Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5112
EASTING 575516
NORTHING 6042426
ZONE 14
DATUM NAD83
Date of mapping 07/09/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
gneissosity | 43 | 53 | |
fault | 312 | 73 |
Type | Plunge | Azimuth |
---|---|---|
rodding | 40 | 89 |
PETROLOGIC DATA
Rock Number: 1
-rock has become "two component schlieric gneiss" with 5 % porphyritic grey granodiorite (sample 1B) 20 % injected granodiorite lit (mainly pegmatitic). The remainder coarse grey granodiorite with insipient development of augen. A few rafts of layered amphibolite are preserved with little observed assimilation
-development of the late cross fault pattern is very strong with fracture spacing ranging from 25 cm to 3 m
Mineral | Abundance (%) |
---|
hornblende |
Manitoba Geological Survey, 2017