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