The document discusses sedimentology observations from core samples, including descriptions of intense bioturbation and high ichnofaunal diversity in muddy heterolithic sediments. Definitions are provided for bioturbation and bioerosion in sediment textures. Lithological descriptions note bioturbated mudstone, laminated mudstone, and cross-bedded sediments with variable bioturbation.

1. Sedimentology 2/1
•Degree of bioturbation
•Ichnofauna
•Diversity
•Burrow organisation
•Tiering
•Lithology
•Sedimentary structures
Observations

2. Sedimentology 2/2
Muddy heterolithics.
Intensely bioturbated,
high diversity.
Phycosiphon
Teichichnus
Planolites
Chondrites
Rhizocorallium
Inner shelf

3. Sedimentology 2/3
_ 3.41
_ 1.64
_ 2.35
_ 0.21
_ 0.75
_ 2.81
_ 1.81
Log K
Permeability map
Thin section
Core
Microporous nodular limestones

4. Sedimentology 2/4

5. Sedimentology 2/5
“Those aspects of the sediment's texture and internal
structure that arise from bioturbation and bio-erosion at all
scales" (Ekdale & Bromley 1983).
“A record of the primary sedimentary conditions, original
animal community, and subsequent history of one or more
phases of biogenic activity” (Taylor & Goldring 1993).
Definitions

6. Sedimentology 2/6
Bioturbated mudstone.
Laminated mudstone.
Sparsely bioturbated, low
diversity.
Phycosiphon
Thalassinoides
Intensely bioturbated,
moderate diversity.
Phycosiphon
Chondrites
Planolites
Outer shelf

7. Sedimentology 2/7
Cross-beds, clay-draped
foresets, bidirectional,
thick bottomsets, flaser
bedded.
Variable bioturbation,
moderate diversity.
Planolites
Macaronichnus
Ophiomorpha
Thalassinoides
Palaeophycus
Tidal channel