Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6491
EASTING 566442 NORTHING 6042718 ZONE 14 DATUM NAD83
Date of mapping 07/28/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 342 | 71 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
schlieric or schlieren present
biotite
Field Description:

-Grey TNLT to GRDR
-about 5%-10% variable white GRDR lee
-deformation extreme
-not sure which unit this is ... maybe the old massive grey GRDR

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
melanocratic
Field Description:

-one large baudin-shaped inclusion, .5 x 2 m of black HB -gabbro or hornblendite
-a few mafic HB schlieren surrounding it

Manitoba Geological Survey, 2017