Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5565
EASTING   574588     NORTHING   6046694     ZONE   14     DATUM   NAD83
Date of mapping    07/08/1984

STRUCTURAL DATA

PETROLOGIC DATA

Rock Number: 1

Rock Type: feldspar porphyry
Descriptors:
massive
biotite-microcline bearing

Field Description:

-as previous station but here rock is rich in purple fluorite
-MC phenos largely undeformed
-duplicate samples around 15 m apart (the larger is from north edge of body, smaller from "centre")
-may be the high Rb unit Anderson found-evidence of recent sampling

Minerals of Note
Mineral Abundance (%)
fluorite

Rock Number: 2

Rock Type: granodiorite
Descriptors:
cataclastic
biotite - chlorite bearing

Field Description:

-probable inclusions in FPPP - same as rock s at 5564
-subgneissic to augen texture


Manitoba Geological Survey, 2017