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