Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    83     STATION    5188
EASTING   573435     NORTHING   6057834     ZONE   14     DATUM   NAD83
Date of mapping    08/07/1983

STRUCTURAL DATA

-pegmatite NE of intrusion North Group source
Anderson A-30

PETROLOGIC DATA

Rock Number: 1

Rock Type: pegmatite

Field Description:

-SAMPLES
1. Beryl: this dike doesn't have the bright white beryl of South group the yellow green of the main North group dikes but more of a pale yellow to cream

2. 3 samples of possible arsenopyrite - 2 in tourmaline, one in quartz
The general character of dike is not typical of N or S groups;
(1) little or no apatite
(2) rare and strange colour beryl
(3) garnet pale orange and deep red
(4) little primary muscovite
(5) no spodumene


Manitoba Geological Survey, 2017