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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...

   South Carolina [63] Blue granite (1969) Amethyst (1969) South Dakota [64] [65] Rose quartz (1966) Fairburn agate (1966) and State Jewelry: Black Hills Gold: Tennessee ...

4. 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.

5. Geology of South Dakota - Wikipedia

   en.wikipedia.org/wiki/Geology_of_South_Dakota

   The geology of South Dakota began to form more than 2.5 billion years ago in the Archean eon of the Precambrian. Igneous crystalline basement rock continued to emplace through the Proterozoic, interspersed with sediments and volcanic materials. Large limestone and shale deposits formed during the Paleozoic, during prevalent shallow marine ...

6. Rosebud Indian Reservation - Wikipedia

   en.wikipedia.org/wiki/Rosebud_Indian_Reservation

   Website. rosebudsiouxtribe-nsn.gov. The Rosebud Indian Reservation is an Indian reservation in South Dakota, United States. It is the home of the federally recognized Rosebud Sioux Tribe, who are Sicangu, a band of Lakota people. The Lakota name Sicangu Oyate translates as the "Burnt Thigh Nation", also known by the French term, the Brulé Sioux.

7. Needles (Black Hills) - Wikipedia

   en.wikipedia.org/wiki/Needles_(Black_Hills)

   The Needles of the Black Hills of South Dakota are a region of eroded granite pillars, towers, and spires within Custer State Park. Popular with rock climbers and tourists alike, the Needles are accessed from the Needles Highway, which is a part of Sylvan Lake Road (SD 87/89). The Cathedral Spires and Limber Pine Natural Area, a 637-acre (258 ...