Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5203
EASTING   567610     NORTHING   6048524     ZONE   14     DATUM   NAD83
Date of mapping    08/13/1983

STRUCTURAL DATA

PETROLOGIC DATA

Rock Number: 1

Rock Type: wacke
Descriptors:
layered
mafic

Field Description:

-looks like much of the well layered mafic volcanic derived amphibolitic sediment common as rafts in Clearwater Bay

Rock Number: 2

Rock Type: pegmatite

Field Description:

-large podded dike - max. 3 m min 45 cm
-quartz-K, feldspar, plagioclase (minor), biotite, tourmaline, garnet
-garnet deep ruby red, tourmaline rare and black vitreous
-white quartz pods
-no primary muscovite
-minor chlorite alteration of biotite
-In general, pretty primative dike


Manitoba Geological Survey, 2017