FIELD TRIP IN FORT MCMURRAY, ALBERTA Table 1. Detailed description of three outcrops
Vertical thickness (m)
Lithology
Grain size Sedimentary structures
Oil stain Clay content Facies
Flow unit ranking
Elevation (m)
Shale
Clay
Amphitheatre outcrop �
40
Sandstone Mainly very fine to fine, sometimes medium to very coarse
Sandstone and mud- stone inter- layer
Mainly fine in sandy layer, clay in muddy layer
Horizontal lamination
Planar lamina- tion, ripple lam- ination, planar cross bedding, and trough cross bedding
Bioturbation (burrows of skolithos) and differential- weathering
Vertical thickness (m)
Lithology Shale
Grain size Sedimentary structures
Clay
Horizontal lamination
Planar lamina- tion, ripple
Amphitheatre outcrop �
30
Sandstone Mainly very fine to fine, sometimes medium to very coarse
lamination, pla- nar cross bed- ding (30°~40°), trough cross bedding,
reversed cross bedding, mud rip-up clasts (5~10mm), and soft sediment deformation (10~20cm)
Sandstone and mud- stone inter- layer
Vertical thickness (m)
Lithology Paleosol
Mainly fine in sandy layer, clay in muddy layer
Bioturbation (burrows of skolithos)
90%-100% in sandy layer, and 0%-10% in muddy layer
Grain size Sedimentary structures
Unknown
Horizontal lamination
Daphne Island outcrop �
12
Sandstone Coarse to very coarse
Sandstone and mud- stone inter- layer
Mainly fine in sandy layer, clay in muddy layer
Cross bedding
0%-10% in sandy layer, and 90%-100% in muddy layer
Oil stain Clay content 0% 50%
near the surface, 90%-100% inside the unexposed formation
Bioturbation (burrows of skolithos)
90%-100% in sandy layer, and 0%-10% in muddy layer
50% None
0%-10% Filled chan- nel
Sand-
dominated IHS
3rd 22-25 90%-100% 0%-10% FA1 2nd 2-22
0%-10% 90%-100% Shale inter- val
90%-100% 0%-10% FA1
5th 2nd
36-40 2-17
90%-100% in sandy layer, and 0%-10% in muddy layer
0%-10% in sandy layer, and 90%-100% in muddy layer
Oil stain Clay con- tent
Sand-
dominated IHS
Mud-
dominated IHS
Facies
0%-10% 90%-100% Shale inter- val
Flow unit ranking
5th
Elevation (m)
25-27 4th 28-36
3rd
17-28
Facies
Flow unit ranking
None 1st
Elevation (m)
11-12 9-11
0%-10% in sandy layer, and 90%-100% in muddy layer
Sand-
dominated IHS
3rd
22-25
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