Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5019
EASTING 567646 NORTHING 6043803 ZONE 14 DATUM NAD83
Date of mapping 06/19/1983

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
metamorphic layering | 48 | 34 |

Linear Structures
Type | Plunge | Azimuth
rodding | 33 | 121

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
volcanic derived
epidosite
carbonate pods or veins
Field Description:

-as before, probably dominantly extrusive here. Lots of epidosite/garnet pods and hornblende-garnet pods.
-Some carbonate stringers

Minerals of Note
Mineral | Abundance (%)
garnet
epidote

Rock Number: 2

Rock Type: diabase
Descriptors:
massive
pyroxenite
Molson dike
120 m wide
Field Description:

-314° / 74°
-probably Molson
-good chill margins
-relict diabasic texture in core
-Distinct lathe plagioclase
-dike margins sharp and undeformed

Minerals of Note
Mineral | Abundance (%)
plagioclase
pyroxene

Rock Number: 3

Rock Type: granite
Descriptors:
pegmatite
leucocratic
Field Description:

-either continuation of previous dike or en echelon dike cogenetic
-looks more sheared here
-mainly coarse to very coarse grained with pegmatite pods

Minerals of Note
Mineral | Abundance (%)
biotite
muscovite
garnet

Manitoba Geological Survey, 2017