quartz

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Related to quartzose: rose quartz, quartzose sandstone

quartz

(kwōrts),
A crystalline form of silicon dioxide used in chemical apparatus and in optic and electric instruments.

quartz

Drug slang
A regionally popular street term for smokable methamphetamine or crack cocaine.
 
Vox populi
Silica, see there.

quartz

(kwōrts)
A crystalline form of silicon dioxide used in chemical apparatus and in optic and electrical instruments.

quartz

(kwōrts)
A crystalline form of silicon dioxide used in chemical apparatus and in optic and electrical instruments.
References in periodicals archive ?
carbonates, Permian volcanics, Permian silicified carbonates) to quartzose conglomerates followed first by alternations of sandstones and blackish siltites and finally by alternations of limestones and blackish sandstones and siltites.
Similarly to the subdivisions in Wisconsin, the Van Oser Member in Minnesota is described as a medium-grained quartzose sand; and the Norwalk and Waukon Members are very fine-grained feldspathic sands (Thomas, 1992).
End-variables of the quartzose components of the sandstone recalculated for a diamond diagram based on Basu et al.
The sediments were affected by minor tectonism which ultimately led to the development of mature sandstones nomenclature as Quartz arenite and Quartzose arenite.
In the eastern and central Salt Range, coal and carbonaceous shale deposits are present as single beds, which are frequently split by dark grey shale or thin beds of quartzose sandstone.
This formation is dominated by a set of epi-metamorphic marine clastic rocks that mainly consists of slate and some shale (Figure 2(a)) with few quartzose sandstone, calcareous sandstone, limestone, and tuff [45].
Typical rocks for the study area are andesite, quartzose siltstone and loess.
Croix belt is a highly deformed Cambrian-Ordovician (Tremadocian to Sandbian) sequence of shale, wacke, and quartzose sandstone; the Fredericton belt is a thick Silurian (Llandoverian to Ludlovian) sequence of wacke, shale, and calcareous sandstone (Ruitenberg 1967; Fyffe and Riva 2001; Castonguay et al.
Unit M5/1-26.5 m of intercalating sandstones and siltstones with a few beds of quartzose sandstones with Cruziana trace fossils and two horizons rich in nodules at 7.4-7.9 m and at 16.0-17.6 m above the base of the unit.
Quartzose sandstones were deposited in an epicontinental marine environment during Early Devonian times, although in the Pensacola Mountains sedimentation started earlier.
The property is underlain by a marine quartzose sandstone of Cretaceous Mannville age.
It belongs to the Turisalu Formation and is overlain by glauconitic sandstones and clays of the Varangu Stage and underlain by the phosphatic quartzose sandstone of the Kallavere Formation [1].