minor bed

• Concentrate the flow during low flow periods (construction of a thalweg or minor bed).

The dominant limestone of the Margalla is mixed with sandstone and occasional minor beds of shale.

Though filled with glitz and celebrity, the Sundance Film Festival, which wraps Sunday, has been a minor bed of activism over the past 10 days.

The New Albany formation consists of brown, black, and green shale with minor beds of dolomite and sandstone.

The overlying Lower Anhydrite Member consists of microcrystalline anhydrite with minor beds of fine- to medium-crystalline dolostone.

The summit consists of grey to coarse-grained sandstone with pebble layers and minor beds of pebble conglomerate and siltstone that form a prominent scarp.

The Lower and Upper divisions are lithologically similar, comprising clays and marls, marlstones and rubbly oolites, with minor beds of impure limestone.

The Kab Formation consists of dark grey sandy sericitic schists, interpreted as metamorphosed terrigenous rocks, acid volcanic rocks and minor beds of marble and phyllite.

It consists of massive, cliff-forming, fine- to coarse-grained sandstone, with minor beds and lenses of conglomeratic sandstone, and rare beds of siltstone, carbonaceous mudstone, and coal.

Lower Member: typically coarse-grained to conglomeratic sand, with minor beds of silt and mud; present only in depressions in the underlying Devonian formations; typically saturated with water, or poorly saturated with bitumen.