Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5026
EASTING 568628 NORTHING 6042742 ZONE 14 DATUM NAD83
Date of mapping 06/20/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 309 | 61 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
volcanic derived
40 % pegmatitic lit to sills
possible flow
Field Description:

-much areas laminated, more extrusive looking amphibolite
-large 30x50 cm pods of hornblende-epidote
-exposure around 40% injected matierial-mostly pegmatitic sith same aplitic veins

Minerals of Note
Mineral | Abundance (%)
hornblende
epidote

Rock Number: 2

Rock Type: tonalite
Descriptors:
gneissic
leucocratic
dike
1 to 2 metres wide
sheared
cataclastic
Field Description:

-1 to 2 m dikes of sheared leuc. TNLT
-typical old gneissic unit
-cataclastic character very evident in gneiss but not in amphibolite

Manitoba Geological Survey, 2017