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2. Sioux Quartzite - Wikipedia

   en.wikipedia.org/wiki/Sioux_quartzite

   Sioux Quartzite at Falls Park, Sioux Falls, South Dakota Cross-bedding in the Sioux Quartzite, Blue Mounds State Park, Minnesota, United States.. The Sioux Quartzite is a Proterozoic quartzite that is found in the region around the intersection of Minnesota, South Dakota, and Iowa, and correlates with other rock units throughout the upper midwestern and southwestern United States.

3. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   Barite Rose (1968) Oregon [59] [60] State Twin Minerals: Oregonite (2013) and Josephinite (2013) Thunderegg (1965) Oregon sunstone labradorite (1987) Pennsylvania [61] Rhode Island [62] Bowenite serpentine (1966) Cumberlandite (1966) South Carolina [63] Blue granite (1969) Amethyst (1969) South Dakota [64] [65] Rose quartz (1966) Fairburn agate ...

4. List of quarries in the United States - Wikipedia

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

   According to Marble.com, in 2016 there were 276 quarries producing natural stone in 34 states, and states producing the most granite were Texas, Massachusetts, Indiana, Wisconsin, and Georgia. [1] The term "quarry" refers also to sites producing aggregate , molding sand , or other resources besides cut stone.

5. Rose quartz, raw minerals and amethyst geodes, oh my ... - AOL

   www.aol.com/news/rose-quartz-raw-minerals...

   Rose quartz, raw minerals and amethyst geodes, oh my! What’s new at Sacramento Gem Faire. Bailey Stover. August 3, 2024 at 3:00 AM. The Gem Faire returned to the Scottish Rite Masonic Center in ...

6. Quartzite - Wikipedia

   en.wikipedia.org/wiki/Quartzite

   Quartzite. 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. Pure quartzite is usually white to grey, though quartzites often occur in various shades of pink and ...

7. List of archaeological sites in South Dakota - Wikipedia

   en.wikipedia.org/wiki/List_of_archaeological...

   Wessington Springs. Prehistoric Rock Art of South Dakota MPS. 39BE3. #93000802. Wolsey. Prehistoric Rock Art of South Dakota MPS. 39BE14. #84003199. Huron.