Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5458
EASTING 572098 NORTHING 6052779 ZONE 14 DATUM NAD83
Date of mapping 06/23/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 21 | 90 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
pegmatitic
leucocratic
Field Description:

-muscovite appears all secondary on shears
-whole large outcrop is coarse granite and pegmatite cut by pegmatite and contains large rafts of mafic wackes
-microcline mottled pink, white, and grey
-biotite aligned in a weak erratic foliation
-tourmaline random throughout body but is highly concentrated on the margins of dikes cutting the leuco-granite
-garnet contentrates in patches of pegmatites as crystals up to 1 cm
-secondary muscovite is lemon yellow, fibrous and restricted to shears

Minerals of Note
Mineral | Abundance (%)
tourmaline
garnet
biotite

Manitoba Geological Survey, 2017