Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5601
EASTING 581081 NORTHING 6063824 ZONE 14 DATUM NAD83
Date of mapping 07/16/1984

STRUCTURAL DATA

Layering:
Layering type | Strike | Dip | top Direction
bedding | 287 | 69 | N

Planar Structures:
Structure type | Strike | Dip | Separation
fault | 256 | 84 |

PETROLOGIC DATA

Rock Number: 1

Rock Type: greywacke
Descriptors:
laminated
mafic
Field Description:

-greenish brown weathering finely bedded greywacke
-hornblende(?) rich volcanic derived material
-laminations comprise 5 to 15 mm graded beds - not turbidite type
-interbedded with 1 to 2 layers of massive lithic wacke that weathers a brown - ochre colour
SAMPLE A: greywacke (lamin)
SAMPLE B: lithic wacke

Minerals of Note
Mineral | Abundance (%)
garnet

Rock Number: 2

Rock Type: greywacke
Descriptors:
massive
volcanic derived
Field Description:

-funny yellow and brown unit above the greywackes
-featureless except for yellow ochre alteration(?) lines in greenish brown weathering rock
-layer is 3 to 4 m thick
-could be a greywacke or a flow

Rock Number: 3

Rock Type: basalt
Descriptors:
BREC
Field Description:

-same dd weathering rubbly mafic with relief weathering by CC-CL veins producing a breccia like look
-same as station 5600
-lies above rock 1 and 2

Manitoba Geological Survey, 2017