Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6322
EASTING   566208     NORTHING   6047205     ZONE   14     DATUM   NAD83
Date of mapping    07/09/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 273 41

Linear Structures
Type Plunge Azimuth
rodding 34 31

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
mafic

Field Description:

-greenish grey and black layered sedimentary ampb
-typical lower cycle mafic volcanic derived, cm layered, dirty HB greywackes
-numerous zoned carbonate-EP-HB concretionary type layers and pods
-sheared gabbro(?)

Rock Number: 2

Rock Type: granite
Descriptors:
massive
leucocratic

Field Description:

-light pink weathering, homogeneous, equigranular around .5% of 1mm re garnets as dissemination
-small irregular PGMT patches and isolated cm-sized feldspar MEGA
-irregular folded dikes up to 1.5 m thick following and general trend of 320 degrees

Minerals of Note
Mineral Abundance (%)
garnet


Manitoba Geological Survey, 2017