Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5066
EASTING 570872 NORTHING 6038031 ZONE 14 DATUM NAD83
Date of mapping 06/25/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 56 | 71 |
cataclastic foliation | 56 | 71 |

Several 30-50 cm simple quartz-feldspar-biotite pegmatite dykes with a general northerly trend - extensively sheared

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
lit injection
strongly deformed
inclusions present
Field Description:

-some highly injected mesocratic granodiorite as before with amphibolite and sediment inclusions

Textural Features
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit
mafic mineral | hornblende | 0.0 | 0.0 | 15.0 | mm

Rock Number: 2

Rock Type: diorite
Descriptors:
massive
occurs as a raft
30 % of the outcrop
moderately sheared
Field Description:

-around 30% of outcrop is large raft complex of mela-diorite
-massive, featureless, moderate shearing

Textural Features
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit
mafic mineral | hornblende | 0.0 | 0.0 | 35.0 | %
groundmass grainsize |  | 0.0 | 0.5 |  | mm

Manitoba Geological Survey, 2017