单词	quartz
释义	quartzquartz /kwɔːts $ kwɔːrts/ noun [uncountable] Word Origin WORD ORIGINquartz Origin: 1700-1800 German quarz Examples EXAMPLES FROM OTHER DICTIONARIES a quartz gold watch EXAMPLES FROM THE CORPUS Halogen bulbs give instant heat, while a quartz grill, the latest innovation, is quick and efficient. Mixed in with the global iridium-bearing clay layer are tiny particles of heavily shocked quartz. The Pga versus Umaa cross-plot shows quartz as the main mineral. Thermoluminescence is a property of crystalline materials, such as quartz and feldspars, which are found in pottery. They consist mostly of quartz and feldspars, with a little mica or amphibole. This phenomenon has been utilized for dating sedimentary deposits of quartz grains. This type of system works by pumping pond water through a quartz tube running parallel to an ultra violet germicidal lamp. Within their surfaces are tiny specks of quartz. word sets WORD SETS► Geology agglomerate, nounalabaster, nounanthracite, nounasbestos, nounatoll, nounbasalt, nounbasin, nounbauxite, nounbed, nounbedrock, nounberyl, nounbluff, nouncanyon, nouncape, nouncarboniferous, adjectivechalk, nounchalky, adjectivechasm, nounclay, nouncliff, nouncoal, nouncoastal, adjectivecoastline, nounconglomerate, nouncontinental drift, nouncontinental shelf, nouncore, nouncove, nouncrag, nouncrater, nouncreek, nounCretaceous, adjectivecrevasse, nouncrust, nouncrystal, nouncrystalline, adjectivecrystallize, verbdelta, noundeposit, noundeposition, noundune, noundust bowl, nounearthquake, nounelevation, nounemery, nounepicentre, nounepoch, nounera, nounerode, verberosion, nounerupt, verbescarpment, nounestuary, nounextinct, adjectivefault, nounfeeder, nounfeldspar, nounfiord, nounfjord, nounflint, nounflood plain, nounfluvial, adjectivefold, nounfool's gold, nounfossil, nounfossilize, verbfriable, adjectivegeology, noungeyser, nounglaciation, nounglacier, nounGondwanaland, granite, noungrassland, noungroundwater, noungulf, noungully, nounheadland, nounhinterland, nounhot spring, nounigneous, adjectiveimpervious, adjectiveinactive, adjectiveinlet, nounisthmus, nounjasper, nounjet, nounkaolin, nounknoll, nounlagoon, nounlake, nounlandlocked, adjectivelandslide, nounlandslip, nounlava, nounleach, verblevee, nounlime, nounlimestone, nounloam, nounlowlands, nounmagma, nounmarble, nounmarsh, nounmarshland, nounmatrix, nounmetamorphic, adjectivemica, nounmineral, nounmineralogy, nounmining, nounmoraine, nounmorass, nounmountain, nounmountainside, nounmountaintop, nounmudslide, nounnugget, nounoasis, nounoilfield, nounore, nounoutcrop, nounpalaeontology, nounPalaeozoic, adjectivePangaea, peninsula, nounpermafrost, nounpetroleum, nounpillar, nounpinnacle, nounplate, nounplate tectonics, nounporous, adjectivepothole, nounprairie, nounprecipice, nounpromontory, nounpumice, nounpyrites, nounquartz, nounravine, nounreservoir, nounridge, nounrift, nounrift valley, nounriver, nounrock, nounrock salt, nounsand, nounsand bar, nounsandstone, nounsapphire, nounscarp, nounschist, nounscree, nounseam, nounsediment, nounsedimentary, adjectivesedimentation, nounseismic, adjectiveseismograph, nounseismology, nounsettlement, nounshale, nounshelf, nounshingle, nounsilica, nounsilicate, nounsilt, nounslate, nounstalactite, nounstalagmite, nounstone, nounstrait, nounstrata, stratified, adjectivestratum, nounsubsoil, nounsubstratum, nounsummit, nounterrain, nounthermal, adjectivetopaz, nountopsoil, nountor, nountremor, nountributary, nountrilobite, nountsunami, nountundra, nounturquoise, nounvalley, nounvein, nounvolcanic, adjectivevolcano, nounwatercourse, nounwaterfall, nounwater table, noun Collocations COLLOCATIONS FROM THE CORPUSNOUN► crystal · Top right: Right handed and left handed quartz crystals. ► grain · In addition to studies using the modal composition of a sediment, other provenance determinations can be made from individual quartz grains.· This phenomenon has been utilized for dating sedimentary deposits of quartz grains.· A summary of quartz grain features is given in Fig. 5.11 and photomicrographs in Fig. 5.12.· Minerals giving very low intensity emission, such as quartz grains, required many minutes or even hours of exposure with fast films.· Sandstone, for example, can hold very large volumes of groundwater because spaces are formed between the rock's rounded quartz grains. ► vein · The shales are folded in an anticline and cleaved with development of cross cutting and saddle reef quartz veins.· Gold is distributed throughout mineralised quartz veins, not just in sporadic shoots.· Gold was also reported from minor quartz veins, with pyrite, chalcopyrite and galena, at Stronchullin in Strathclyde. a hard mineral substance that is used in making electronic watches and clocks:  quartz crystals a quartz watch
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