   October 25, 2023 at 2:58 AM. Receding water levels in the Brazilian Amazon due to historic levels of drought have revealed strange human faces sculpted into stone likely about 2,000 years ago ...

7. Ingá Stone - Wikipedia

   en.wikipedia.org/wiki/Ingá_Stone

   Ingá Stone. The Ingá Stone (Pedra do Ingá in Portuguese) is located in the middle of the Ingá River near the small city of Ingá, 96 kilometres (60 mi) from João Pessoa, in Paraíba State in the northeast of Brazil. The Ingá Stone is also called Itacoatiara do Ingá. The word Ita means "stone" in the Tupi language of the natives that ...