Cross Lake Project (1983-86)
Geologist P.G. Lenton
Year 83
STATION 5095
EASTING 573397
NORTHING 6039825
ZONE 14
DATUM NAD83
Date of mapping 07/07/1983
STRUCTURAL DATA
Structure type | Strike | Dip | Separation |
---|---|---|---|
schistosity | 72 | 80 |
-outcrop cut by several lightly sheared to severly deformed pegmatites
-well developed quartz cores but plagioclase is dominant in intermediate zones
PETROLOGIC DATA
Rock Number: 1
-sequence of massive and pillowed flows
-selvages totally disrupted, contorted, all that remains are fragments of hornblendic matierial and scattered diopside (epidote) pods
Rock Number: 2
Dike
-buff weathering unit with pink and grey fresh surface
-3 m. dikes cutting volcanic. but extensively boudinaged
Type | Mineral | Min. Size | Max. Size | Abundance (%) | Unit |
---|---|---|---|---|---|
groundmass grainsize | 0.0 | 5.0 | mm | ||
mafic mineral | biotite | 0.0 | 0.0 | 2.0 | % |
Manitoba Geological Survey, 2017