Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6563
EASTING   573610     NORTHING   6042008     ZONE   14     DATUM   NAD83
Date of mapping    08/08/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 55 64

-cruised shore from 6562 past 6075 to 6559--2 points to note:
1. this island is mainly WJC
2. the big Molson of 6560 disappears

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
schlieric or schlieren present
leucocratic

Field Description:

-equi-granular grey GRDR
-numerous old peg/aplite lit
-this looks like CWB
-this would place the major complex boundary between this reef and the main island to the east

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
hornblende-epidote bearing

Field Description:

-1 to 2 m wide inclusions of mafic, possibly sedimentary ampb. that run several metres along the edge of outcrop


Manitoba Geological Survey, 2017