Natick Gap Exploration Prospect, Phoenix, Keweenaw Co., Michigan, USA
|Latitude & Longitude (WGS84):||47° 23' 7'' North , 88° 17' 41'' West|
|Latitude & Longitude (decimal):||47.3852777778, -88.2947222222|
Commodities (Major) - Copper
Deposit Type: Fissure Copper Veins
Development Status: Prospect
Deposit Model: 96: Native Cu
Host Rock Unit: Portage Lake Volcanics
Host Rock: Basalt
The Natick Gap Exploration (Natick Mining Company) was located approx. 1.75 mi. east of the town of Phoenix. The company formed in 1853 and exploration work began shortly after. No additional information is available concerning production; it is assumed that this location was not favourable for mining.
1 valid mineral.
This 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 data will improve over time as more accurate maps and data sets are added.
|Stenian1000 - 1200 Ma||Portage Lake Volcanics|
This unit is the same as unit Yp on paper map of Sims (1992). Description is taken from that unit description.
|Mesoproterozoic1000 - 1600 Ma||Mesoproterozoic volcanic rocks|
May include hypabyssal intrusions.
|Mesoproterozoic1000 - 1600 Ma||Mesoproterozoic sedimentary|
References for regional geology:
Data provided by Macrostrat.org
Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .
USGS compilers. State geologic map data. State Maps.
Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 190-91 SITE ID # 420061, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.