Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6136
EASTING 566799 NORTHING 6054865 ZONE 14 DATUM NAD83
Date of mapping 06/16/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 236 | 83 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
schistose
leucocratic
Field Description:

-grey and white intrusive that doesn't really look like a core granite
-shows extensive deformation and assimilation of the sedimentary rocks
-boudinage of nebulus TL as a trace mineral uniformly distributed but may be derived from the sediment
-grain size variable
-inclusions pegmatitic

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

Rock Number: 2

Rock Type: sandstone
Descriptors:
feldspathic
Field Description:

-highly assimilated inclusions often reduced to simple MV schlieren of the light grey feldspar-rich arkosic sandstones
-no sedimentary structures recognizable

Minerals of Note
Mineral | Abundance (%)
muscovite
sillimanite

Manitoba Geological Survey, 2017