Channel development in the chalk of the Tor Formation, North Sea: evidence of bottom current activity - From Depositional Systems to Sedimentary Successions on the Norwegian Continental Margin - page 569

(A)

(B)

(E)

(C)

(D)

C

150

142

203

Pl

C

Ub

Fo

Th 187

173

Ch

C

Pl 151

143

204

(H)

(F)

(G)

C

C

(I)

77

105

C

14

Ub

Sh

Fig. 12. Facies photographs from the cored part of well 2/8-15 (Figs 7 and 9). (A, B) Facies BAC, bioturbated argillaceous
chalk (Table 2). (C) Facies PFC, pebble floatstone chalk with large polymictic clasts. (D) Facies HC, homogeneous chalk
with burrows and faint lamination. (E) Facies DC, deformed chalk with burrows. (F) Facies DC, deformed chalk with slump
folds. (G) Facies PFC, pebble floatstone with deformed burrows. (H) Facies HC, homogeneous chalk with a strongly biotur-
bated interval (marked by black dotted lines). (I) Facies DC, deformed chalk with water-escape structures. Letter symbols:
C = chalk clast; Sh = shell fragment; Fo = foram fragment; Ch = Chondrites burrow; Pl = Planolites burrow; Th = Thalassinoides