Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5697
EASTING   571714     NORTHING   6063412     ZONE   14     DATUM   NAD83
Date of mapping    08/01/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 11 54

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened
biotite

Field Description:

-highly schlieric grey-white weathering GRDR
-probably a porphyry as augen are 5 to 10 mm sheltered feldspars
-contains BO and HB schlieren and highly digested amph inclusions

Rock Number: 2

Rock Type: aplite
Descriptors:
massive
leucocratic

Field Description:

-dikes of pink aplite with pegmatitic patches
- not as deformed as GRDR
-Grades from very fine grained aplitic at margins to med. grained seriate GRNT in middle of dikes
-dikes range from 10 cm to >2 m


Manitoba Geological Survey, 2017