Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5091
EASTING 572840 NORTHING 6039878 ZONE 14 DATUM NAD83
Date of mapping 07/07/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 61 | 61 |

-040/55 footwall contact of Molson

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened
biotite
Field Description:

-augen feldspar megacrysts up to 4 mm represent 50 to 60 % of rock
-1 cm siliceous hornfels on Molson contact, otherwise apparently unaffected.
-intruded in Molson near contact
-no inclusions in GRDR away from dike - homogeneous sheared gneiss

Textural Features
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit
mafic mineral |  | 0.0 | 0.0 | 10.0 | %

Rock Number: 2

Rock Type: gabbro
Field Description:

-Molson footwall sequence
-dominantly 2 pyroxene leuco gabbro
-sample of gabbro pegmatite

Manitoba Geological Survey, 2017