Depositional dynamics and sequence development in a tidally influenced marginal marine basin: Early Jurassic Neill Klinter Group, Jameson Land Basin, East Greenland - From Depositional Systems to Sedimentary Successions on the Norwegian Continental Margin - page 303

10
Structureless
mudstone

Non-laminated; well
cemented red to grey
coloured mudstone

Sharp lower and upper
boundaries; bed
thickness 2 mm up
to < 10 cm, laterally
discontinuous from
cm to few metres

Unbioturbated (0-1) Deposition as

gravitational non-
cohesive fluid
muds

3E † of tidal channel infill
3B † of tidal channel infill
2A † of tidal inclined
heterolithic strata
1C † of fluvial-tidal transition
1B † of fluvial-tidal transition

11
Laminated
mudstone

Dark-grey to black,
laminated mudstone,
paper shale and
siltstone; content
of rare petrified
tree trunks and
carbonaceous cone-in-
cone structures

Sharp; erosional
lithological
lower and upper
boundaries against
varying sandy facies

?Low intensity (0
to 2); brackish
to fully marine
fauna; mixed
flora; floating
Ammonites,
Belemnite rostra 1

Deposition from
suspension in
wave-influenced
restricted or wide
fully marine or
brackish water
embayment or
lagoon with source
for carbonaceous
debris

5B of mixed tide- and
wave-influenced
heterolithic delta
7B of wave-dominated
open-marine
6C of brackish-marine
embayment
5C † of mixed tide- and
wave-influenced
heterolithic delta

[Abbreviations: Arenicolites (Ar); Asterosoma (As); Belemnite (Bel); Chondrites (Ch); Conichnus (Co); Cylindrichnus (Cy); Diplocraterion (Di); Monocraterion (Mo); Ophiomorpha (Op);
Paleophycus (Pa) Palaeophycus herbertii (Pa-h); Phycosiphon (Ph); Planolites (Pl); Rhizocorallium (Rh); Rosselia (Ro); Skolithos (Sk); Taenidium (Ta); Teicichnus (Tei); Terebellina (Ter);
Thalassinoides (Th) ].
[ 1 Bel rostra = invertebrate skeleton (Belemnite). The term rostrum (or guard) designates the non-septate posterior portion of the belemnite phragmocone].
† Rare or uncommon occurrence.