Vitreous quartzite is rock type primarily made up of fine-grained
One of three rock type definitions that were first applied in the Coeur d’Alene Mining District to the Revett Formation (White and Wilson, 1982) but have since been used in describing other Belt formations as well.
See also
*
*
Wikimedia Foundation. 2010.
Quartzite — Swan Peak Quartzite (Ordovician) ex … Wikipedia
Sericitic quartzite — is a rock type which contains intermediate proportions of quartz and sericite and acts as a brittle unit.One of three rock type definitions that were first applied in the Coeur d’Alene Mining District to the Revett Formation (White and Wilson,… … Wikipedia
US Silver — Corporation (Tsxv|USA) is a mining company based in Wallace, Idaho near Coeur d Alene, Idaho. The Chairman of the Company is John P. Ryan, the CEO is Bruce Reid, and the President is Mark Hartmann.In 2006 USSC purchased the Coeur, Caladay, and… … Wikipedia
Siltite-argillite — is a rock type with silt sized quartz grains that are completely separated from each other by a large proportion of sericite and acts as a more ductile unit.One of three rock type definitions that were first applied in the Coeur d Alene Mining… … Wikipedia
silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… … Universalium
Fused quartz — A sphere manufactured by NASA out of fused quartz for use in a gyroscope in the Gravity Probe B experiment. It is one of the most accurate spheres ever created by humans, differing in shape from a perfect sphere by no more than 40 atoms of… … Wikipedia
Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category … Wikipedia
Dioptase — from Altyn Tübe, Kazakhstan, the type locality General Category Silicate mineral … Wikipedia
Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide … Wikipedia
Chalcedony — A cut and polished Chalcedony geode General Category Oxide mineral Chemical formula … Wikipedia
