Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5543
EASTING   570804     NORTHING   6057970     ZONE   14     DATUM   NAD83
Date of mapping    07/05/1984

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 111 61

PETROLOGIC DATA

Rock Number: 1

Rock Type:
Descriptors:
QRTZ

Field Description:

-mixed section of quartzite, protoquartzite and feldspathic arenite, all units very muscovite rich
-layering discontinuous and boudinaged, containing quartzite layers behaving in a competed manner and brecciating
-quartzite show delicate lamination

SAMPLE A: massive quartzite
SAMPLE B: protoquartzite or muscovite arkose

Rock Number: 2

Rock Type: granite
Descriptors:
massive
muscovite and tourmaline bearing

Field Description:

-several dike up to 2 m thick deformed and boudinaged of leuco pearlyminous granite
-irregular patches of TL rich pegmatite
-some developed in A-C extension planes at boudinax

Minerals of Note
Mineral Abundance (%)
garnet


Manitoba Geological Survey, 2017