Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6463
EASTING 547514 NORTHING 6023651 ZONE 14 DATUM NAD83
Date of mapping 07/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 65 | 83 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: gabbro
Descriptors:
megacrystic
leucocratic
Field Description:

-slight increase in HB matrix
-fewer of large megas--extensive areas of packed 1 cm PH?? in black HB matrix
-fabric very weak
-no layering apparent

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
mesocratic
Field Description:

-20 cm dike (?)
-wanders along outcrop
-appears to be synmagmatic-possibly a feeder dike in the chamber

Manitoba Geological Survey, 2017