Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 83 STATION 5070
EASTING 571331 NORTHING 6038736 ZONE 14 DATUM NAD83
Date of mapping 06/25/1983

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 72 | 81 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
cataclastic
may be lineated
Field Description:

-same major rock type as much of shore
-hornblende looks to be somewhat lineate
-Granitoid lit abundant along shear planes and are extensivly boudinaged
-Minor areas of possible "old tonalite gneiss".

Minerals of Note
Mineral | Abundance (%)
hornblende

Rock Number: 2

Rock Type: diorite
Descriptors:
porphyritic
boudin or boudinaged
dike
Field Description:

-Appears to be remnants of the mafic dike sequence encountered previously.
-Appears to be cut by younger coarse grained, slightly megacrystic white granodiorite.
-distinct plagioclase phenocrysts

Textural Features
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit
mafic mineral | hornblende | 0.0 | 0.0 | 35.0 | mm
groundmass grainsize |  | 1.0 | 3.0 |  |
phenocryst | plagioclase | 0.0 | 0.0 |  |

Manitoba Geological Survey, 2017