Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6101
EASTING   574750     NORTHING   6046440     ZONE   14     DATUM   NAD83
Date of mapping    06/09/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 284 51

PETROLOGIC DATA

Rock Number: 1

Rock Type: granite
Descriptors:
augened
leucocratic

Field Description:

-pink augen granite phase of late intrusion no GR or FL visable
-mafics strung out in fol.
-quite coarse-original grain size probably near 7 to 8 mm
-BO slightly chloritized, BO>MV
-MV as small xenomorphic masses and almost knottled in places
-traces of blue-green apatite
-stringers of pink quartz rich pegmatite as foliation parallels lit and distinct sills that are flattened and boudinaged strong subvertical joint pattern

Minerals of Note
Mineral Abundance (%)
biotite
muscovite
apatite


Manitoba Geological Survey, 2017