rottenstone


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rottenstone

[′rät·ən‚stōn]
(materials)
A soft, decomposed limestone, light gray to olive in color; used in powder form as a polishing material for metal and wood.

rottenstone

A soft, friable limestone; in pulverized form, used for polishing soft metal surfaces and wood.
References in periodicals archive ?
The Rottenstone PGM-Ni-Cu Property, located in northern Saskatchewan, has been the focus of Uravan's exploration efforts since 1998.
The injection of new exploration capital by BHP will increase the potential for the discovery of a Canadian world-class PGM-Ni-Cu deposit at Rottenstone.
BHP's participation in Uravan's on-going exploration effort at the Rottenstone property is considered by Uravan's management to be an exciting and welcomed event.