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  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. Berea Sandstone - Wikipedia

    en.wikipedia.org/wiki/Berea_sandstone

    Pepper, et al., hypothesized that the river flowed first into the Ohio basin before switching course to the Michigan basin, thus the Michigan Berea Sandstone would be slightly younger. [14] There is a downwarp in the Cincinnati arch, called the Ontario sag, that if it was present at the formation of Berea Sandstone, could mean that it formed a ...

  4. Jacobsville Sandstone - Wikipedia

    en.wikipedia.org/wiki/Jacobsville_Sandstone

    Jacobsville Sandstone is a red sandstone formation, marked with light-colored streaks and spots, primarily found in northern Upper Michigan, portions of Ontario, and under much of Lake Superior. Desired for its durability and aesthetics, the sandstone was used as an architectural building stone in both Canada and the United States.

  5. 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 ...

  6. 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).

  7. 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.

  8. Geology of Ohio - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Ohio

    Ohio's State Invertebrate Fossil, is a trilobite found in the formation. The Southern Hemisphere where Ohio was located at the end of the Ordovician experienced a widespread glaciation, around 438 million years ago. Sea level dropped due to the glaciation, accompanied by a subsidence of the land.

  9. Quartzite - Wikipedia

    en.wikipedia.org/wiki/Quartzite

    Quartzite can have a grainy, glassy, sandpaper-like surface. 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.