scoria


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

scoria:

see pumicepumice
, volcanic glass formed by the solidification of lava that is permeated with gas bubbles. Usually found at the surface of a lava flow, it is colorless or light gray and has the general appearance of a rock froth.
..... Click the link for more information.
.

scoria

[′skȯr·ē·ə]
(geology)
Vesicular, cindery, dark lava formed by the escape and expansion of gases in basaltic or andesitic magma; generally denser and darker than pumice.
(materials)
Refuse after melting metals or reducing ore.

scoria

1. A dark, cellular volcanic rock.
2. Blast-furnace slag or scum.

scoria

1. a rough cindery crust on top of solidified lava flows containing numerous vesicles
2. refuse obtained from smelted ore; slag
References in periodicals archive ?
Designed to facilitate bone tissue in-growth, Scoria features a fully interconnected pore network with an 300um average pore size, over 500[eth]-m layer thickness, and wettable surface.
The surface mimics the lightness of ancient sheets of parchment; it is constructed as a fabric, woven with warp and woof, but contains scoria and fragments of drawings, lacerations and clots of material.
The earth was a black glass and everywhere stones lay upon it as if meteors had fallen and cooled and now lay as black scoria to the horizon.
The upper uneven contours of the case and of the exchangeable plate (E), placed in front of the cylinder served to delimit the light radiating from the rotating cylinder (the contours of the enclosing case correspond to the upper rim of the scoria and the contours of the exchangeable plate to the edge of the solid terrain on the brink of the lava flow).
Different building materials contain suitable aggregates, such as quartz, gravel, crushed stone, bituminous or anthracite cinders, burned clay or shale, and pumice or volcanic scoria, all of which may indicate a particular geographic area.
The beds are planted in Guilfoylesque lozenge shapes, but where that designer's beds were separated by swathes of lawn, Wigandia is set on a base of red scoria.
AT Newcastle, Noel Murless' hot favourite Parthian Plain is withdrawn at the start and Colin Crossley's Scoria (R Smyth) takes full advantage to land the Northumberland Plate for the Wirral based trainer by half a length from Denys Smith's Irish Favour (T Ives).
Gillman GP (1980) The effect of crushed basalt scoria on the cation exchange properties of a highly weathered soil.
Crystal Graphite Corporation is an industrial mineral company operating the Black Crystal Project near Nelson, BC producing high purity flake graphite and its wholly owned subsidiary Canada Pumice Corporation which produces volcanic rock material including pumice and scoria at its Nazko Cone quarry near Quesnel, BC.
Solvay Specialty Polymers, a leading global supplier of high-performance polymers, announced today that Vertera Spine, a pioneer in advanced functional surface technologies for spine applications, chose its Zeniva polyetheretherketone (PEEK) polymer to develop PEEK Scoria, a novel porous surface technology for stable, cost-effective intervertebral joint fusion.
SP and PEEK Scoria this month at the upcoming American Academy of Orthopaedic Surgeons (AAOS) Annual Conference in New Orleans (Booth #1135).