Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5505
EASTING 576581 NORTHING 6042511 ZONE 14 DATUM NAD83
Date of mapping 06/29/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 40 | 65 |

-west side of outcrop all along island shore has numerous screens of HB, GR, GRDR

PETROLOGIC DATA

Rock Number: 1

Rock Type: tonalite
Descriptors:
porphyritic
leucocratic
Field Description:

-strange rock 1/2 between WJ and Clearwater Bay units
-it is leucocratic, white weathering, slightly schlieric like Clearwater Bay, however it is slightly porphyritic and quartz rich with an interlocking quartz agg. fabric similar to WJ GRDR
-feldspars and quartz show a random pinking from hematites
-outcrop is also cut by white pegmatites
-provisionally I will assign this to Clearwater Bay

Manitoba Geological Survey, 2017