CH

Channel

Any combination

GB

Gravel bars and bed forms

GM. Gp. Gt

SB

Sandy bed forms

ST. Sp. Sh. Sl. Sr. Se. Ss

SG

Sediment gravity flow

Sm. Sh

DA

Downstream accretion macro form

St. Sp. Sh. Sl. Sr. Se. Ss

LA

Lateral accretion macro form

St. Sp. Sh. Sl. Se. Ss; minor Gm. Gt. Gp

LS

Laminated sand sheet

Sh. Sl; minor Sp. Sr

FF

Overbank fine sediments

Fl. Fm

MF

Mixed tidal flats

Sf. Sw. St. Sh. Fr. Fl

SF

Sandy tidal flat

St. SF. Sw. Sl. Sr

SW

Sand waves

St. Sp. Sh. Sl. Sr

TB

Tidal bar

St. Sr. Fr. Ss. Sf. Sw

T

Tempestite

Sh. Fl. Hcs. Scs. Sw

TCH

Tidal to sub-tidal channel

Sm. St. Sp. Sh