Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6233
EASTING 559430 NORTHING 6032493 ZONE 14 DATUM NAD83
Date of mapping 06/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 221 | 79 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: gneiss
Descriptors:
augened
tonalitic
Field Description:

-waxy-grey, metamorphically layered, old grey TNLT (as previous station)
-metamorphic layering, highly deformed and folded, then extensivly sheared

Rock Number: 2

Rock Type: pegmatite
Descriptors:
massive
granodiorite
Field Description:

-bulk of outcrop is a snowy white weathering quartz, oligoclase, microcline pegmatite with just a trace of BO
-it post dates most of the shearing and lies within the shear plane, but does have a pronounced CT fabric
-it is unzoned with MEGA extending from margin to margin
-inclusions of TNLT show moderate solisification

Manitoba Geological Survey, 2017