Cross Lake Project (1983-86)


Geologist    P.G. Lenton     Year    84     STATION    5418
EASTING   576301     NORTHING   6060377     ZONE   14     DATUM   NAD83
Date of mapping    06/16/1984

STRUCTURAL DATA

Layering:
Layering type Strike Dip top Direction
bedding 236 85 S

Planar Structures:
Structure type Strike Dip Separation
schistosity 236 85

Linear Structures
Type Plunge Azimuth
clast elongation 0 0

-fabulous section exposing the transition from cross bedded quartz rich sandstone interbedded with organized conglomerate upward into the massive chaotic conglomerates

PETROLOGIC DATA

Rock Number: 1

Rock Type: sandstone

Field Description:

-the sequence upward is cross bedded and graded sands with pebble lags and thin 30 to 50 cm CGLM beds through transition over 40 m where the sand buds thin to 15 to 30 cm and the conglomerates increase to several metrs and become less sorted, coarser and more chaotic
-after 65 m all that remains are rare 10 cm sandy horizons in chaotic boulder conglomerate
-sample of sandstone layer

PHOTOS
1 -cross bedded sands
2 TO 4 -transition zone
5 AND 6 -clast sand horizon up section into chaotic unit


Manitoba Geological Survey, 2017