When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of quarries in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_quarries_in_the...

    Owens Quarry, a limestone quarry and crusher plant near Marion, Ohio, around which the community of Owens, Ohio grew. Ridgeway Site , in Hardin County, Ohio , a former archaeological site which, during excavation of its gravel, yielded numerous artifacts and buried bodies of the Glacial Kame culture , for which it is the type site.

  3. Marble Cliff Quarry Co. - Wikipedia

    en.wikipedia.org/wiki/Marble_Cliff_Quarry_Co.

    In the early 1840s, quarry activities began in the area to mine a narrow belt of Columbus and Delaware limestone [2] which stretched all the way from the Scioto River to the Olentangy River adjacent to Marble Cliff, Ohio. [citation needed] The Columbus formation stone was roughly 100 feet thick with the Delaware limestone deposit above at 16 to ...

  4. Flint Ridge State Memorial - Wikipedia

    en.wikipedia.org/wiki/Flint_Ridge_State_Memorial

    Old quarry pits are visible, and a museum is located on the site. Flint is a variety of quartz and the flint on the ridge is within the Vanport Limestone Member of the Allegheny Formation of Pennsylvanian age. [2] [3] Flint Ridge was an important source of flint and Native Americans extracted the flint from hundreds of quarries along the ridge. [4]

  5. Crystal Cave (Ohio) - Wikipedia

    en.wikipedia.org/wiki/Crystal_Cave_(Ohio)

    The Crystal Cave is a limestone cave located in Put-in-Bay, Ohio, located on South Bass Island in Lake Erie. [1] In 1887, Gustav Heineman emigrated from Baden-Baden, Germany, to Put-in-Bay, Ohio, where he established a winery. In 1897 he dug a well beneath his winery and discovered a large vug at a depth of 30 feet (9.1 m).

  6. Quartz - Wikipedia

    en.wikipedia.org/wiki/Quartz

    Quartz is, therefore, classified structurally as a framework silicate mineral and compositionally as an oxide mineral. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. [9] Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral. The transformation ...

  7. 4,000 Pounds of Crystal Mined in Arkansas Are Now on ... - AOL

    www.aol.com/lifestyle/4-000-pounds-crystal-mined...

    For premium support please call: 800-290-4726 more ways to reach us

  8. Herkimer diamond - Wikipedia

    en.wikipedia.org/wiki/Herkimer_diamond

    Inclusions can be found in these crystals that provide clues to the origins of the Herkimer diamonds. Found within the inclusions are solids, liquids (salt water or petroleum), gases (most often carbon dioxide), two- and three-phase inclusions, and negative (uniaxial) crystals. A black hydrocarbon is the most common solid inclusion.

  9. Mineralogy of the Pikes Peak Region - Wikipedia

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

    For example, amazonite can be found next to Barr Trail, the main hiking route to the summit of Pikes Peak. The most famous collecting area on the Peak is Glenn Cove, a glacial cirque located at 11,000 feet (3,400 m) on the north side of the mountain. Quartz crystals, amazonite and topaz crystals can be found in pockets on steep cliffs in this area.