Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5468
EASTING   573123     NORTHING   6060661     ZONE   14     DATUM   NAD83
Date of mapping    06/24/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 285 78

PETROLOGIC DATA

Rock Number: 1

Rock Type: conglomerate

Field Description:

-contact between the troughs and conglomerate unit and the thick unsorted ungraded chaotic boulder conglomerate
-texture and clast variation in chaotic unit is typical of Beryl Island; tonalite and granodiorite dominant abundant mafic intrusive
-some ultra mafic
-volcanic clasts are a minor but significant component
-there are 2 dikes intruding the conglomerate
-typical of barren middle group-tourmaline green apatite blocky K-feldspar
-no true quartz core


Manitoba Geological Survey, 2017