Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6476
EASTING   546228     NORTHING   6022973     ZONE   14     DATUM   NAD83
Date of mapping    07/26/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 40 58

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
megacrystic
biotite

Field Description:

-the last two stations I thought the GRDR was becoming megacrystic but now I can see that it was megacrystic all along
-this is actually the leuco unit 9d with large equant zoned MC phenos up to 4 cm, but there was so much deformation and thin peg intrusion that I could see this before

Rock Number: 2

Rock Type: gabbro
Descriptors:
massive
leucocratic

Field Description:

-2 to 3 % of exposure is inclusions of grey PG-HB gneiss--leopard rock style mega gabbro


Manitoba Geological Survey, 2017