Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A rock formed from the metamorphism of quartz sandstone.
from The Century Dictionary.
- noun A rock composed essentially of the mineral quartz.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) Massive quartz occurring as a rock; a metamorphosed sandstone; -- called also
quartz rock .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun a
metamorphic rock consisting ofinterlocking grains ofquartz
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun hard metamorphic rock consisting essentially of interlocking quartz crystals
Etymologies
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Examples
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The quartzite, which is regarded as probably the highest member of the series, forms prominent ridges due to the more rapid erosion of the phyllites, mica-schists and limestones occupying the intervening hollows.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Various
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Richard Davis, who is applying for mining rights, says he intends to turn the canyon into a quarry, but Dr. Bart Kowallis, a professor in the Department of Geology, said the only rock to mine there is quartzite, which is extremely common in Utah.
BYU NewsNet : Home 2009
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The more resistant sequences, such as quartzite, form most of the prominent ranges in the area, while less resistant schist, dolomite and phyllite underline many of the valleys and plains.
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More than 2,000 mounds have been opened, and at least 38,000 ancient relics have been gathered from them: such as quartzite arrow-heads and spades, greenstone axes and hammers, mortars and pestles, tools for spinning and weaving, and cloth, made of spun thread and woven with warp and woof, somewhat like a coarse sail-cloth.
The Discovery of America Vol. 1 (of 2) with some account of Ancient America and the Spanish Conquest John Fiske 1871
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Pushed from different directions, the rocks almost liquefied from the intense pressure and some changed from sedimentary rocks into metamorphic rocks such as quartzite, slate and marble.
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This involved shovel testing for artifacts, mainly rock material such as quartzite flakes or shatter left behind from making tools.
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This involved shovel testing for artifacts, mainly rock material such as quartzite flakes or shatter left behind from making tools.
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But knocking around my basement are several knives, including Swedish Mora blades and some tarnished folding knives, that spark when struck against quartzite or flint.
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The mine's veins of gold and copper ran through quartzite with a high level of abrasive silica, rock so tough that it took all their expertise to keep the drill's hammers from curving off in unwanted directions.
Jeff Hart, Chile Mine Driller From Denver, Becomes Rescue Hero AP 2010
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The mine's veins of gold and copper ran through quartzite with a high level of abrasive silica, rock so tough that it took all their expertise to keep the drill's hammers from curving off in unwanted directions.
Jeff Hart, Chile Mine Driller From Denver, Becomes Rescue Hero AP 2010
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