Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6226
EASTING   561169     NORTHING   6033447     ZONE   14     DATUM   NAD83
Date of mapping    06/25/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 46 82

Dikes and Sills:
Rock Number Type Width (m) Strike Dip
0 Molson dike 0.13 196 80
0 pegmatite 0.14 211 52

-dike pegmatite 211/52, 14 cm tourmaline pegmatite
-Molson dike--> 13 cm low MG variety

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
schlieric or schlieren present
biotite

Field Description:

-augen
-same as #6215
-some suggestion of original foliation that has by remanent shallow - plunging s-shaped trending north
-2 Molson dieks (13 cm and 60 cm) and several late planar pegmatites in same direction as Molson
-5 to 7 % quartz scattered 1 to4 cm tourm.
-sheared parallel to margins with sericitic alteration
-almost no sheet silicates, simple microcline, oligoclase mineralogy


Manitoba Geological Survey, 2017