Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6534
EASTING   580344     NORTHING   6063911     ZONE   14     DATUM   NAD83
Date of mapping    08/03/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
cataclastic foliation 62 89

-photo of layering of large Molson and intrusions into GRDR

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
leucocratic

Field Description:

-WJC style- no change

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
hornblende - diopside bearing

Field Description:

-large slice included in GRDR of sheared basalt(?)
-has the usual appearance of sheared volcanic or volcanic sed.
-east contact is Molson

Rock Number: 3

Rock Type: diabase

Field Description:

-mega Molson with incredible cumulate layering! See pluton
-This dike runs length of island and east side of island is anastomosing set of dozens of small off shoots
-Main dike 50 m, several secondary dikes of 3 to 7 m


Manitoba Geological Survey, 2017