Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6337
EASTING 574247 NORTHING 6049685 ZONE 14 DATUM NAD83
Date of mapping 07/10/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 87 | 59 |
fracture cleavage | 201 | 63 |

-stump joint/shear slt.

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
massive
leucocratic
Field Description:

-good sample of adamellite for analysis including REE
-very leucocratic with 1/10% BO + .5% MV
-dissemination of pinkish re 1 to 2 mm GR
-TL particularly abundant in pegs. that cut outcrop but is also dissemination in granite
-One strong joint altered?? but otherwise outcrop is massive
-pegs not common in NS plane
-granite is quartz rich - 35 to 40 % but pegs are feldspathic with 5 to 15 % free quartz

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

Manitoba Geological Survey, 2017