Code

Lithology

Textures

Sedimentary Structures

Interpretation

Gm

gravel

pebble-cobble

massive

gravel bar platform

Gmi

gravel

pebble-cobble

massive, imbricated

gravel bar-head

Smc

sand

coarse-grained

massive

suprabar platform

Smf

sand

fine-grained

massive

proximal overbank

St

sand

medium-grained

trough cross-bedded

dunes

Sr

sand

fine-grained

ripple laminated

ripples

Sl

sand

fine-grained

planar lamination

proximal overbank

SSl

silt

coarse-grained

planar laminated

proximal overbank

SSm

silt

coarse-grained

massive

proximal overbank

Fl

mud

silt and clay

planar laminated

distal overbank

Fm

mud

silt and clay

massive

distal overbank

P

mixed

mixed

roots

modern/recent soil