Knife River quarries, Dunn Co., North Dakota, USAi
| Regional Level Types | |
|---|---|
| Knife River quarries | Group of Quarries (Inactive) |
| Dunn Co. | County |
| North Dakota | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
47° 20' 58'' North , 102° 36' 52'' West
Latitude & Longitude (decimal):
Locality type:
Group of Quarries (Inactive) - last checked 2021
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Dunn Center | 197 (2017) | 0.6km |
| Killdeer | 1,254 (2017) | 10.8km |
| Halliday | 221 (2017) | 21.0km |
| Dodge | 105 (2017) | 31.3km |
| Mandaree | 596 (2017) | 42.4km |
Stone tools made of this material (Knife River Flint) have been found as far away as Ohio. The material was quarried between 11,000 B.C. to A.D. 1600. The site was designated a National Historic Landmark in 2011. Located east of Dunn Center off Hwy. 200.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
1 valid mineral.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Quartz Formula: SiO2 Reference: Southwestern Minnesota archaeology: 12,000 years in the Prairie Lake Region By Scott F. Anfinson |
| ⓘ Quartz var. Chalcedony Formula: SiO2 Reference: Southwestern Minnesota archaeology: 12,000 years in the Prairie Lake Region By Scott F. Anfinson |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Chalcedony | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Quartz | SiO2 |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Dakota DomainDomain
- Williston BasinBasin
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
Knife River quarries, Dunn Co., North Dakota, USA