Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6180
EASTING 574765 NORTHING 6045637 ZONE 14 DATUM NAD83
Date of mapping 06/20/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 166 | 65 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
pegmatitic
leucocratic
Field Description:

-classic very coarse to ultracoarse peg. granite
-muscovite randomly distributed as 1 mm x 2 to 5 cm sheaves
-rock is moderatly sheared therefore some zoning is confused and obliterated
-shows classic units very fine grained with pink and white laminations and pin head garnet laminations
-garnets can reach 4 mm in coarser GRNT
-also appears to have BO
-the relationship of this outcrop to CWB or grey porphyry should be checked by analysis

Minerals of Note
Mineral | Abundance (%)
garnet
muscovite

Rock Number: 2

Rock Type: amphibolite
Descriptors:
massive
volcanic derived
Field Description:

-volcanic ampb. inclusions in south side of outcrop decreasing north-none or north side

Manitoba Geological Survey, 2017