noun
COLLOCATIONS FROM CORPUS
■ NOUN
crystal
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Top right: Right handed and left handed quartz crystals .
grain
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In addition to studies using the modal composition of a sediment, other provenance determinations can be made from individual quartz grains .
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This phenomenon has been utilized for dating sedimentary deposits of quartz grains .
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A summary of quartz grain features is given in Fig. 5.11 and photomicrographs in Fig. 5.12.
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Minerals giving very low intensity emission, such as quartz grains , required many minutes or even hours of exposure with fast films.
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Sandstone, for example, can hold very large volumes of groundwater because spaces are formed between the rock's rounded quartz grains .
vein
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The shales are folded in an anticline and cleaved with development of cross cutting and saddle reef quartz veins .
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Gold is distributed throughout mineralised quartz veins , not just in sporadic shoots.
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Gold was also reported from minor quartz veins , with pyrite, chalcopyrite and galena, at Stronchullin in Strathclyde.
EXAMPLES FROM OTHER ENTRIES
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a quartz gold watch
EXAMPLES FROM CORPUS
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Halogen bulbs give instant heat, while a quartz grill, the latest innovation, is quick and efficient.
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Mixed in with the global iridium-bearing clay layer are tiny particles of heavily shocked quartz .
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The Pga versus Umaa cross-plot shows quartz as the main mineral.
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Thermoluminescence is a property of crystalline materials, such as quartz and feldspars, which are found in pottery.
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They consist mostly of quartz and feldspars, with a little mica or amphibole.
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This phenomenon has been utilized for dating sedimentary deposits of quartz grains.
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This type of system works by pumping pond water through a quartz tube running parallel to an ultra violet germicidal lamp.
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Within their surfaces are tiny specks of quartz .