Geologic information
Identification information
Deposit ID |
10310104 |
MRDS ID |
LW00104 |
Record type |
Site |
Current site name |
Mendota Mine |
Geographic coordinates
Geographic coordinates:
|
-88.01531, 47.40056 (WGS84)
|
Relative position |
GRANT TOWNSHIP |
(click for info) |
Geographic areas
Country |
State |
County |
United States |
Michigan |
Keweenaw |
Public Land Survey System information
Meridian |
Township |
Range |
Section |
Fraction |
State |
Michigan |
58N |
29W |
29 |
NE OF NW |
Michigan |
Commodities
Commodity |
Importance |
Copper |
Primary |
Materials information
Materials |
Type of material |
Copper |
Ore |
Mineral occurrence model information
Model code |
96 |
USGS model code |
Unassigned |
Deposit model name |
Native Cu |
Mark3 model number |
99 |
Host and associated rocks
Host or associated |
Host |
Rock type |
Volcanic Rock (Aphanitic)
> Mafic Volcanic Rock
> Basalt |
Rock unit name |
Portage Lake Volcanics |
Rock description |
Portage Lake Volcanics |
Chronological age |
1095 |
Stratigraphic age (youngest) |
Stenian |
|
Geologic structures
Type of structure |
Regional |
Structure description |
Syncline |
Comments on the geologic information
- ALTERNATE BRECCIATED BASALT FLOWS, AMYGDALOIDAL BASALTS AND/OR INTERFLOW CONGLOMERATES - VARIES WITH LOCATION