Geology Reference
In-Depth Information
(2)
(1)
Figure 7.8.
(
Continued
) (B) Observed at Crumbling Point, Pleistocene Mackenzie Delta, Canada. (1) Large sand wedge penetrates a sand and diamicton
cryofacies assemblage that overlies a layered cryofacies assemblage consisting of massive icy beds. The person in the photo is
∼
1.8 m. (2) The generalized
cryofacies log and
O
18
profi le obtained from both cryofacies assemblages. At the contact of the two cryofacies assemblages is an isotopic (thaw?) discon-
tinuity. SMOW is standard mean ocean water. See Table 7.4 for explanation of cryofacies types indicated. From Murton and French (1994).
δ
