Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6354
EASTING 569380 NORTHING 6050250 ZONE 14 DATUM NAD83
Date of mapping 07/12/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 291 | 75 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone
Descriptors:
crossbedded
feldspathic
Field Description:

-grey to beige weathering, feldspathic sand
-quartz 40%
-feldspars are about 1mm and a cream colour to pale yellow
-separatic coarse sand beds comprised almost entirely of cream to beige feldspars... beds are a few cm thick
-outcrop weathers with a pitted appearance...from 1.5 cm to 20 cm size of pits, although there is some indication of MV rimming the pits indicating this is a metamorphic feature

Minerals of Note
Mineral | Abundance (%)
garnet
tourmaline

Rock Number: 2

Rock Type: pegmatite
Field Description:

-pink to brick red, quartz rich peg.
-locally it comprises of TL-bearing quartz veins with pink feldspar rims
-one dike has a core made up of 90% black shore
-MV is the major mafic with BO the subordinate

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

Manitoba Geological Survey, 2017