The identity of the two channels was further established by the quartzose sand found in both.
The stones are usually imbedded in a matrix of quartzose grit and sand, but sometimes this is very scanty.
But a quartzose hearth is found to answer better, and to be far more durable; such as a bed of fire-sandstone.
According to the French authorities, the dunes of France are not always composed of quartzose sand.
This island, like Number 1, which we visited in 1819, appears to be principally of quartzose formation.
The sand is quartzose, of a white colour, and being a novelty, rendered the place interesting.
The mountains were tinged with an amber-coloured light; and the quartzose crystals sparkled on the peaks of the southern sierra.
The pebbles are principally of slate; but some were found to be of granite and other quartzose rock, perhaps greenstone.
It is usual with quartzose ores to rely mainly on the action of carbonate of soda, but not entirely.
The ground is rocky, composed principally of quartzose detritus swept down by the constant streams.
"silicon dioxide," 1756, from German Quarz, Zwarc "rock crystal," from Middle High German twarc, probably from a West Slavic source, cf. Czech tvrdy, Polish twardy "quartz," noun uses of an adjective meaning "hard," from Old Church Slavonic tvrudu "hard," from Proto-Slavic *tvrd-, from PIE *(s)twer- "to grasp, hold; hard."
quartz (kwôrts)
n.
A very hard crystalline form of silicon dioxide used in chemical apparatus and in optical and electric instruments.
