Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5017
EASTING 567793 NORTHING 6043963 ZONE 14 DATUM NAD83
Date of mapping 06/19/1983

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
metamorphic layering | 78 | 64 |

Dikes and Sills:
Rock Number | Type | Width (m) | Strike | Dip
2 | pegmatite | 1.00 | 340 | 45

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
hornblende-plagioclase bearing
epidosite
Field Description:

-probably volcanic amphibolite with epidosite layers-may have been pillowed
-heavily oxidized gossan zone
-sample B from oxidized gossan

Minerals of Note
Mineral | Abundance (%)
garnet

Rock Number: 2

Rock Type: pegmatite
Descriptors:
dike
granitic
1 metre wide
Field Description:

-simple biotite dike with margin-orientated growth of biotite and microcline
-feldspars 3-15 cm
-irregular deformed-approx. orientation 340/45
-has penetrative fabric parallel to foliation

Minerals of Note
Mineral | Abundance (%)
biotite
potassium feldspar

Manitoba Geological Survey, 2017