Environmental Engineering Reference
In-Depth Information
Gamma ray
(counts per second)
100
Sand
Shale
Depositional
environment
50
150
offshore transition
120
Lower/upper
shoreface
110
100
Lower/upper
shoreface
intertidal
Lower/upper
shoreface
90
intertidal
lower/upper
shoreface
80
Offshore transition
Lower/upper
shoreface
70
Offshore
transition
to lower
shoreface
60
Lower shoreface
Offshore transition
50
L ower shoreface
Intertidal flats
and tidal inlet
channel
40
Lower shoreface
30
Offshore transition
Intertidal/
supratidal flats
20
Upper shoreface
/foreshore
10
Intertidal/
supratidal flats
Phosphate and chert granule lag
Glossifungites -demarcated discontinuity surface
Dolomitic cyanobacterial laminite
Dolomitic sandstone
Stylolite
Crystalline dolomite
Sandy dolomite
Breccia
Wackestone/packstone
Encrinite
Calcareous sandstone
Bioclastic grainstone
Siltstone
Sandstone
FIGURE 7 Outcrop section of the Upper Charlie Lake Formation and main body of the Baldonnel
Formation (Late Triassic), West Schooler Creek, Williston Lake, British Columbia, Canada. The
Charlie Lake/Baldonnel contact and numerous internal surfaces within the Baldonnel Formation are
characterized by substrate-controlled trace-fossil assemblages.
 
 
 
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