Cross Lake Project (1983-86)

Geologist P.G. Lenton Year 86 STATION 6318
EASTING 566239 NORTHING 6048181 ZONE 14 DATUM NAD83
Date of mapping 07/09/1986

STRUCTURAL DATA

Planar Structures:
Structure type | Strike | Dip | Separation
cataclastic foliation | 29 | 77 |

Linear Structures
Type | Plunge | Azimuth
rodding | 43 | 23

PETROLOGIC DATA

Rock Number: 1

Rock Type: amphibolite
Descriptors:
cataclastic
basaltic composition
Field Description:

-tectonically layered, black-HB rich
-numerous epidotized pods and veins
-muggy, rusty, gosen patches
-compostional and textural variations across the outcrop
-some layers have 2 to 4 mm rectangular epidote masses disseminated thru it
-this may have been an altered plagioclase prophyric basalt

Minerals of Note
Mineral | Abundance (%)
garnet
epidote

Rock Number: 2

Rock Type: pegmatite
Field Description:

-white modelled with pink
-fairly quartz poor, microcline-rich PGMT
-folded and baudinaged
-contains rare disseminations of blood red GR,
-no MG or peristerite noted

Minerals of Note
Mineral | Abundance (%)
garnet
biotite

Manitoba Geological Survey, 2017