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