Jasper County Democrat, Volume 4, Number 34, Rensselaer, Jasper County, 30 November 1901 — Cormic Dirst. [ARTICLE]

Cormic Dirst.

It has often been claimed that the presence of nickel in dust is a sufficient criterion to distinguish it no of cosmic rather than of terrestrial origin. It has lately been shown that nickel is found in soot and hence that nickoliforoua dust may be terrestrial. Gallium also is found in all aluminous minerals, in many flue dusts, in many iron ores, in Boot and in atmospheric dust.