Spo

Sand, fine to coarse

Overturned planar cross-beds

Sto

Sand, fine to coarse

Overturned trough cross

Sf

Fine sand with mud

Flaser-rippled stratification

Sw

Fine sand with mud

Wavy-rippled stratification

Hcs

Fine sand and mud

Hummocky cross-stratification

Scs

Fine sand and mud

Swaley cross-stratification

Fr

Sand, silt, mud

Ripple- to climbing ripple cross-lamination

Fm

Sand, silt, mud

Massive

Fl

Sand, Silt, mud

Fine lamination, very small ripples