None
Spinel 324-326 Spirek, V., mercury ores 638 Spodumene 360-362, 656 Spreustein 357 Spring, R., platinum ores 670 Spring, W., argentite formed by pressure 621 coloration of clay 484 compression of chalk 531 of peat 726 humus and iron in waters 507 precipitation of organic matter by iron. . . 482 sedimentation 482 Spring, W., and Prost, E., water of the Meuse 86, 105, 108 Springs, potable, analyses of. 60 Spurr, J. E., alaskite and tordrillite. 412 borates 234 dolomitization 543 glauconite 547 iron ores 546 magmatic quartz veins 615 ore deposits 606, 607 Page. Spurr, J. E., primary p3mrhotite 317 succeasion of Igneous rocks 296 Srebenica, spring, analysis 177 Stabler, H., river waters 63 See also Dole and Stabler. Stackmann, A., Lake Durun 154 StafTellte 496 Stahl, A. F., origin of petroleum 701 Stahl, W., on Karaboghaz 154 zinc sulphide '. 639 Stanley, F. C. See Penfield and Stanley. Stannite. 652 Stapfl, F. M., bog-iron ore 506 Stambergeisee, analysis of water ^ 88 Staasfurt salt? 210-217 Staiu-olite 390, 585 Steamboat Springs, analysis oL 175 sinter from. 195 Steatite 394, 578, 579 Stecher, E., carbide theory of volcanism 267 Steenstnip, K. J. V., graphite in basalt 311, 312 Steidtmann, E., alteration of rocks 459 Steiger, G., analyses by 78, 113, 151, 174, 182, 220, 422, 430, 439, 484, 490, 508, 522, 533, 543, 544, 547, 548, 570, 579, 587, 588 solubility of minwab 456 synthetic hydrocarbons 691 See also Clarke and Steiger. Stein, G., formation of quartz 342 fusion of quartz and silicates 280 Stein, S., artificial coaL 728 Steinmann, 0., precipitation of calcium car- bonate 526 Stelzner, A., artificial gahnite 642 associates of pcrofskite 332 Bolivian tin ores 652, 656 melilite rocks 380 See also Schulze and Stelzner. Stelzner, A., and Schertol, A., tin in blende.. . 652 Stelzner, A., and Schulze, H., foyalite in slags 370 Stelzner, A. W., lateral secretion 600, 601 RioSaladillo 163 ore deposits 509 St§p, J., and Becke, F., uranium ores 675 Stepanow, , analysis of water 154 Stephanite 623,624 Stercorite 496 Stemberglte 623 Sterrett, D. B. See Pratt and Sterrett. Stevenson, J., in-imitive atmosphere 63 Stibiconite 660 Stibnlte 603,657,668 Stieglitz, J., carbon dioxide of the atmos- phere 134 StQbite 395 Stilpnomelane 377 Stockvis, C. S. See Saltet, R. H. StOber, F., synthesis of cotunnite. 648 Stokes, 11. N., analyses by 28,60,178,413,414, 417, 419, 421 , 424, 427, 429, 435, 438, 439, 449,517,522,533.566,583, 588, 592, 604 formation of copper sulphides 630 of sphalerite 644 precipitation of copper 626 of lead sulphide 646 776 INDEX. etokgg, H. N.» pyritaaad inm^iHe, 918 folutiontnddepoiltlonoftfvw 630,032 foluUoooffold 617 UUlowclay 644 Btokhaa, J., volcanic nttnuan. 260 6to]ba,F..ontheMoldao 90 River Radbun. 90 ■ynthetitofgaJenm. 645 Stoklte 600,687,668 8toiie,C.H.,ttial7aei of water 70, UO MteiHlpikliUt. 481 Stone, O. H., asphalt. Btorer, F. H. See Warren and Btonr. Stomia, W. H.f borate depostts Stoae, O. W.. vaveUite 406 Streckv, A. and H., marine mod 401 StBenune, H., allophana, halioyrtte, ate 477 ooal 707 deoompositkmofbanlt 4S0 hnmos mbstanoea 460 )pBftll«f^t%m 4gg polymwliatinn of hydrocarbons 700 5m also OagBl and Strenuna. Stnng, A.,baoalto., 473 Btvenglto 406 8tri«ovlto 877 Stnmwyer, C. E., ftnlbilltj and premna.... 277 Strong, W. W., radloaottrtty 800,802 Strontium, dlstilbatkm of 20,682,568 in sea water 110 Btmtt, R. J., age of minmnls. 808 gasesinrocks. 268 helium and geologic time 303 helium in salino minerals 212,302 radioactivity of rocks 300,301,302,303 radium in ocean water 112 Struvito 496 Btubbs, W. C, phosphate rock 504 Btutzer, A., and llartlcb, R., bacterial decom- position of cement 401 Stutter, A., and Reich, A., water analysis cited 1 5<') Stutzcr, O., cobalt ores oeiO graphite 311 Juvcnik) springs 202 kaolinlto ; 468 magmatic bomlte 318 maguetlto ores 328 primary caldto 397 water of pitchstonc 271 Btutxito 622 8tylot}T)ite 630 Suoss, K., vadose and juvonilo waters 202, 606 Tolcanic additions to oceanic salts 129 Bflssonguth, H ., cited 90, 481 Sucr Canal, analysis of water 113 Eulllvan, E. C, copper sulphides 630 deposition of copper 633 Sullivan, G. See Kastle, J. H., etc. Sulphates, reduction by microorganisms 102, 136,137,491,551 Sulphates in sea water 127, 128 Sulphoborlto 214,238 Sulphohalito 235 Sulphur, distribution 20 In atmosphere 44 Bnlplnirln native m. Bank, analyaBi of waten from Solvanito SnngiPalt, Brook, analjib of water. Sopertor, Lake, analyris of water Snaqnflhanna Elver, anaiysis of water Sutton, J. R., diamond. Bvanberg, .analyses hy Svedmark, B., malltiaatkm. See also T6msbohm and Svedmaik. 8vendsen,S.,analya8sordiBBolv«dalr. Sweden, rlveia of Swinton, A. A. C, owiiBkwi of gaasa hf 674 J6i in 94 Swltseriand,takBaof. gr Syenite 416-419, 4a; 614,4V Syepooilte. 5sf Jalporlte. Sylvanlto ci6 Sylvlnite m Sylvlte 318,314,217 S]mgenlte sis Syntagmatite. 967 Syracuse, N.Y., brine, analyaBi of. 171 Ssabd, J., primary lollte WU Si4deciky, J. von, bauxite 47| Ssajnocfaa, , origin of petrolamn 6M,70l Ssathmiry, L. von, wollastonite 809 T. TaalVokano, analyses of water fkon 189 Taber, 8. 5e« Watson and Taber. Taboury, F., selenium in spring waters 178 Tachhydrite 213 Tacke, B. See Minssen and Tacks. Tagar, Lake, analysis of water 159. 163 Tahoc, I^ke, analysis of water 147 Takano, S. See MaTxiry and Takano. Taibot, J. H. .See Binney and Talbot. Takj 304.575-579 Tallow clay 644 Taimage. J. F., water analyses 144 Tamr^ntica, Lagoon, analysis of water 153. 163 Tanator, S., origin of alkaline carbonates 230 Tanoy, Lac 87 Tantalite 678 Tantalum, distribution of 20,678 native 678 sources of 678 Tapajos, River, analysis of water 83,98 Tapalpite 023 Tappeiner, H., formation of marsh gas U97 Tarassenko, W ., constitution of feldspar 346 Tasmonlte 713 Tate, N., analysis of water 64 Taylor, F. W., analysis by 219 Taylor, H., analysis of oannel 717 Taytor, R. A ., cited 1 28 Taylor, W . II ., analysis of water cited 67 Toall, J. J. II., classification of igneous rocks. . 403 dedolomitltation 596 dlflercntiation 297 eutcctic mixtures in rocks 288,401,402 origin of serpentine 394 phosphatizcd tnK*hyte 407,498 the Scourie dike 568-564 INDEX. 777 Page. TealUte 647,062 Tegernsee, analysis of water 88 Tehamose 413 Telsseyre, W. See Mrazec and Telsseyxe. Tekir-Ghiol, Lake, analysis of water 161, 162 TeUurides 615, 616, 622, 623, 628, 634, 645, 657, 660 TeUuriiim, distribution 20 in copper 628 in sulphur 257 Tenperite 680 Tennantite 623,631 Tennessee River, analysis of water 73 Tenorito 258,632 Tephroite 370 Terbium 20,679 Terlinguaite 634 Termier, P.,alunite 247 lawsonlte 391 levcrriorito 584 optical variations in zoisite 386 riebeckite rocks 309 Terrell, A., artificial dolomite 536 native platinum 609 water analyses 156 Tesch, P., solubility of fossils 628 Tetlow, W. E., water analysis 85 Tetradymite 667 Tetrahedrite 623,631,634 Thallium, distribution 20 Thames, River, analysis of water 85, 98 Than, C. von, ionic statement of water anal- yses 67 Thenard, P., silico-azo-humic acid 98 Thenardito 235,237,243 Therali te 422 Thermonatrite 227 Thiolc, F. C, Texas petroleum 685 Thiene, H., nature of earth's interior 39, 65 Thinolite 148 Thiopbanes 686 Thiosulphates in spring waters 184 Thoma, , gases in iron 273 Thomas, J. W., gases in coal 723-725 Thomas, P., phosphorite 501 Thompson, A. B., formation of bitumens 702 Thomsen, J., therraochemLstry of sulphides. . 622 Thomson, J. A . , matrix of diamond 308 Thomson, R. D., cited 85 Thomsonite 396 Thorianite 679 Thorite 678 Thorium, distribution 20 in rocks 300 sources of 678, 679 Thorkelsson, T . , hot springs of Iceland 249 Thorogummite 680 Thorpe, T. E., analyses by 173, 175, 176 Thorpe, T. £., and Morton, E. H., analysis of sea water 112 Thoulet, J., chert 619 desert sand 479 lakes of the Vosges 86 sedimentation 482 solubility of calcium carbonate 117 of silicates 121 Page. Thresh, M., manganese nodules 606 Thttrach, H., ocourrenoe of zircon and tita- nium minerals 334,336 Thugutt, S. J., allophane, hailoysite, etc 477 alteration of corundum 323, 457 cancrinite 356 composition of sodalite 355,356 gibbsite and diaspore 474 leucite and analcite 350,361 reactions of calcite and aragonite 627 Thulium 20,679 Thuringite 377,649 Tidy, C. M., water analyses cited 86 Tiemannite 634 Tietzc, E., atmospheric transport of salt 51 Tietze, O., phosphorite 501 Tilden, W. A., gases in rocks 261,262 TiUo, A. von, areas of igneous and sedimen- tary rocks 108 Tilson, B. 8., cited 71 See also Fraps and Tilson. Tin, distribution 20 in sinter 195 ores 652-056 Tinotzky Lake, analysis of water 164 Tinguaite 420, 424 Tinstone. See Cassiteritc. Titanitc 332 Titanolivine 370 Titanium, distribution 20 Tfimebohm, A . E., melilite rocks 380 Tdmebohm, A. E., and Svedmark, E., scap- olite rocks 670 Tdmebohm, A. S., enlargement of quartz grains 614 Tolman, C. F. , jr., oceanic carbonic acid 134 Tolomci, G., iron bacteria 506 Tomblgbee River, analysis of water 68 Tonalite 433 Tonalose 430, 438 Tookey, C, analyses by 709, 712, 714 Topaz 388 Torbanite TOO Tordrillite 412 Tornoe, II., density of sea water 114 analyses of dissolved air 131, 133 Torrico y Meca, vanadiiun in coal 673 Torrey, J. See Barbour and Torrey. Toecanose 414,415,428,429 Tourmaline 392, 393, 589 Tourmaline homstone 589, 590 Trachyte 416 Transition temperatures 281 Transvaalite 663 Traphagen, W., cited 73 Traube, H., sublimation of minerals 260 synthesis of beryL 393 of rutile 333 wurtzite as furnace product 639 zincite 641 See also Bourgeois and Traube. Traunsec, analysis of water 88 Travaglia, R., formation of sulphur deposits. 551 Tra\'ers, M. W., gases from meteorites 273 gases from minerals and rocks 262 778 INDEX. Page. Travertine 192,524,525 Tread well, F. P., and Reuter, M., solubility of calcium bicarbonate 117 Trechmann, C. O., paeudogaylusaite 1 48 Tremolite 3«4 melting point 279 Trener, G. B., genesis of baritc 555 Trid ymi te 339-344 Trinkerite 713 Triphylito 654 Tripuhyite 659 Trobridge, F. O., gases in coal 726 Troilite 316 Trona 227,228,235 Troost, L. See Deville and Troost. Troost, L., and Hautefeuille, P., gases in iron. 273 Truchot, P., monazito, thorite, and zircon ... 339 Truekeo River, analysis of water 147 Tachermak, G . , alteration of atacamite &')2 carbon in meteorite 695 constitution of p>Toxenes. 364 composition of tourmaline 392 gaseous occlusions 273, 274 scapoUte group 383, 571 serpentine 575 theory of chlorites 377,378 of micas 374 Tschirwinsky, W., podollte 338 Tsimeto, K., Japanese phosphates 504 Tucan, F., dolomitization 538 Tucker, G. P. See Pemberton, H. Tufa, barytic 193 Tufa, calcareoiLs 192, 524, 525 Tulare Lake, analyses of water 150, 165 Tungston, distribution 21 ores 666-668 Tunj^stic o<-hcr 667 Tuolunino.se 416 Turgit€ 5()4 Turner, II. \V., California diamonds 310 quartz-alunitc rock 247. 474 TunjuoLse 496 Tuscarora sour spring, analysis 187 Tyrolite 632 Tychito 235 Tyrrell. G. \V., analcite rocks 352 Tyrrell. J. B., native iron 315 TysoDitc 319 U. Ubbclohde, L.. optical activity of petroleum. 703 Uddon. J. A., aerial donudation. i2t) I'Mi},'. J., kryplotile and prisniatine 374.584 Uintaito f^s; I'lc. W., the Mansfeldcr lakes 87, 93 U loxitc 234, 237, 238. 240 Ulko, T., tin deposits 6.") UUik, F.. on the Elbe 90.108 Ulhnamiito 6(X3 Ulrich. E. O. Str Hayes and Tlrich. ririoh, E. O.. and Smith, W. S. T., fluorite. .. 5o6 Ulrich. <]. H. F., awaruite 314 Umangito 628 UinlaulT, .\. F., mercury deposits 6;>8 Umplekose 422 Page. Unakite aw.sn Urallte 365,S64 Uralitization 56J.3M Uralose 444 Uranlnite 675 Uranium, distribution a ores of 672-67B See aUo under radioactivity. Urao. See Trona. Urbaln, 0., rare earths in fluorite 319 rare metals in blende 631 yiterbium 21 Urbas, M., silicate fusions 291 Urmi, Lake, analysis of water 158. Ifi Urtitc 422.423 Urtose 422 Uruguay River, analsrsis of water 83,98 silica in 99 Uslglio, J., concentration of sea water 207-200 Ussing, N. v., alteration of arfvedaonite 369 Utah Hot Springs, analysis 172 Utah Lake, analyses of water • 145 Uvaldose 436 Uvarovite 381 V. Vaalose 439 Vadose waters 201 Valentin, J., fluorite 556 Valentine, W., analysis by 4& Valentinite 659 Van. Lake, analy.sis of water 158. 165 Vanadinite 650. 674 Vanadium , distribution 21 in bauxite 476 in bitumen 674. (89 in .salt clay 211,673 ores of C7J-678 Van HLse, C. R., actinolite magnetite schist . 365 alterations of conmdura 323 of hematite 330 amount of carbon dioxide in atmosphere. 45 average composition of clays, schists, etc 592,593 chert 520 ferruginous schists 5S2 fineness of sand particles 524 formation of iron ores 546 magmalic (juartz veins 615 magmatic waters 606 mica schist 588 ore deposits .599.606 origin of magnetite 329 porosity of sand 514 quartzite 580 relative proportions of sedimentary rocks. 29.31 volume changes in alteration of minerals. 563 volume of ground water 33 zinc deposits 644 zones in lilhosphere 558-560 Sre also Irving and Van Ilise. Van Horn, F. K.. alkali-hornblende 367 Van Niiys, T. C, and Adams, B. F., cited... 44 Van Kiesen, , analysis by 579 Van't HolT. J. II.. geological thermometer... 216 on Stassfurt salts 213-217 INDEX. 779 Page. Van't Hofl, J. H., syntheses of borates 236 Van't Eoff, J. H., and Barschall, H., on glaserite 212 Van't Hoff, J. H., and Farup, P., marine anhydrite 215 Van't Hoff, J. H., Kenrlck, F. B., and Daw- son, H. M., tachhydrlte 214 Van't Uofl, J. H., and Meyerhoffer, W., on langbeinite 213,214 Van't Hod, J. H., and Welgert, F., formation ofanhydrite 215 Vanthoffite 212,217 Van Wagenen, T., soda niter 246 Van Winkle, W., analyses by C9, 70, 71, 72, 73, 74, 76, 77, 79, 150 Van Winkle, W., and Eaton, F. M., waters of California 03.78 Variscite 496,498 Varon, G. See Henriot and V^aron. Varvlcite 509 Vasculose 727 Vater, H., alkaline carbonates 230 anhydrite 215 artificial hematite 329 calcite and aragonite 527 Vaughan, T. W., fuller's earth 484 precipitation of calcium carbonate 525 Vauquelinite 650 Vaux, F., coal analyses 717. 719 Veatch, J. A., boron in sea water 1 10 Vegetation, as agent of rock decomposition. 459, 460 Veins, metalliferous 607-613 Velain, C, artiOcial tridymite 341 volcanic gases 255 Venable, F. P., on periodic law 36 Venanzite 435,436 Venanzose 436 Verde-antique 595 Vermiculite 376 Vermilion 635 Vemadsky, W., andalusite, kyanite, ailliman- ite 584 artificial corundtun 323 calcination of dimiortierite 392 of topaz 388 formation of sillimanite 388 of spinel 325 fusion of muscovite 376 rare elements in rocks 27 Vemadsky, W. 8., and Popoff, S. P., borax. . 238 Vemon-Harcourt, L. V., sedimentation 482 Versailles alum well, analysis 177 Vesterberg, A . , dolomite and magnesite 539 Vesuvianite 383 Veazelyite 641 Vetter, F. , deposition of calcium carbonate . . 193 Vichy, spring deposits 193, 194 Vichy waters, analysis 180 Vierthalor, A., cited 112 Viezzenose 422 Villarello, J. D., mercury ores 034 ViUe, L., RiverCh6Iif f»2 Villiaumite 354 Vils, River, analysis of water 92 Vinagre, Rio, analysis of water 188 Viola, C, occurrence of lawsonlte 391 Page. Violette, , charcoal 736 Virginia Hot Springs, analysis 182 Viridite 574 Viry phosphatic water, analysis 186 Vistula River, analysis of silt 481 analysis of water 94 Vivianite 496,605 Voelckor, J. A., composition of apatite 336 Vogel, H. , platinum in metallic ores 672 Vogelsang, H., viridite ^ . 674 Vogt, J. H. L., anorthite in slags 346 apatite in slag 337 augite in slags 363 bog-iron ore 606 cassiterite as a furnace product 336, 652 chromite deposits 327, 666 distribution of the elements 27, 38 of vanadium 673 eutectic mixtures in rocks 288, 280,343 eutoctics in classiflcation of rocks 401, 402 formation of hematite 330 of magnetite 328 of p3rroxene 360 fusion of garnet 381 gohlenito group 379 ionization in magmas 292 magmatio iron ore 297 magmatic pyrrhotite 317, 318, 661 magmatic waters 606 manganese ores 610 molting points of minerals 277, 278, 279 mica in slag 374 native silver 620 olivine in slags 370 on assimilation theory 295 ore deposits 699,606 platinum in p>Trhotite 672 solubility of sulphides in magmas 291,317 synthetic enstatite 368 tin deposits 666 wollastonite in slags 369 Vohl, H., water analysis 88 Voit, F.W., nickel deposits 662 origin of diamond 308 Volborthite 674 Volcanic gases 248-276 Volcanic explosions 271-276 Volcanic mud and sand 488-480 Volcanism, ascribed to radioactivity 301,302 hot springs and 202 Voltzi te 639 Vouga, , origin of petroleum 700 Vredenburglte 610 Vufinik, M., formation of augite 363 formation of hercynite 326 of magnetite 328 fusion of acmite 361 of mineral mixtures 286,291 Vukits, B., formation of augite 363 formation of magnetite 328 of sphiel 325 fusion of mineral mixtures 286, 291 W. Wabash River, analysis of water 73 Wad 509 780 TBDXt* Wado, H. R. Sm Fftil jw, O. H. Wadfworth, M. E., iduomlte ntttivo ooppor. Waggaman, W. H. Sm Patten and Wagga- man. Wagnar, P. A., diamond 308 Wagoner, L., fold and itlver In rocks OlS gold In aaa water Ill Wahl, W. H., compoaiUon of mateoritei S9 Waidner, C. W., and Bagev, Q. JL, tam- pentareofeteeCrioarD ISO Wait, C. E., antimony depoiUs 068 Wait, F. a.,analyaeib7 80,151,174,180 WakarnaaRivWyanalytlB of water 75 Waldi«n8ee,anal3ni8 of water 88 Walden, P., origin of petmleom 702 Walker, P. H., analyaii by 500 Walker, T. L., magmatlc diflerentiatlan 907 nickel depodta 001,062 Walker Lake, analysis of water 1€7,166 Walker River, analysis of water 147 Wallaoe, E. C. See Ricbaidaon and Wallace. Wallaoe, R. C, silicate fusions 286 Wallace, W., sandstones. 517 Wallflr,E., analyses by 144,326 Waller, 8. A., and Twdvetrees, W. H., tin deposits i. 651 Wa]llch,G.C.,aint 510 Walter, H. 5e0 Wegscheider and Walter. Walther, J., calcareous algae 580 criticism of Odisenius 200 desert salts 224 origin of graphite 310 laterite 470 Walthcr, P., native tantalum 078 Wanklyn, J. A., free iodine in spring water. . 172 Ward, L. K., tin deposits Co4 Ward. W. J., analysis by 712. 714 Wardlle 49o Warlnpton, R., absorbent power of hydrox- ides 477,478 ammonia in rainfall 4y chlorides in rain fO decomposition of calcium phosphate 4015 origin of boric acid 2« sulphur in the atmosphere 41 Warren, C. H.,anorthite in limestone 3-i9 iron-anthophylllte 364,372 minerals in sand 4S0 See also Hidden and Warren, Johnson and Warren. Warren, C. M., and Storer, F. IT., artificial petroleum (.92 Rangoon oil Os^i Warrenlte (^47 Warsaw, N. Y., brine, analysis of 171 Warth, H., calcium carbonate 627 clus:$incation of Igneous rocks 400 gibbsitc 471 Warth, II. and F. J., laterite and bauxite. ... 471 Washington, II. 8., alteration of biotlte 375 anulclte in tinguaite 362 analyswby 424. 420, 436, SWi average composition of Igneous rocks 24 distribution cf the elements 38 Waditngton, H. 8,, ijaueophane roda M kaersatite and llnoBlte m leoctte in igneous rocks 3S1,4S qnantitatlTe cfasriflcatlon 410,fii reiattve abnndance of mlnefrajs M See also Kant and Washlnston. Washington, H. 8., and Wright, F. £., car- neglelte itf Water, Inflaenoe of, on magmas. 882,81 Water analyses, statement of S Wateree River, analysis of water a Water glass 281 Waters, daarifloatlon of I8a-1« Waters, J. W^ nkUoaetire minerals. 300 Watson, H.B.,hellnm and neon in air m Watson, T. L., barite 555 bauxite 472,4i3 decomposition of diabase 4M manganeseoros 510 VirglnlaratUe 3M sine deposits 644 Watson, T. L., and Taber, S., ndsonlte.... 384. 4tf Watts, W. L., waters accompanying petro- leum *... TOO Wanters,C.,eited. Wavelllte 405 Way, J. T., absorption of potssstum by soOs.. 477 Wayne, E. 8., analysis by 172 Weathalng,beltof. 55S Weber River, analysis of water 145 WetsSky, J., analyses of peat 70S gas fiom peat 723 "Websky ite 394 Wcbsterite 440,441 Websterose 441 Wedd, C. B., barytic sandstones 515 Wedd, C. B., and Drabble, G. C, fluorspar. . oS6 Wedding, H., and Fischer, T., gases in iron. . 273 Weed, W. H., copper ores 629 gold in igneous rocks .* 316 iron sinter 546 on siliceous sinters 195. 196 ore deposits 509,607 secondarj' enrichment 611 tin deposits 665 travertine 536 Weed, W. II., and Pirsson, L. V., alteration of leudte to analcite 362 origin of corundum 323 orpiment and realgar G57 Weeks, F. B., tungsten ores (68 Weeks, F. B., and Ferrier, W, F., phosphate rock 503 Weeks, J. Ti., manganeee deposits 610 Wcems, J. B., leadandzincin llmestoDes 043 Wogscheider, R., and Walter, II., gaylussite and pirasonite 235 WehrUte 440,441,657 Wehrlose 441 Weibull, M., formula of lollle 385 manganese in spring water 194 VMUviam'te 383 Wcidman, S., iron on^s 546 WoJgand, B., serpentine 575 Weigel, O ., solubiUty of sulphides COS INDEX. 781 Page. Weigert, F. See Van't Iloff and Weigert. Weingarten, P. See Jannasch and Wein- garten. Weinschenk, E., constitution of pyrite 318 garnet group 381 nickel ores 602 nontronite 468 origin of graphite 310,311 serpentine 576 synthesis of apatite 337, of argentite C21 of chalcocite and covellite 629 of cinnabar 638 of galena 646 of orpiment and stibnite 057 sulphides of cobalt and nickel 661 talc pseudomorphs 578 Weiss, F., origin of kaolin 4GS Weiss, K. E., chromite deposit 666 Weisswasser, analysis of water 90 Weld, C. M., iron ores 506 Wellcome, II. S., analysis of salt 219 Weller, A., nitrogen in petroleum 686 Wells, O. M., phosphate rock 502 Wells, n. L., sperrylite 672 Wells, n. L., and Penfleld. 9. L., sperrylite. . 672 Wells, J. W., arsenic mine 659 molybdenite 667 Wells, R. C, copper in basalt 602 mine water 604 precipitation of sulphides 612 vanadium in asphalt 674 WeUsite 395 Welsbach, Auer von, ytterbium 21 Wendebom, , mercury dei>osits 638 Wendt. A. F., tin deposits 056 Werner and Fraatz, samsonite 623 Wemerit« 383,571 Werveke, L. van, occurrence of chlorltold. . . 376 iron ores 549 Weser River, analysis of water 94 Westgate, L. O., epidote-quartz rock 572 metamorphosed limestone 596 Westphal. J., cited, on Stassfurt salts 210 West Baden Spring, analysis 178 Wethered, K. B., oolite 525 Weyberg. Z., synthesis of acmite 361 of3odalit« 355,356 Wheeler, A. S. , analyses of sea water 113 Wheeler, H. A .. blende in lignite 640 clays 484 lead silicate 651 See also Luedeking and Wlieeler. Whewellite 708 Whipple, O.C., cited SO Whitby well, analysis 174 White, A. F., chemical denudation 67, 103 White, C. J., ocean water 112 White, I. C, grahamlte Ji88 White, J., barium in artesian water 193 White, W. P. S^e Allen and White. White Island hot lake, analyses of water 189 White River, analysis of water 72 White Sea, analysis of water 113 Whitfield, J. E., analyses by 192, 194, 195, 196, 413, 430, 441, 544 Page. Whitney, J. D., sine deposits 644 Whitneyite 628 Whittle, C. L., ottrellte schist 58(> Wibel, E., cited 112 Wichmann, A., alteration of iolite 386 glaucophane rock 565 minerals in sand 479 sericitic rocks 507 Wiegand, E. See Beilstein and Wiegand. Wieland, G. R., silicious oolite 520 Wiesbaden, aualy^ of water 173 Wleslcr, A., gold in sea water Ill Wilder, F. A., gj-psum 220 Wilkinson , C. , precipitation of gold 619 Will, \V., and Pinnow, J., diamonds in meteorite 308 Willamette River, analysis of water 78 WUlemite 641,642,644,045 Williams, A., gold sulphide 614 Williams, C. P., zinc in waters 604 Williams, F. H., hydrocarbons in iron 690 Williams, O. F., matrix of diamond 308,309 Williams, Q. H., allanite and epidote 380 chloritization 574 corundum, emery, and spinel 322 epidotization 571 occurrence of magnetite 328 of perofskite 332 of pyroxenes 304 of spinel 326 piedmontite in rhyoiite 387 saussurite rocks &)6 sericitization 567,568 serpentine from peridotite 394 uralitization 563,564 Williams, I. A., clays 484 micrometric analysb of rocks 451 WUliams, J., cited 49,50 Williams, J. F., bauxite 474 pseudoleucite 352 See al90 Brackett and Williams. Williams, K. See Ebaugh and Williams. WUlis, B., cited 70,526 Willm, E., analyses by 162, 184 See also Jacquot and Willm. Willyamite 060 Wilm, , palladium gold 015 Wilmington Lake, analysis of water 152. 165 Wilsmore, N. T. M. See Craig, A. W. Wiluite 383 Winchell, A., cosmical atmosphere S2 Winchell, A. N., chalcopjrite and bomite. . . 028 origin of graphite 311 Winchell, H. V., chalcocite 630 Winchell, N. H., and H. V., iron oreS 546 Winkler, C, origin of nickel-iron 313 trona 228 uranium in coal 678 Winneraucca Lake, analj'ses of water 147, 165 Winslow, A., zinc ores 648 Wisconsin River, analysis of water 71 Witt,H. M., river water 85 Witter, F. M., gas well 606 Wittich, E.,casslterite 653 Wittichenite 630 Wittjen, B. See Precht and Wlttjen. 782 I2n)EX. Pftge. Wittsteln, O., water analysis 91 Woehler, F., carboD in meteorites €©5 g'.ise.s from meteorites 274 S: e alM Deville an«i WShler. Woehler, L., and Kasamowski, color of salt. . 220 Wohlerite 363 Woemltz, River, analysis of water 92 Wolf, T. , volcanic gases 254 Wolfachite 660 Wolfbaiier, J. F., water of tlie Danube 92,93 Wolff, F. von, volcanlsm and radioactivity. . 302 Wolff, J., arliQcial diamond 307 waters of Mecklenburg 93 Wolff, J. E., Franklin line ores 545 ottrelite 686 Wolframite 667,668 Wollastonite 358, 359, 594 Wollastonlte gneiss 597 Wolle, C. A., analysis of spinel 324 Wood 705-708, 721 Wood, A. See Campbell and Wood. Woodward, R. 8., geodetic data 22 Woodward, R. W., analyses by 146, 192,195,224,225,520 Wooten. See Magnenat and Woolen. Workman, R., primary caldte 397 Wright, A. W., gases from meteorites 273 gases in rocks 261 See also Hawes and Wright. Wright, F. £., crystallized copper and silver. 627 Set also Allen, E. T.,and Shepherd, E. S. Wright, F. E., and Larsen, E. S., quarts as geologic thermometer 342 WQst, E., kaolin 468 Wulf, II., scapollte rock 571 Wulf, J., wollastonite rock 359 Wulfenite 650. 666 Wiilflng, E. A., composition of tourmaline. . . 392 Wlirmsoe, analysis of water 88 Wurtz, II., analysis of water cited 60 hiintlllte and anlmlkite C2I solvent of KoM 617 Wiirtzilite 087 Wiirtzlte (V39, 040 Wyatt , F., phosphates 501 WyomlriKite 424 WyoniiiiRiJse 424 WyroubofT, (i., Mei.^eii "s reaei Ion 527 X. Xaiithitane 333 XaiitluMonile 023 Xaiithophyllii*' 373 Xuntlu)si(lorite 504 Xrnon 21,40, 109 Xi-noliiiie 338,079 Xmgu, Uiver, analysis of water 83,98 Y. Yainasaki, N., i»ie'linontite 347 Ycatos, W . S., i-opjxir pscudomorphs 020 P»«e. Yellowstone Natkmal Park, anatysas of wa- ters 74.182.I&5,1S$ spring deposits 192, 194, 195,1% Yellowstonooe VO Yeneseisk, Siberia, saline lakes \S0 Yogoite t» Young, A. A., enlargement of quartz grains . Z\A Young, B. R., anaicite diabase 332 Yoimg. G. See Irvine, R. Ytterbium 21 .079 Yttrialite ticO Yttrium, distribution 21 sources of. C79-OJ50 Yttroccrite 319 Yttrocrasite ttO Yukon River, analysis of watT 78 Z. Zaleski, S. S., cited 95 Zalinski, E. R., thuringite and chamosite 549 Zsk>ziecki, R., formation of petroleum 099, 703 mirabiUtc 216 Zalozieckl, R., and Haiismann, J., Rouma- nian petroleum 685 Zsk>ziocki, R., and Klarfeld, H., optical ac- tivity of petroleum 703 Zambonini, F., &kermanite 379 gehlenite group 379 moly bdosodalite 355 pscudonephilite 353 sublimed galena 258 Zaracristi, , Colombian nitrates 244 Zaratite 663 Zeillcr, R., compression of peat 720 paper coal 714 Zelinsky, N., cited ItC Zemfiuzny, S., eutectics 402 Zcmjatschcnsky, P. A., hydrogoethite 504 Zem-zem, analysis of water 186 Zeolites 395. 3y0 Zepharovichite , 4'.4> Zictrisikiio 087 ZUlaruello, A.. Chilean nitrates 242 Zilliaeiis, A ., analysis by 422 Zine, distribution 21 in .s«>a water Ill on"< of 038-t>45 Zincaliiminite Ml Zincite 041 .044,Mo Zinkenile 047 Zinnvval'iite 372 Zireon 330.078 Zircon pyrox<'nes iWwi Zirconium . dLslribution 21 sourc'S of 078 Zilo\vitv,ch, — , gas*'*" in coal 723 Zoi'^ite ;t80 Zoii^ite rocks .'i70 Zorgite 045 Zschimmer, K., alteration of micas 376 Zuber, U., origin of petroleum 097 Zulkow.ski, K.. andulusite group 389 Zurich, Lake of, analysis of water 89 O t I I'll I' ' ' II II 'I Stanford University .11 1 libraries II. 1 > . > 1 3 blDS 023 Sbl tat ^ 3 bios 023 Sbl bflb. 