Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 85 STATION 6067
EASTING 575665 NORTHING 6044691 ZONE 14 DATUM NAD83
Date of mapping 06/20/1985

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 312 | 36 |

Linear Structures
Type | Plunge | Azimuth
boudin axis | 19 | 120

PETROLOGIC DATA

Rock Number: 1

Rock Type: gneiss
Descriptors:
cataclastic
Field Description:

-mixed sequence of intrusive and sedimentary gneisses
- hard to tell if this is a sed. sequence with extensive intrusion or staged?? sheared
-sed. is a grey quartz rich augen gneiss with 5-8% BO
-probably a greywacke
-intrusive is a beige to light grey leuco-TNLT (CI=2)
-a few white quartz veins cut the foliation
-Greywacke doens't resemble other seds seen, but it is heavily augened and all primary character destroyed

Manitoba Geological Survey, 2017