INDEX 751 pyrrhotite (FeySg) carbonatites 3:221t crystal structure 3:575?, 3:577f hydrothermal ore deposits 5:394t occurrence 3:584, 3:585t phase transformation diagram 3:580f physical properties 3:577?, 4:149t stability 3:579f, 3:580f sulphidation curves 3:582f Q Qiangtang terrane 3:144f Qinghai-Tibet Plateau 1:353 Qingshania magnifica 4:357 Qinling Shan-Dabie Shan-Sulu terrane belt 1:350-351, 1:352, 5:537 Quaoar 5:223, 5:294 quarrying 4:399-405 aggregates 1:35 background information 4:399 career opportunities 4:401 design 4:400 engineering considerations 4:401 environmental issues 4:401, 4:404t general description 4:399f geological factors 4:400 military geology 3:478, 3:479/~, 3:480f, 3:484f operational considerations 4:399 planning considerations 4:401, 4:404? quarried stone geological characteristics 4:400, 4:402? joint sets 4:401 f mass characteristics 4:400 physical properties 4:400 regional characteristics 4:403? quarry restoration 4:402 quarry types 4:400, 4:403? quartz diorites 3:237? quartzites 3:396f, 5:27?, 5:29f quartzofeldspathic rocks 3:396, 3:396/", 3:397, 3:399/", 5:535-536, 5:538, 5:S38f quartz (SiO2) 3:569-571 amphiboles 3:505 carbonatites 3:223? cementation 5:143, 5:143f, 5:144f chalcedony 3:570, 5:35-36, 5:51, 5:52f chemical composition 3:569-570 chemical diagenesis 1:394 cristobalite 1:368, 3:569-570, 3:570f, 3:571 depth effects 5:63^ diagenetic processes 5:145f diaplectic minerals 3:281-282, 3:282f fused minerals 3:28If glauconite 3:542? granites 3:240 hydrothermal fluids 3:629? industrial uses 3:570 karst landscapes 4:679 kimberlites 3:248? Lagerstatten 3:313 metamorphic facies 3:400/", 3:401f Meteor (Barringer) Crater, Arizona, United States 3:571 palisade quartz 5:533, 5:534f planar microstructures 3:282, 3:282f sand 5:142 sandstones 5:143?, 5:143f shock metamorphic effects 4:221, 5:183t silica 3:570, 3:570f structure 3:570 tridymite 3:540f, 3:569-570, 3:570f, 3:571 types 3:570 ultrahigh-pressure metamorphic rocks 5:533, 5:533f, 5:534f Venus 5:247? weathering 5:17 quartz wackes 5:27?, 5:2 8f Quaternary Baltimore Canyon trough 4:104f cephalopods 2:389f East European Craton 4:461 Fiji 4:120 Holocene 2:147-160 background information 2:147 Baltic Sea 2:149-150, 2.-152/, 2:153f, 2:155-159, 2:156f, 2:159? climate 2:147, 2:148f, 2:159? dating methods 2:147 environmental periods 2:159? Global Standard Stratotype Sections and Points (GSSPs) 5:506f human activity environmental conservation 2:154 environmental effects 2:152 historical developments 2:159? industrialisation effects 2:155, 2:156f Neolithic period 2:152 phosphate concentrations 2:156f International Stratigraphic Chart (ICS) 5:517f North Africa 1:25 sea-level changes 2:149-150, 2:150/", 2:151f,2:154f,2:155f vegetation 2:147, 2:149f, 2:152f, 2:153f 2:155f New Zealand 4:7 North American chronostratigraphy 4:2 6f ostracods (Ostracoda) 3.-460/", 3:462 palaeoclimate 4:133-134 palynology 3:464 Pleistocene 5:493-499 archaeological sites 5:496f Australia, Phanerozoic 1:23O/", 1:236 background information 5:493 biodiversity 1:260-261 biostratigraphy 5:495 biota 5:495, 5:497/i 5:498f caves (endokarst) 5:497 extinction events 5:497-498 geomagnetic polarity time-scale 3:332f glacial stages 5:496f glaciation 4:131, 4:663 Global Standard Stratotype Sections and Points (GSSPs) 5:506f historical research 5:493, 5:496f human activity 5:495, 5:496f Ice Age 5:493 interglacial pollen assemblages 3:467f International Stratigraphic Chart (ICS) 5:517f Kyrgyzstan 1:167 mammoths 5:498, 5:498f marine oxygen isotope record 5:496f palaeoclimate 5:495 palaeogeography 5:496f reef environments 4:506f tektites 5:444 shelf-edge deltas 4:537 Siberian craton 4:463 Quebec, Canada 3:155, 4:83-84 Queen Charlotte-Fairweather Fault 4:38 Queensland, Australia 2:472, 3:123, 3:142 Quercus 2:420f Quesnel terrane 4:40f, 4:42, 4:46 Quetzalcoatlus 2:509-510 quick clays 1:562, l:563f, 4:690 quicksands 1:555, 1:5 6f R radar altimetry 4:415 applications earthquakes 4:418 ground motion measurements 4:417, 4:418 f roughness mapping 4:416 structural/geomorphological mapping 4:416 subsidence 4:419 tectonic processes 4:418 volcanism 4:419, 4:419f Doppler radar 4:415 general discussion 4:414 ground penetrating radar 1:488, 1:491?, 1:493 f, 1:495 f, 1:497, l:498f imaging radars 4:415 operating geometries 4:415f radar amplitude images 4:415, 4:417f synthetic aperture radar systems 4:415?, 4:417, 4:418f radiocarbon ( 14 C) See carbon (C); radiometric dating Radioisotopes and the Age of the Earth (RATE) 1:386 radiolarians allopatric-speciation 2:163 biogenic silica 4:500, 5:52 Cretaceous 3:366f Cretaceous-Tertiary (K-T) boundary 3:378, 3:378f deep-ocean pelagic deposits 4:646?, 5:72/, S:74f, 5:75, 5:75? extraction methods 3:473 Jurassic 3:356 Palaeocene 5:464 phyletic gradualism 1:27'Of