Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6283
EASTING 568481 NORTHING 6049054 ZONE 14 DATUM NAD83
Date of mapping 07/04/1986

STRUCTURAL DATA

-revisit of granite north shore peristerite by that alters volcanics
-location A-21

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
schistose
biotite - muscovite bearing
Field Description:

-grey granite with spotly peg. vugs
-disseminated TL
-alters basalt to pinkish beige GR gneiss (felsic)
-extreme alteration
-this is driving the entire alteration system on the north shore of Peristerite Bay
-sample should be analyzed!
-photos show texture of GRNT and extent of alteration

Minerals of Note
Mineral | Abundance (%)
tourmaline

Manitoba Geological Survey, 2017