Graphic log symbols
Lithology
Sedimentary structures
Body fossils
conglomerate (matrix
supported)
planar bedding
ammonite
conglomerate (clast
supported)
lamination
belemnite
cross bedding
bivalve
sandstone
siltstone
brachiopod
trough cross bedding
coral (solitary)
shale
convolute bedding
mudstone
limestone
dolomite
coral (colonial)
current formed ripples
wave formed ripples
scours
evaporite
coal
Bed contacts
echinoid
fish
desiccation cracks
flute cast
load casts
volcanoclastic
sediments
crinoid
gastropod
plant (leaf, stem, seed)
plant (roots)
Other features
oncoids
sharp
ooids
erosional
peloids
gradational
trilobite
vertebrate (bone/tooth)
line through fossil symbol indicates fossil
fragmented
Trace fossils
burrow
intraclasts
bioclasts
vertebrate footprint
nodule
minor bioturbation
palaeocurrent
moderate bioturbation
intense bioturbation