Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6336
EASTING 574932 NORTHING 6049906 ZONE 14 DATUM NAD83
Date of mapping 07/10/1986

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
bedding | 320 | 26 |

Minor Folds
Type | Symmetry | Strike | Dip | Plunge | Azimuth
similar fold | M | 88 | 86 | 34 | 88

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
laminated
quartz-biotite
Field Description:

-grey weathering quartz rich (45-50%) sandstones
-generally massive 30 to 50 cm beds but with local beds with 3 to 5 mm internal lamination of more mafic horizons, scattered 20 cm more pelitic horizons of MV phyllite
-extensive development of TL in MV rich horizons
-grading indicates tops right

Minerals of Note
Mineral | Abundance (%)
tourmaline
muscovite

Rock Number: 2

Rock Type: pegmatite
Field Description:

-3 m dike of white MV-TL pegmatite
-quartz poor with layers of MV granite--essentially a body of the adamellite granite
-primary igneous layering at 052/steep dip

Minerals of Note
Mineral | Abundance (%)
muscovite
tourmaline

Manitoba Geological Survey, 2017