Cross Lake Project (1983-86)

Geologist    P.G. Lenton     Year    83     STATION    5022
EASTING   567990     NORTHING   6043269     ZONE   14     DATUM   NAD83
Date of mapping    06/20/1983

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 322 43

Linear Structures
Type Plunge Azimuth
microcrenulation 25 124

PETROLOGIC DATA

Rock Number: 1

Rock Type: sediments / sedimentary schist
Descriptors:
layered
mafic
volcaniclastic

Field Description:

-well layered volcaniclastic derived amphibolite
-rare amphibolite pods with black hornblende rims; epidote and garnet cores.

Textural Features
Type Mineral Min. Size Max. Size Abundance (%) Unit
groundmass grainsize 0.0 0.2

Minerals of Note
Mineral Abundance (%)
epidote
hornblende
biotite

Rock Number: 2

Rock Type: pegmatite
Descriptors:
quartz core present
35 cm wide
deformed

Field Description:

-tourmaline, biotite
-crude quartz core
-deformed

Minerals of Note
Mineral Abundance (%)
tourmaline
biotite

Manitoba Geological Survey, 2017