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  2. Black Stone - Wikipedia

    en.wikipedia.org/wiki/Black_Stone

    The Black Stone is seen through a portal in the Kaaba. The Black Stone (Arabic: ٱلْحَجَرُ ٱلْأَسْوَد, romanized: al-Ḥajar al-Aswad) is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Mecca, Saudi Arabia.

  3. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    Nephelinite – Igneous rock made up almost entirely of nepheline and clinopyroxene – A silica-undersaturated plutonic rock with >90% nepheline; Norite – Mafic intrusive igneous rock – A hypersthene-bearing gabbro; Obsidian – Naturally occurring volcanic glass; Pegmatite – Igneous rock with very large interlocked crystals

  4. Moeraki Boulders - Wikipedia

    en.wikipedia.org/wiki/Moeraki_Boulders

    The rock comprising the bulk of a boulder is riddled with large cracks called septaria that radiate outward from a hollow core lined with scalenohedral calcite crystals. The process or processes that created septaria within Moeraki Boulders, and in other septarian concretions, remain an unresolved matter for which a number of possible ...

  5. List of individual rocks - Wikipedia

    en.wikipedia.org/wiki/List_of_individual_rocks

    Anorthosite Moon rock collected by Apollo 16 astronauts. It is approximately 3.9 billion years old and is the largest Moon rock brought from the Moon. Black Rock: Tooele County, Utah, United States: Large rock on the shoreline of Great Salt Lake. Black Stone: Kaaba, Great Mosque, Mecca, Saudi Arabia: A highly respected Islamic stone set in the ...

  6. Black Rock Desert - Wikipedia

    en.wikipedia.org/wiki/Black_Rock_Desert

    The Black Rock Desert is a semi-arid region (in the Great Basin shrub steppe ecoregion) of lava beds and playa, or alkali flats, situated in the Black Rock Desert–High Rock Canyon Emigrant Trails National Conservation Area, a silt playa 100 miles (160 km) north of Reno, Nevada, that encompasses more than 300,000 acres (120,000 ha) of land and contains more than 120 miles (200 km) of historic ...

  7. List of rock formations - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_formations

    Rocks formations and the Dedo de Deus (God's Finger) peak in the background, Serra dos Órgãos National Park, Rio de Janeiro state, Brazil Raouché or Pigeons' Rock in Beirut, Lebanon Druid Arch, Canyonlands National Park, Utah, US View of Meteora, Greece Rock formations in Ongamira Valley, Sierras de Córdoba, Argentina Belogradchik Rocks, Balkan Mountains, Bulgaria "Jaws", an erosional fin ...

  8. Okotoks Erratic - Wikipedia

    en.wikipedia.org/wiki/Okotoks_Erratic

    Big Rock is located along the side of Highway 7, and public parking is available at the turn-off. Despite the presence of a fence around Big Rock and a sign telling people not to climb, many tourists, who visit the rock, ignore the warnings to either boulder or climb the 9 m (30 ft) tall erratic. [5] [12]

  9. Scoria - Wikipedia

    en.wikipedia.org/wiki/Scoria

    Scoria or cinder is a pyroclastic, highly vesicular, dark-colored volcanic rock formed by ejection from a volcano as a molten blob and cooled in the air to form discrete grains called clasts. [1] [2] It is typically dark in color (brown, black or purplish-red), and basaltic or andesitic in composition.

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