Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6579
EASTING   569129     NORTHING   6043100     ZONE   14     DATUM   NAD83
Date of mapping    08/09/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 120 70

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
massive
volcanic derived

Field Description:

-Highly deformed black ampb of basalt composition, locally has a HB-EP alteration, possibly indicating highly deformed pillow selvages

Rock Number: 2

Rock Type: granite
Descriptors:
pegmatitic
leucocratic

Field Description:

-Mineralogical sample...MC,QZ,PG, BO-PGTC-GRNT that intrudes as irregular deformed sills up to 2 m thick
-35 % of exposure is GRNT
-shears in the foliation plane are heavily epidotized


Manitoba Geological Survey, 2017