Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6112
EASTING 563272 NORTHING 6043974 ZONE 14 DATUM NAD83
Date of mapping 06/13/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 18 | 57 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
porphyroblastic
leucocratic
Field Description:

-quartz 35%
-I eat crow now-this has to be a porphyritic rock-around 6 % MC megacrysts in a GRDR - TNLT matrix
-tends to be somewhat seriate
-megas range from 5 mm to 5 cm x 4 cm and rare 10 cm x 1.5 cm laths
-definitly not peg. augens here!
-we should do some extensive chem. here

Rock Number: 2

Rock Type: amphibolite
Descriptors:
layered
hornblende - biotite bearing
Field Description:

-streaky partially assimilated inclusion-could be mafic wacke (or anything else) 30x100 cm

Manitoba Geological Survey, 2017