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A shell or husk; a cod or pod. "The green shales of a bean." Chapman.

A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock.

One who marshals.

To strip the shale, or husk, from; to uncover. [Obs.] I will not unshale the jest before it be ripe. Marston.

Shale or bituminous shale. Kirwan.

That of Dalmatia is so charged with bitumen that it may be cut like soap. -- Bituminous shale, an argillaceous shale impregnated with bitumen, often accompanying coal.

Acrogen. -- Carboniferous formation (Geol.), the series of rocks (including sandstones, shales, limestones, and conglomerates, with beds of coal) which make up the strata of the Carboniferous age or period. See the Diagram under Geology.

re well developed near Cincinnati, Ohio. The group includes the Hudson River and Lorraine shales of New york.

same common ancestor, and bearing the same surname; as, the clan of Macdonald. "I have marshaled my clan." Campbell.

The surface, usually a shield, upon which bearings are marshaled and displayed. The surface of the escutcheon is called the field, the upper part is called the chief, and the lower part the base (see Chiff, and Field.). That side of the escutcheon which is on the right hand of the knight who bears the shield on his arm…

Consisting of the pulverized or fragmentary material of rock, as conglomerate, shale, etc.

of rocks. Beds of fresh-water shells . . . are intercalated and interstratified with the shale. Mantell.

illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also coal oil. It is now produced in immense quantities, chiefly by the distillation and purification of petroleum. It consists chiefly of several hydrocarbons of the methane series.…

A ferruginous variety of shalerite or zinc blende, nearly black in color.

To direct, guide, or lead. Thou marshalest me the way that I was going. Shak.

stones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by the removal of the shale. See Chart of Geology.

ch is displayed; a show; a spectacle; an imposing procession; the movement of any body marshaled in military order; as, a parade of firemen. In state returned the grand parade. Swift.

Baked like potter's lay; -- applied to clay shales that have been converted by heat into a substance resembling porcelain.

A semivitrified clay or shale, somewhat resembling jasper; -- called also porcelain jasper.

A bed of shale over the seam. Raymond.