enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

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. Pegmatite - Wikipedia

   en.wikipedia.org/wiki/Pegmatite

   Pegmatite. A pegmatite is an igneous rock showing a very coarse texture, with large interlocking crystals usually greater in size than 1 cm (0.4 in) and sometimes greater than 1 meter (3 ft). Most pegmatites are composed of quartz, feldspar, and mica, having a similar silicic composition to granite.

5. Homestake Mine (South Dakota) - Wikipedia

   en.wikipedia.org/wiki/Homestake_Mine_(South_Dakota)

   Homestake Mine (South Dakota) Coordinates: 44°21′22″N 103°45′53″W. The Homestake Mine pit in Lead, South Dakota. Typical auriferous greenschist gold ore from the Homestake Mine. Two small masses of native gold (Au) are visible near the bottom right. The Homestake Mine was a deep underground gold mine (8,000 feet or 2,438 m) located in ...

6. List of South Dakota state symbols - Wikipedia

   en.wikipedia.org/wiki/List_of_South_Dakota_state...

   This is a list of the official state symbols of the U.S. state of South Dakota. [1] [2] ... Rose quartz: 1966 [3] Gemstone: Fairburn agate: 1966 [3] Soil: Houdek loam ...

7. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.