Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    86     STATION    6144
EASTING   565264     NORTHING   6027071     ZONE   14     DATUM   NAD83
Date of mapping    06/18/1986

STRUCTURAL DATA

Planar Structures:
Structure type Strike Dip Separation
schistosity 25 79
fault 63 75

-PHOTOS 1,2 -TNLT in GRDR 3 GRDR intruded by aplite, 4 and 5, AMPB in GRDR showing k-metasom., 6 late fault, samples 1a TNLT, 1b GRDR, 1c aplitic granite

PETROLOGIC DATA

Rock Number: 1

Rock Type: multi-component schlieric gneiss

Field Description:

-old grey mafic BO augen TNLT as inclusions in light grey augen GRDR CI=4 to 5
-TNLT contains inclusions of amph. and some old white leuco TNLT lit
-whole mess deformed then extensivly intruded by pink aplitic GRNT (CI<1) and massive pegs, then deformed and sheared
-occasion K-metasand?? of TNLT and GRDR adding pink K-spar porphyroblasts


Manitoba Geological Survey, 2017