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 ?
The composition of the scoria droplets was related to the local soil, not to soil from other continents, as one would expect from an intercontinental impact.
The potential source vent of the lava flow flowing into the maar crater is located nearby--it is the Podhorni vrch scoria cone (Fig.
The filtering capabilities of a scoria based porous concrete coupled with the strengthening nature of corrosive resistant fibers will help open doors for different uses of porous concrete.
The Volcanic cones form more than 20 cones which dispersed along a 10 km wide and 80 km long zone of the main fissure, built up of scoria, spatter and clastogenic lava flows.
The red scoria stone used for headpieces found on some of the moai came from solidified froth of volcano lava.
It's made up of Hydrocell 40 flakes, scoria and composted pine bark.
Quartz crystals, chronite, scoria were among the other displayed minerals.
Quatrz crystals , chromite, scoria were among the other displayed minerals.
Near the top of this unit is a zone of brecciated scoria, slag-like basalt containing numerous amygdules, all less than 2.5 cm in diameter.
These features can be used to elegantly explain growth of scoria and spatter cones and how magma finally escapes laterally to form lava flows.
The team examined the way the hats, each weighing several tons and made of red scoria were moved by Polynesians between 500 and 750 years ago.