Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5190
EASTING 573336 NORTHING 6057665 ZONE 14 DATUM NAD83
Date of mapping 08/07/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 241 | 68 |
schistosity | 315 | 84 |
fracture cleavage | 171 | 68 |

-foliations 1&2 form a north trending S intersection plunging about 60 degree, that corresponds to an alignment of microcline phenocrysts
-foliation 3 is the late brittle fabric

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
porphyritic
biotite - muscovite bearing
Field Description:

-contains approximately 20 % equant pink feldspar phenocrysts
-also contains rare quartz eye phenocrysts
-there are numerous zones of alteration along fractures marked by planar 1 to 5 cm regions of coarser granitic matierial

Minerals of Note
Mineral | Abundance (%)
magnetite

Manitoba Geological Survey, 2017