Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 84 STATION 5491
EASTING 576593 NORTHING 6041943 ZONE 14 DATUM NAD83
Date of mapping 06/28/1984

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
schistosity | 61 | 79 |

-chose since last station augen GRDR with varying proportions of volcanic and gabbroic rock
-photos of agmatite of ultramafics in GRDR

PETROLOGIC DATA

Rock Number: 1

Rock Type: granodiorite
Descriptors:
augened
biotite
Field Description:

-at this location there is 20+ m exposure of ultramafic agmatitized in augen GRDR

Rock Number: 2

Rock Type: picrite
Field Description:

-agmatized inclusions vary from leuco gabbro of peridotite and possible picrite
-sample of most mafic possible picrite
-most agmatite is dilational explosion type

Minerals of Note
Mineral | Abundance (%)
chlorite
hornblende
pyroxene

Manitoba Geological Survey, 2017