Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6462
EASTING 547986 NORTHING 6023985 ZONE 14 DATUM NAD83
Date of mapping 07/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 242 | 90 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
megacrystic
leucocratic
Field Description:

-same bimodal HB matrix anorthosite gabbro as at 6411+6412
-whole outcrop gabbro except for 1 m dike of schlieric GRDR that looks like WJC (CI=5, Quartz 25
-buff equant plag. in quartz
-rare crosscutting white quartz-rich pegs.
with BO only
-major in bimoidal size distribution 1-2 cm and 6-20 cm

Minerals of Note
Mineral | Abundance (%)
hornblende

Manitoba Geological Survey, 2017