P. Lenton: Cross Lake Project (1983-86), Station 5014

Cross Lake Project (1983-86)

Geologist    P.G. Lenton     Year    83     STATION    5014
EASTING   567562     NORTHING   6043830     ZONE   14     DATUM   NAD83
Date of mapping    06/18/1983

STRUCTURAL DATA

Planar Structures:

Structure type Strike Dip Separation

schistosity 45 43

**Planar Structures:**
Structure type	Strike	Dip	Separation
schistosity	45	43

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
layered
hornblende - diopside bearing

Field Description:

-as probably pillow basalt
-highly flattened and stretched
-minor sheers, some with rusty gossan

Textural Features

Type Mineral Min. Size Max. Size Abundance (%) Unit

groundmass grainsize 0.0 0.2

**Textural Features**
Type	Mineral	Min. Size	Max. Size	Abundance (%)	Unit
groundmass grainsize		0.0	0.2

Minerals of Note

Mineral Abundance (%)

garnet

tourmaline

**Minerals of Note**
Mineral	Abundance (%)
garnet
tourmaline

Rock Number: 2

Rock Type: granite
Descriptors:
aplitic
biotite - potassium feldspar bearing
pegmatite
sill

Field Description:

-sills ranging from aplite through normal granite to pegmatite
-abundant large tourmalines along contact with amphibolite

Minerals of Note

Mineral Abundance (%)

tourmaline

garnet

**Minerals of Note**
Mineral	Abundance (%)
tourmaline
garnet

Manitoba Geological Survey, 2017