Blacktail Gulch, Lead District, Lawrence Co., South Dakota, USA
| Latitude & Longitude (WGS84): | 44° 22' 17'' North , 103° 45' 40'' West |
|---|---|
| Latitude & Longitude (decimal): | 44.37158,-103.76124 |
| GeoHash: | G#: 9xyhqve75 |
| Locality type: | Gulch |
| Köppen climate type: | Dfb : Warm-summer humid continental climate |
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Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities3 valid minerals.
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | 'Gold' | 1.AA.05 | Au |
| ⓘ | 'Silver' | 1.AA.05 | Ag |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | 'Pyrite' | 2.EB.05a | FeS2 |
List of minerals arranged by Dana 8th Edition classification
| Group 1 - NATIVE ELEMENTS AND ALLOYS | |||
|---|---|---|---|
| Metals, other than the Platinum Group | |||
| ⓘ | Gold | 1.1.1.1 | Au |
| ⓘ | Silver | 1.1.1.2 | Ag |
| Group 2 - SULFIDES | |||
| AmBnXp, with (m+n):p = 1:2 | |||
| ⓘ | Pyrite | 2.12.1.1 | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Ag | Silver | |
| Ag | ⓘ Silver | Ag |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Regional Geology
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
| Holocene - Pleistocene 0 - 2.588 Ma ID: 2473871 | Alluvial deposits Age: Pleistocene (0 - 2.588 Ma) Description: Stream-laid deposits of mud, silt, sand, and gravel. Narrow deposits not shown. Maximum thickness 10 m. Reference: Redden, J.A., E. DeWitt. Maps Showing Geology, Structure, and Geophysics of the Central Black Hills, South Dakota. U.S. Geological Survey Scientific Investigations Map 2777. [73] |
| Permian - Devonian 251.902 - 419.2 Ma ID: 3190647 | Paleozoic sedimentary rocks Age: Phanerozoic (251.902 - 419.2 Ma) Lithology: Sedimentary rocks Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154] |
| Paleoproterozoic 1600 - 2500 Ma ID: 2760975 | Metamorphosed Carbonaceous Shale Age: Proterozoic (1600 - 2500 Ma) Description: Dark-gray to gray, siliceous biotite phyllite, calcareous biotite phyllite, and schist. Minimum thickness 1,500 ft (457 m). Lithology: Major:{phyllite,schist} Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License
Localities in this RegionShow map
- South Dakota
- Lawrence Co.
- Lead District
- Blacktail Gulch
- Lead District
- Lawrence Co.
