Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5577
EASTING 578020 NORTHING 6059972 ZONE 14 DATUM NAD83
Date of mapping 07/12/1984

STRUCTURAL DATA

PETROLOGIC DATA

Rock Number: 1

Rock Type: dacite
Descriptors:
fragmental
Field Description:

-as at previous station, both mass and frag. dacite porphyrics
-probably represent massive and brecciated felsic flows
-mass unit have rectilinear fract. patt. with HB alteration
-this is highly deformed into a streaked felsite and amphibolite schist
-the massive material appears to lie to the SW and breccia to NE
-the outcrop is tightly folded and faulted (see photos)

Minerals of Note
Mineral | Abundance (%)
garnet

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
basaltic composition
Field Description:

-one 2 m layer of highly deformed basaltic rock lying contained in the fragmental dacite
-it is tightly folded and faulted
-it appears to be a thin, brecciated basaltic layer

Minerals of Note
Mineral | Abundance (%)
garnet

Manitoba Geological Survey, 2017