| Principal periods worked |
1885-95, 1903, 1925, 1943-45, 1950's. |
| Workings |
Cut 200, stope, 150, stripped area 100 x 1 50. |
| Description of muscovite |
Greenish brown, cracked, mineral inclusions, biotite intergrowths, tied, bent, ruled. |
| Production |
Moderate sheet, large feldspar |
| Shape |
Irregular, lens. |
| Size |
40 T |
| Strike |
NW |
| Dip |
SW |
| Relation to wallrock |
Discordant |
| Wallrock |
Mica gneiss |
| Extent of weathering |
Unweathered |
| Remarks |
Pl-P-Q-M wall zone, fine to medium grained; P-Pl-Q-M outer intermediate zone, medium to coarse grained; P-Q inner intermediate zone, medium to coarse grained; Q core; accessory biotite, garnet, pyrite, pyrrhotite, thulite. |
| Source of information |
USGS, OF |
