Hunter Granite Quarry (Robert Hunter Granite Pit; Milbank Mahogany Granite Works), Grant Co., South Dakota, USA
|Latitude & Longitude (WGS84):||45° 12' 25'' North , 96° 31' 5'' West|
|Latitude & Longitude (decimal):||45.20694,-96.51806|
REF:Deposit:: PETSCH B SDGS REPT INVES 60 P17 1948
Deposit:: MAHOGANY-COLORED GRANITE
Commodities (Major) - Granite
Development Status: Producer
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
2500 - 2800 Ma
Age: Neoarchean (2500 - 2800 Ma)
Stratigraphic Name: Millbank Granite
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.