Geologic information
Identification information
| Deposit ID |
10033034 |
| MRDS ID |
M014911 |
| Record type |
Site |
| Current site name |
Great Northern Mine |
| Related records |
10305412 |
Geographic areas
| Country |
State |
County |
| United States |
Oregon |
Grant |
Public Land Survey System information
| Meridian |
Township |
Range |
Section |
Fraction |
State |
| Willamette |
014S |
032E |
07 |
N |
Oregon |
Comments on the location information
- N 1/2, ON CANYON MOUNTAIN 2 MILES SOUTHEAST OF CANYON CITY AND ABOUT 1500 FEET ABOVE THE TOWN.
Commodities
| Commodity |
Importance |
| Gold |
Primary |
Materials information
| Materials |
Type of material |
| Pyrite |
Ore |
| Calcite |
Gangue |
| Quartz |
Gangue |
Analytical data
| Result |
SMALL POCKETS OF HIGH-GRADE GOLD |
Host and associated rocks
| Host or associated |
Host |
| Rock type |
Plutonic Rock
> Mafic Intrusive Rock
> Diorite
> Diabase |
| Stratigraphic age (youngest) |
Late Permian |
|
| Host or associated |
Host |
| Rock type |
Plutonic Rock
> Mafic Intrusive Rock
> Gabbro |
Comments on the geologic information
- PARTIALLY DECOMPOSED GABBRO IS CUT BY CALCITE SEAMS, SOME OF WHICH CONTAIN WIRE GOLD. THE QUARTZ VEINS CONTAIN PYRITE AND GENERALLY LOW VALUES.
