Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5700
EASTING 571882 NORTHING 6064151 ZONE 14 DATUM NAD83
Date of mapping 08/01/1984

STRUCTURAL DATA

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened
biotite
Field Description:

-coarse grey-white augen porphyry
-numerous mafic schlieren

Rock Number: 2

Rock Type: granite
Descriptors:
massive
leucocratic
Field Description:

-appears to be same unit as previous, pink aplite but here there is much more of it and it is coarse except for margins
-it intrudes grey GRDR but includes numerous rafts of AMPB

Rock Number: 3

Rock Type: amphibolite
Descriptors:
layered
volcanic derived
Field Description:

-black and green coarse grained amph. probably derived from mafic volcanic
-most inclusions are in leuco GRNT although they do occur in GRDR also

Manitoba Geological Survey, 2017