Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5191
EASTING 573408 NORTHING 6057665 ZONE 14 DATUM NAD83
Date of mapping 08/07/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 168 | 90 |
fracture cleavage | 140 | 89 |
fracture cleavage | 281 | 88 |

PETROLOGIC DATA

Rock Number: 1

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

-quartz eyes up to 3 mm are common
-foliation is not as prominent as other locations
-shearing producing the fracture cleavages has shattered and partially obliterate the feldspar phenocrysts
-both fracture cleavage directions are associated with hematitic staining and hydrothermal alteration

Minerals of Note
Mineral | Abundance (%)
magnetite

Manitoba Geological Survey, 2017