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  2. Phenocryst - Wikipedia

    en.wikipedia.org/wiki/Phenocryst

    This granite, from the Swiss side of the Mont Blanc massif, has large white phenocrysts of plagioclase (that have trapezoid shapes when cut through). 1 euro coin ( diameter 2.3 cm) for scale. A phenocryst is an early forming, relatively large and usually conspicuous crystal distinctly larger than the grains of the rock groundmass of an igneous ...

  3. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    The Blue Mountain or Blue Ridge region, like the ridgelines to its north and west, is one of a series of near parallel ridges that run for tens of miles, and are equally likely to be called Ridge or Mountain. Hence Blue Mountain is not to be confused with the Blue Ridge Mountains but instead, represents the sharp escarpment, a step in elevation ...

  4. Blue Ridge Communications - Wikipedia

    en.wikipedia.org/wiki/Blue_Ridge_Communications

    Blue Ridge Communications is a regional cable television, Internet and voice over IP provider that serves much of the Poconos area and central Pennsylvania in the United States. Products available include analog and digital cable television, HD television programming, PenTeleData Broadband Internet service, and Blue Ridge digital phone service.

  5. Geology and geological history of California - Wikipedia

    en.wikipedia.org/wiki/Geology_and_geological...

    The oldest rocks in California date back 1.8 billion years to the Proterozoic and are found in the San Gabriel Mountains, San Bernardino Mountains, and Mojave Desert.The rocks of eastern California formed a shallow continental shelf, with massive deposition of limestone during the Paleozoic, and sediments from this time are common in the Sierra Nevada, Klamath Mountains and eastern Transverse ...

  6. Adelphia Communications Corporation - Wikipedia

    en.wikipedia.org/wiki/Adelphia_Communications...

    Adelphia Communications Corporation was an American cable television company with headquarters in Coudersport, Pennsylvania. It was founded in 1952 by brothers Gus and John Rigas after the pair purchased a cable television franchise for US$300. Combining various cable properties, the company became one of the most successful in the United ...

  7. Blue Ridge Mountains - Wikipedia

    en.wikipedia.org/wiki/Blue_Ridge_Mountains

    The Blue Ridge contains the highest mountains in eastern North America south of Baffin Island. About 125 peaks exceed 5,000 feet (1,500 m) in elevation. [6] The highest peak in the Blue Ridge (and in the entire Appalachian chain) is Mount Mitchell in North Carolina at 6,684 feet (2,037 m).

  8. Ephrata, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Ephrata,_Pennsylvania

    Ephrata's population has steadily grown over the last century. In 1900, 2,452 people lived there, and by 1940, the population had increased to 6,199. The population was 13,818 at the 2020 census. [4] Ephrata is the most populous borough in Lancaster County. Ephrata's sister city is Eberbach, Germany, the city where its founders originated.

  9. Moro Rock - Wikipedia

    en.wikipedia.org/wiki/Moro_Rock

    Moro Rock is a granite dome rock formation in Sequoia National Park, California, United States. It is located in the center of the park, at the head of Moro Creek, between Giant Forest and Crescent Meadow. A stairway, designed by the National Park Service and