Geoscience Reference
In-Depth Information
Fig. 6.2
Typical
petrophysical contrasts
within aeolian systems
1000mD
Slipface
sands
100mD
10mD
Cemented
sands
1mD
Wind-ripple
laminae
0.1mD
Damp
sand-flats
0.01mD
10%
20%
30%
Fig. 6.3
Dune core exposed at Clashach Cove, Moray Firth, Scotland
pores
'grainflow'
'dune'
ca.4
00mD
Good
laminae
poor
laminae
'wind ripple'
grains
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
Length scale (m)
Fig. 6.4
Permeability length scales for the Clashach outcrop (Fig.
6.3
)
