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  2. Quartzite - Wikipedia

    en.wikipedia.org/wiki/Quartzite

    Quartzite is a very hard rock composed predominantly of an interlocking mosaic of quartz crystals. The grainy, sandpaper-like surface is glassy in appearance. Minor amounts of former cementing materials, iron oxide, silica, carbonate and clay, often migrate during recrystallization, causing streaks and lenses to form within the quartzite. [ 1 ]

  3. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    Epidosite – Hydrothermally altered epidote- and quartz-bearing rock; Felsite – Very fine-grained volcanic rock that sometimes contains larger crystals; Flint – Cryptocrystalline form of the mineral quartz; Ganister – Hard, fine-grained quartzose sandstone, or orthoquartzite; Gossan – Intensely oxidized, weathered or decomposed rock

  4. Crystal Peak Dolomite - Wikipedia

    en.wikipedia.org/wiki/Crystal_Peak_Dolomite

    It separates the Watson Ranch Quartzite tongue of Swan Peak Quartzite from the younger Eureka Quartzite. The stratum generally consists of brown, gray to black, usually fine- to medium-grained, but may be coarse-grained, dolomite. Thin [about 6 feet (1.8 m) thick] quartz sandstone and siltstone occur about 50 feet (15 m) from base. The layer is ...

  5. Mineralogy of the Pikes Peak Region - Wikipedia

    en.wikipedia.org/wiki/Mineralogy_of_the_Pikes...

    Crystal Peak is one of the most famous mineral collecting localities in Colorado. Specimens from Crystal Peak are sometimes referred to as coming from Lake George or Florissant, but the actual collecting area is located near Crystal Peak. The area has produced some of the finest smoky quartz and amazonite specimens in the world.

  6. Gombak Selangor Quartz Ridge - Wikipedia

    en.wikipedia.org/wiki/Gombak_Selangor_Quartz_Ridge

    The Titiwangsa Mountains as viewed from Kuala Lumpur, with the ridge visible Part of the ridge as seen from a residential block of the IIUM. The Klang Gates Quartz Ridge (Malay: Permatang Kuartza Genting Klang) is a quartz dyke that runs through northeast of Kuala Lumpur and the state of Selangor, Malaysia within Bukit Lagong-Kanching-Klang Gates region.

  7. Hedge funder famous for his ‘black swan’ strategy says there ...

    www.aol.com/finance/hedge-funder-famous-black...

    Hedge funder famous for his ‘black swan’ strategy says there’s ‘something immoral’ about America’s reliance on debt—and future generations ‘will bear the burden for this’ Will Daniel

  8. Rib Mountain State Park - Wikipedia

    en.wikipedia.org/wiki/Rib_Mountain_State_Park

    Rib Mountain State Park is a 1,528-acre (618 ha) Wisconsin state park near the city of Wausau.The park includes a ski resort, Granite Peak Ski Area, concession stand, picnic areas, a reservable amphitheater, a former quarry, observation tower, and 15.1 miles of trails.

  9. Rwenzori Mountains - Wikipedia

    en.wikipedia.org/wiki/Rwenzori_Mountains

    Rwenzori in larger geographical context Margherita Peak on Mount Stanley is the highest point in the range.. The mountains formed about three million years ago in the late Pliocene epoch and are the result of an uplifted block of crystalline rocks including gneiss, amphibolite, granite and quartzite.