Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6226
EASTING 561169 NORTHING 6033447 ZONE 14 DATUM NAD83
Date of mapping 06/25/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 46 | 82 |

Dikes and Sills:
Rock Number | Type | Width (m) | Strike | Dip
0 | Molson dike | 0.13 | 196 | 80
0 | pegmatite | 0.14 | 211 | 52

-dike pegmatite 211/52, 14 cm tourmaline pegmatite
-Molson dike--> 13 cm low MG variety

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
schlieric or schlieren present
biotite
Field Description:

-augen
-same as #6215
-some suggestion of original foliation that has by remanent shallow - plunging s-shaped trending north
-2 Molson dieks (13 cm and 60 cm) and several late planar pegmatites in same direction as Molson
-5 to 7 % quartz scattered 1 to4 cm tourm.
-sheared parallel to margins with sericitic alteration
-almost no sheet silicates, simple microcline, oligoclase mineralogy

Manitoba Geological Survey, 2017