Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5457
EASTING 571650 NORTHING 6053800 ZONE 14 DATUM NAD83
Date of mapping 06/23/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 54 | 66 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: greywacke
Descriptors:
psammitic
Field Description:

-mainly grey white weathering massive psammite-quartz rich (60% locally) with 3 to 5 % biotite
-no garnet noted
-scattered concretion style calcsilicate
-generally massive unbedded
-15% of outcrop muscovite-rich semi-pelite-some garnet
-highly folded with S folds dominant, usually with failed short limbs

Rock Number: 2

Rock Type: pegmatite
Descriptors:
granitic
Field Description:

-irregular foliated and folded 40 cm (average) dikes of quartz, feldspar, muscovite, biotite, tourmaline, garnet pegmatite
-minor tourmalinization of contacts
-simple zonation

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

Manitoba Geological Survey, 2017