Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5138
EASTING 574957 NORTHING 6040944 ZONE 14 DATUM NAD83
Date of mapping 07/15/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
gneissosity | 71 | 84 |

Dikes and Sills:
Rock Number | Type | Width (m) | Strike | Dip
0 | pegmatite | 0.15 | 171 | 45

Minor Folds
Type | Symmetry | Strike | Dip | Plunge | Azimuth
similar fold | Z | 62 | 50 | 8 | 63

Linear Structures
Type | Plunge | Azimuth
mineral lineation | 33 | 209

-pegmatite veins have trace of quartz-tourmaline intergrowth

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
schlieric or schlieren present
Field Description:

-slightly less of porphyritic (augen) character that normal
-very little grey granodiorite

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
hornblende - diopside bearing
Field Description:

-looks like mafic wacke with some vuggy amphibolite layers and hornblendic layers
-dominantly mafic hornblende psammite.

Manitoba Geological Survey, 2017