| Principal periods worked |
1870-1900, int 1900-39, WWII, 1958-59 |
| Workings |
Cut 250 long, 75 deep, shaft, adits, drifts, stopes, 320 along strike, 200 deep. |
| Description of muscovite |
Ruby, hard, stained, moderate ruling, bending, cracking. |
| Production |
Large sheet, some feldspar. |
| Shape |
Irregular, lenses, pinch and swell. |
| Size |
1-35 T |
| Strike |
NE |
| Dip |
SE |
| Plunge |
SW |
| Relation to wallrock |
Partly concordant |
| Wallrock |
Mica gneiss-schist |
| Extent of weathering |
Unweathered |
| Remarks |
F-Q border zone, fine grained; Q-M walls zone, fine to medium grained; Pl-Q intermediate zone, medium to coarse grained; Q-M-Pl-P core, medium to coarse grained; accessory garnet, apatite. Smaller lenses Pl-Q-M pegmatite. |
| Source of information |
USGS, Sterrett (1923, p., 247-248), DMEA, OF. |
