INDEX TO VOLUME 39

Leading articles are in bold face type; notes, abstracts, and reviews are in or-

dinary type. Only minerals for which definite data are given are indexed.

Accessory minerals in igneous rocks, Alvarolite (Florencio) 1 5 9significance of (Moorehouse) 337 Andalusite, hydrothermal synthe-

Adams, J. A. S. 314 sis of (Roy) 140Adams, J. W.A simple microspec- Andorite series' syntaxic inter-

troscope . . . . 393 growths in (Donnay' Donnay). 161Adams, L. H. and Rowe, F. A. The Annell, C. S., with Stern, T. W. A

preparation of specimens for second local i tv of novaceki te. 675

the focusing-type x-ray spec- Antigorite from Kimonui, Neu'

trometer 215 Zealand, investigation of the

Adelite group (Qurashi, Barnes) +16 crystal structure of (Zussman) 682

Agedetermination, Pb2r0 rnethod Antigorite (ortho-antigorite) from

of (Eckelmann, Broecker, Unst, Shetland Islands, a newKulp) 324 variety of (Brindley' von

Ahlfeldite (Goni, Guillemin). . 850 Knorring). 794Ahrens, L. H. Acceptrnce of The Antigorite from Venezuela, the

Mineralogical Society of Amer- structural formula of (Brin-

ica Award. 302 dler') 391314, 841 Apoanalcite (: natrolite) (Ofte-

Airborne radioactivity surveying, dahl) 406progress in (Stead, Moxham, Arequipite (:bindheimite) (Ma-

Davis) . 345 son, Vi ta l iano). . . 405

Albite in hydrothermal solutions, Arfvedsonitic rhyolite intrusions

solubility of (Frederickson, from Cloghaneely, Co. Done-

Cox). 738 gal (Whitten) . . . 684Alkalifeldspars,hightemperature, Argentopyrite,x-raymeasurements

opt ical and x-ray studies of . on (Murdoch, Berry) 475(MacKenzie) 336 Arnimite (:antlerite?) (Kokkoros) 851

Allanite pegmatite, San Gabriel Arrojadite is a ferroan dickinsonite

Mountains, Los Angeles Coun- (Fisher). 676ty,Cali fornia(Neuerburg) 831 Asbestos,synthetic, investigations,

Allargentum (Ramdohr). 691 I: Study of synthetic fluor-Allen, R. D. with Kramer, H. tremolite (Comeforo, Kohn). . 537

Analyses and indices of refrac- Axelrod, J. M. . . . . 337

tion of tourmaline from faultgouge near Barstow, San Ber- Bannister, F. A. 406

nardino County, California 1020 Barbosalite (Lindberg, Pecora). . . . 849

Allen, V. T. (Book Review) 152 Barnes,'W. H. wittr Qurashi' M. M.

Aluminum arsenate, a new sJm-thetic hydrate of (Katz, Kedes-

The structures of the mineralsof the descloizite and adelite

dy) 1005 groups: I-Descloizite andAluminum in the tetrahedra of sili- conichalcite (part l) . . . . 416

catds and aluminates, distribu- Bassetite and uranospathite (Fron-tion of (Loewenstein). 92 del) . 683

A l u n i t e a n d p y r o p h y l l i t e i n P u e r t o B a t e , G . L . . . . . . . . . . . . . 3 1 5Rico, occurrence of (Smith, Beck, C. W. and Burns' J. H. Cal-H i ldebrand) . . . . . . 344 laghan i te ,anewminera l . .316,630

ro41

1042 INDEX

. . . 6 9 0Belyarrkite ( :creedite) (Ermilova,

N{oleva) 405Benf ie ld, D. A. u. i th Young, R. S.

and Strachan, K. G. A. Cobal tin kimberlites 143

Berman, J. 316Berry, L. G. The crystal structure

of covellite, CUS and klock-m a n n i t e , C u S e . . . . . . 5 0 4

- with Murdoch, J. X-raymeasurements on argentopy-r i t e . . . +75

Berthierite, FeSbzSr, crystal struc-ture of (Buerger, Hahn) . . 319

Beryllonite, corrected unit cell for( \ \ ' ehrer rberg t . . . . . .

B i l g r a m i , S . A . .B lake , \ \ ' . J . .Block, S.Boa to , G .Blggildite (Blgvad, Nielsen)B l g v a d , R . . .Bond type, the problem of (Fyfe)

Bonding energies of some silicateminera ls (Ke l le r ) . . 783

Borate minerals, crystal chemicalstudies of (Christ) . . . . . 32t

Borates, anhydrous, x-ray data on.( T h o m p s o n , G o w e r ) . . . . . 5 2 2

B o w i e , S . H . U . . . . 4 0 3Bradford, E. Four Centuries of

European Jewelry (Book Re-view).

tho-antigorite) from Unst,Shetland Islands 79+

Brobst, l ) . A. 317Broecker , W. S . . . . .320 ,32+Brophy, V. A. 346Brown, H.Buck , D. C. 3 1 8

3 1 8

Brannerite from California (Pabst)Brannerite from Ontario, Canada

(N uffield)Brindley, G. W. The structural

formula of an antigorite fromVenezuela. . .

- with Harris, P. G. Morden-ite as an alteration product ofa pitchstone glass. . 819

--- with Robertson, R. H. S.and Mackenzie, R. C. Min-eralogy of kaolin clays fromPugu, Tanganyika 118

-- and von Knorring, O. Anew variety of antigorite (or-

Buddington, A F. 318Buerger, M. J. The stuffed deriva-

tives of the silica structures 600--, Klein, G. E. and Donnay,

G. Determination of the crystalstructure of nepheline. 805

3 1 9Burns, J. H. with Beck, C. W. Cal-

laghanite, a new mineral . 316,630Buszi te ( :bastnaesi te) (Goni ,

Guillemin) +06Buttgenbach, H. Les Min6raux et

les Roches, Etudes Pratiquesde Cristallographie, P6tro-graphie et Min6ralogie (Book

Review). 843

Cla concentration in modern carbon(Carr, Harris, Broecker) 32O

Ca.hoon, H. P. Saponite near Mil-ford, Utah. 222

Calcite marbles, spectrographic ex-amination of the occurrence ofcertain alkali elements in (Le-

long, Hodge) 647Calcite, thermoluminescence of ar-

tificially precipitated (Zeller) 351Callaghanite, a new mineral (Beck,

Burns) . 316,630Caribou eruptive complex, an in-

t e rp re ta t i on i r r t ime and space(Fr iedman). 329

Carnotote, r-ray data. (Dorrnay,

Donnay) 323Carobbi, G. 848Caroz.zi, A. Petrographie des

Roches Sedimentaires (Book

Review) 1034Carr, D. R. 320Carr , J . M. . . . 684Cha lmers , R. A . . . . . 682"Channels" in thin sections, occur-

rence of (Stringham, Roedder) 384

. 397

. 6833 1 8

. 3263r7848848991

1 5 8109

520

391

Charlnels in thin sections-a reply(Frederickson). . 386

Charnockite Problem (Pichamu-

thu (Book Review) . 847Chayes point counter stage, a modi-

fication of (Rosenfeld) 83.1Chemical analyses of minerals, pres-

entation of (Hey) 841Cheralite (Bowie, Home) 403Chert and related deposits, geo-

chemical study of (Maxu'ell) 336Chinoite (Beck, Givens) . . 690Chlorastrolite ( : pumpellyite)

(Coombs) 406Chlor i tes (Hey). 851Chlorites, structural and chen'rical

c lassi f icat iorr of ; Magnesian

chlor i tes. (Nelson, Roy). 338Chodos , A . A . 318Chr ist , C. L. 321Churchite (Claringbull, Hey) , 851Cipriani, C. 8.18Clabaugh, S. E. . . . 321Clar ingbul l , G. F. . 407, 851Clark, J. R. 321Clarkeite, the chemical formula of

(Gruner) 836Clavan, W., McNabb, W. M., and

Watson, E, H. Some hyper-sthenes from southeasternPennsylvania and Delaware 566

Clay Mineralogy (Grim) (Book Re-

view). . 152Clay Minerals (Nendo-Kobutsu)

(Suto) (Book review)Cloos, H. Conversation *li,h ,h"

Earth (Book Review)Coalescence of hexagonel and cubic

polymorphs in tetrahedralstructures as illustrated bysome wurtrzite-sphalerite crys-tal groups (Mitchell, Corey)

Cobalt in kimb,:rlites (Young, Ben-field, Strachan) "

Coffinite (WeeLs, Thompson)Columbium in ores, determination

of by r-ra1r fluorescence (Ste-venson)..

Comeforo, J. Ii. and Kohn, J. A.Synthetic asbestos investiga-

INDEX

tions, I: Study of synthetic

fluor-tremolite 537

Cor.nposition and Assaying of Min-

erals (Stewart-Remington,

Francis) (Book Review) 687

Compositional evolutiou of a ma-jor marble unit, Grelville

series, trorthwest Adirondack

Mountaitrs, New York (Enge1,

Engel)

Cor-richalcite, stmctLlrerashi, Barnes)

Contact metarnorphism

325of . (Qu-

432in the

Christmas Mouutains, Brew-ster County, Texas (Clabaugh) 321

Conversation t'ith the Earth(Cloos) (Book Review). . . 400

C o o m b s , D . S . 4 0 6Cordierite, twinningin (Venkatesh) 636

Corey, A. S. with Mitchell, R. S.The coalescence of hexagonaland cubic polymorphs in tetra-hedral structures as illustratedby some wfftzite-sphaletitecrystal groups 773

Coronguite:(argentian bindheim-ite) (Mason, Vitaliano) 405

Covellite and klockmannite, crystalstructure of. (Berry)... 504

Cox, J. E., Jr. with Frederickson,A. F. Mechanism of "solutionttof qlt4rtz in pure water at ele-vated temperatures and pres-sures 886

-- solubility of albite in hydro-thermal solutions. 738

Craig, H. 322Crestmoreite, riversideite (:mix-

tures of tobermorite and u'il-keite) (Ta1'lor)

773 Cryptomorphite (:ginorite) (He)',

Ba r r r r i s t e r )

143 Cuttittr, tr'. with Frondel, C. Studies

1037 of uranium minerals (XVI): An

Renardite 448--- with Froldel, J. W. Studies

436 of uranium minerals (XVI):An

alteration product of ianthi-n i t e 1018

1043

685

400

405

406

10M

lation of (Foster)Discredited minerals

INDEX

Das Gupta , A . K . . . 346Davis, F. J. 345deBretteville, A., Jr., with Lefker,

R. and Dodd, J. S. A singlecrystel temperature controlledoven for an x-ray spectrome-t e r . . . . . . . . 9 7 6

Demonstration polariscope (Hurl-bu t ) . . . 333

Derrnen, W. H. 322f)enning, R. M. (Book Reviews) 155, 845den Tex, E. Intertracial angles as

indicators of optical and di-mensional orientation of somemonoclinic crystals in randomsections .. 63

Derived differential thermal curves( F r e d e r i c k s o n ) . . . . . 1 0 2 3

Descloizi te, new occurrence inCumberland. (Kingsley, Hart-l"v) 8+2

Descloizite and adelite groups, thestructures of the minerals of :I-Descloizite and conichalcite(part t) (Qurashi, Barnes) 416

Determination of p and 2V, indirect(Swift). . . 838

D e V o r e , G . W . . . . . . 3 2 3Dewindite. (Hogarth, Nuffield) . 332, 444Diamond Technology-Production

Methods for Diamond andGem Stones (Grodzinski)(Book Review). 157

Diffusion, effect of, on the naturalisotopic abundance ratios,(Senftle) 342

Dioctahedral micas and hydrousmicas, classification and corre-

crystal temperature controlledoven for an x-ray spectrometer 976

Dolomite, equilibrium thermal de-compos i t io r r o f (Go ldsmi th ,G r a f ) . . . . . 3 3 0

Donnay, G. with Buerger, M. J.and Klein, G. E. Determina-tion of the crystal structure ofnepheline

-- with Donnay, J. D. H. Syn-taxic intergrowths in the an-dorite series

Donnay, J. D. H. with Uji iye, N.(Book Review)

(Book Review)Douglass, R. M., Murphy, M. J.

and Pabst, A. GeocroniteDrake, C. L . .Duf f in , W. J . .Dunites and olivine-rich inclusions

in basaltic rocks, origin of(Ross, Foster, Myers)

805

t 6 r323

685843

908349382

693

Distribution of iron, manganese,nickel and cobalt between co-existing pyrite and biotite inwallrock alteration (Nickel) 494

Distribution of major and minorelements among some co-existing ferro-magnesian sili-ca tes(N icke l ) . . . . 486

Dodd, J. S. with Lefker, R. anddeBretteville, A., Jr. A single

Eckelmann, F. D. 32+E c k e l m a n n , W . R . . . . 3 1 5 , 3 2 +Edelsteine und Perlen (Schloss-

macher) (Book Review). . . 846Efremov, N. Ceikielite from Mount

Jemorakly-Tube, North Cau-c a s u s , U . S . S . R . . . 3 9 5

324Einfiihrng in die Kristallographie

(Schneiderhi;hn) (Book Re-view) 686

Eite l , W. The Physical Chemistryof the Silicates (Book Review) 1032

Ekmanite, multiplicity and disorderin the lattice of (Nagy) 338,946

Electromagnetic surveying of drillholes for the detection of con-ducting sulfides (Harvey,

Ward ) . 331Emmons, H. C. Selected Petrogenic

Relationships of Plagioclase( B o o k R e v i e w ) . . . . . . . 1 5 3

Enchanted Rock pluton, Llano andGillespie Counties, Texas,petrology of. (Hutchinson) 333

Engel , A. E. S. 325

. 3284 0 5 , 8 5 1

INDEX 1045

386

1023

886

738329

448683

1018330

991

159

1 A <

842330. )z I

682

395

908

Fahey, J. J.Falkenhayni

(KutinaFarallonite (Faul, H.

E n g e l , C . G . . . . . . . . . . 3 2 5Equilibria relations during thermal

metamorphism of carbonaterocks(Week:s) . . 3+9

E r m i l o v a , L . P . . . . . . . . 4 0 5Ernst, W. G. The St. Peter sand-

stone-Glenwood shale "con-tac t " . . . . 1025

Erzlagerstiitten (SchneiderhOhn)(BookRev i r :w) . . . . . 1035

Eskebornite (Ra mdohr) 691Eugster , H . P . . .326,350Evans, H. T., Jr. 326trwing, M. 349

Myers, A. T. Origin of dunitesand olivine-rich inclusions inbasaltic rocks. . 693

329328Foster, W. R.

Four Centuries of European Jewel-ry (Bradford) (Book Review). 158

Fow le r , W . C . . . . . 322

Francis, W. with Stewart-Reming-

ton, J. The Composition and

Assaying of Minerals (Book

Review) . . . . . . 687

Frederickson, A. F'. Channels inthin sections-a reply

- Derived differential ther-mal curves . .

- and Cox, J. E., Jr., Mecha-nism of "solutiontt of quartzin pure water at elevated tem-peratures nnd Pressures

- solubility of albite in hydro-thermal solutions

F r i e d m a n , G . M . . . . .Frondel, C. and Cuttitta, F. Studies

of uranium minerals (XIV):Renardite

Frondel, J. W. and Cuttitta, F.

Studies of urauium minerals(XVI): An alteration product

o f i an th i n i t e . .F r u e h , A . J . , J r . . .Fyfe,

'W. S. The problem of bond

rype.

Gabr ie lson, O..

Gabrysh, A. F., Preece, E. F', Ya-

ger, M. A. and McCutchen, M.

The variance of x-ray quartz-

powder diffraction patterns

Game, P. M.

Ga r re l s , R . M . . .

Gas t , P . W. . .Gay, P.

Geikielite from Mount Jemorakly-Tube, North Caucasus,

U.S.S.R. (Efremov)

Geocronite (Douglass, Murphy'

Pabst).Geologic age measurements' rela-

. . . . 318 ,327te (: tetrahedrite)

) .Kohanowski).

Osborn)Fergusonite, La and Sc distribution

i n (Wy l i e ) . .Fischer, W. Praktische Edelstein-

kunde (Bool< Review)Fisher, D. J. Arrojadite is a ferroan

d i ck i nson i t e .Flajolotite (:tripuhyite) (Mason,

Vi ta l ianoF laschen , S . S . . . . .F'letcherts indicaLtrix and the elec-

tro-magnetic theory of light(Phemister)

F l o r e n c i o , W . . . . . .Fluorites from Transvaal, S. Africa,

spectrograpihic and r-ray data.(Steyn)

F'ortescue, J. lu C. Germaniumalld other trace elements insome western Canadian coals

Foshag, 'W.

F. Acceptance of theRoebling M.edal of The Min-eralogical Society of America.

__ (Book R,_.v iew).

852160327

Faust, G. T. (Book Reviews). . 6 8 6 , 6 8 7 , 6 8 8

Feely, H. W. 327FeO-SiO:-HzO, system (Fiaschen,

328

o o /

156

676

405328

172159

383

5 1 0

296156346

F'oster, M. D. wiith Ross, C. S. and

r046

tive, on granites by pleochroichaloes and radio-activity of theminerals in their nuclei(Hayase) 761

Ceophysical prospecting in NewBrunswick, applications andl imi tat ions of (Ward, Seigel t

Germanium and other trace ele-ments in some western Cana-dian coals (Fortescue) 510

Gilkey, A. K. with Poldervaart, A.On clouded plagioclase 75

Givens, D. B. 690Glass, H. D. High-temperature

phases from kaolinite and hal-loysite. 193

Goldsmith, J. R. 330Gon i , J . . 406 ,850Goodyear, J.. 382Gtirgeyite (Mayrhofer) 403Gott , G. B. 327Gower, J. A. with Thompson,

R. M. A magnesium boratefrom IsBre, France and SwiftRiver, Yukon Territory, withn-ray powder data for someanhydrous borates 522

Graf , D. L. 330Granulites, amphibolites, mylo-

nites, and associated rocks ofthe Cucamonga Canyorr area,southeastern San Gabriel,Mountains, California (Hsu) 332

Gravity observations at sea, part

I: The Bahamas Island region(Worzel, Ewing, Drake). 349

Green, J. 331Grim, R. E. CIay Mineralogy

(Book Review) 152Grodzinski, P. Diamond Technol-

ogy-Production Methods forDiamond and Gem Stones(BookRev iew) . . 157

Grundlagen der Theorie des Mikro-skops (Michel) (Book Review) 1035

Gruner, J. W. The chemical formu-la of clarkeite

Gui l lemin, C. . .. 836

406, 850

INDEX

properties (Medved)

Hahn, T.Hallimond, A. F. Manual of the

Polarizing Microscope (Book

Review)

348 Harris, P. G, and Brindley, G. W.Mordenite as an alterationproduct of a pitchstone glass

Harris, S. O.Hartley, J.

o l J

319

845841

8 1 9320842

Hartman, P. A discussion on "Ori-ented olivine inclusions in dia-mond" . 674

Harvey, H. A. . 331Hayase, I. Relative geologic age

measurements on gfanites bypleochroic haloes and radio-

activitv of the minerals in theirnuclei 76r

Heinrich, E. W. with Levinson,A. A. Studies in the micagroup; single crystal data onphlogopites, biotites and man-ganophyllites. 937

( B o o k R e v i e w ) . . . . . . . . 8 4 7Henry , N. F . M. . . . 402Hewitt, P. C. An inexpensive mi-

croscoDe illuminator. 664Hey, M. H.Heystek, H.

382,406,407, 841, 851684

Hietanen, A. 331Hildebrand, F. A.. 34+Historical Development of Inclu-

sion Thermometry (Smith)( B o o k R e v i e w ) . . . . . . . . 4 0 1

[Iodge, E. S. with Lelong, M. P.Spectrographic examination ofthe occurrence of certain al-kali elements in calcite mar-bles. 6+7

Hogarth, D. D. and Nuffield, E.'W.Studies of radioactive com-pounds: Vll-Phosphuran-y l i teanddewindt i te . . . . 332 ,444

Holland, H. D. 332Hornblendes from southeastern

Pennsylvania and Delaware(Rosenzweig, 'Watson)

581Horne. T. E. T. 403Hackmanite and its tenebrescent

Hsu, K . J .Huang, W. T. and Merritt, C. A.

Petrographly of the troctolite ofthe Wichita Mountains, Okla-homa .

Hurlbut, C. S., Jr. Smithsonitefrom Broken Hill, Rhodesia

--- Studies of uranium min-erals (XV): Schroeckingeritefrom Argentina and Utah

H u l c h i n s o n , R . M . . .Hutton. C. O. W'isaksonite is meta-

mict uranoan thoriteHydromagnesite, unit cell of

(Murdoch) 2+Hydrothermal synthesis of single

crystals of silicates and otherrock-forming minerals, a noteon the (Kerrnedy). . . 654

Hypersthenes :from southeasternPennsylvania and Delaware(Clavan, M.cNabb, Watson) 566

Ianthinite, an alteration product of(Frondel, Cutt i t ta) 1018

Identification and QualitativeChemical A.nalysis of Minerals(Smith) (Book Review) 688

Illite in the Iinfield shale fromsouthern New York (Martin) 149

Illite pseudomolphous after biotite.(Green, Ke:rr) 331

Ingerson, E. (Book Reviews). . .. 400 ,401,685, 843, 1032

Inghram, M. 339Interplanar slracings, graphical

method for determining (Terp-stra) . . 149

Interstitial material in igneousrocks, geochemical aspects of(Brown, BLake, Chodos, Ko-lvalkolvski, Mckinney, Neuer-burg, Silve:r, Uchiyama) 318

Intertracial angl.es as indicators ofoptical and dimensional orien-tation of some monocliniccrystals in random sections(den Tex). 63

Iron and titanium oxide minerals of

INDEX

332 Adirondack rocks (Budding-

549

ton, Fahey, Vl is id is)

Iron-rich facies of Beaver Bay di-

abase, Minnesota. (Muir) . . . .

Iron-titanium oxide minerals,

Skaergaard Intrusion, Green-

Iand. (Vincent, Phillips) . .

Isotope dilution in determination

of geologic age of minerals, use

of (Tomlinson, Das Gupta)

Isotopic abundance ratios, natural,

effect of diffusion on. (Senftle)

Isotopic abundances in rocks and

r047

3 1 8

383

382

346

3+2

meteorites (Boato) 317Isotopic composition o[ common

lead, further data on (Bate,Eckelmann) . . 315

Isotopic composition of lead in leadminerals from the Coloradoplateaus. (Steiff, Stern) . . 345

Isotopic geochemistry of hotsprings (Craig) 322

Jahns, R. H. . . 334

James, M. L. 334

Jurapaite (:xonotl i te) (Taylor). . 851

Jurapaite and xonotlite, the iden-tity of (Taylor). 682

Kahlerite (Meixner) 1038Kaolin clays frcm Pugu, Tanganyi-

ka, mineralogy of (Robertson,Brindley, Mackenzie) . . . 118

Kaolinite and halloysite, high-tem-perature phases from (Glass). 193

Kaolinites, structural valiations of,in relation to dehydrated hal-loysite (Murray) 97

Katz, G. and Kedesdy, H. A newsyntletic hydrate of aluminumarsenate . . . . 1005

Kedesdy, H. Calculation of positionand indices of Laue spots onLaue photographs 750

--- with Katz, G. A new syn-thetic hydrate of aluminumarsenate .. 1005

Keene, A. G 3+l

Keith, M. L. and Roy, R. Struc-

901333J . ) J

825

1048 INDEX

783

654

272

805

504160

J J /

8513 1 8

tural relations among doubleoxides of trivalent elements

Keller, W. D. The bonding energiesof some silicate minerals. . . .

Kennedy, G. C. A note on the hy-drothermal synthesis of singlecrystals of silicates arrd otherrock-f orming minerals .

Kerr, J. H. with Pecora, 'W.

T.Whewellite from a septarianlimestone concretion in marineshale near Hawe, Montana

K e r r , P . F . . . . .Kingsbury, A. W.G..Klein, A. Albert, memorial of (Thi-

bau l t ) . . .Klein, G. E. with Buerger, M. J.

and Donnay, G. Determinationof the crystal strucfure ofnepheline

Klockmannite, CuSe, crystal struc-tu re o f . (Ber ry ) . . . .

Kohanorvski, N. N. .Kohn, J. A. with Comeforo, J. E.

Synthetic asbestos investiga-tions I: A study of syntheticfluor-tremolite

K o k k o r o s , P . . . . . .Kowalkowsk i , R . . .Kramer. H. with Allen. R. D. Anal-

yses and indices of refractionof tourmaline from fault gougenear Barstow, San BernardinoCounty , Ca l i fo rn ia . . . .

K r a n c k , E . H . . .Kraus, E. H. Presentation of the

Roebling Medal to WilliamFrederick Foshag.

(Book Reviews). . . r 5 7 , 1 5 8 , 6 8 8 , 8 4 6

K u l p , J . L . . . . . . . . 3 1 7 , 3 2 4 , 3 2 7Kuno, H. Study of ortlopyroxenes

f romvo lcan ic rocks . . . . . 30K u t i n a , J . . . . . . 8 5 2KVOg, crystal structure of. (Evans,

B l o c k ) . . . . 3 2 6Kyanite, andalusite, and silliman-

ite in the schists in Boehl'sButte guadrangle (Hietanen). 331

Lanthanon and scandium distribu-tion in Western Australian fer-gusonite (Wylie) 667

Larsen, E. S., Jr. Presentation ofThe Mineralogical Society ofAmerica Award to Louis H.Ahrens 300

Latiumite (Tilley, Henry). . 4O2Laue spots on Laue photographs,

calculation of position and in-dices of (Kedesy). 750

L a u e i t e ( S t r u n z ) . . . . . . . 1 0 3 8Lawton, K . D. . . . . 336Layer silicate structures, synthesis,

stability and properties of(Roy, Roy) 340

Lead selenate ( :kerstenite?) (Goni,Guillemin) 850

Lee, Olan Ivan, memorial of (Ya-g o d a ) . . . . 2 7 7

Lefker, R., deBretteville, A., Jr.,and Dodd, J. S. A singlecrystal temperature conkolledoven for al x-tay spectrometer 976

Lelong, M. P. and Hodge, E. S.Spectrographic eramination ofthe occurrence of certain alkalielements in calcite marbles 647

Les Min6raux et les Roches, EtudesPratiques de Cristallographie,Pdtrographie et Mindralogie(Buttgenbach) (Book Review) 843

Leucosphenite, in oil shale fromUtah, new occurrence of (Mil-1on, Axelrod, Sherwood) 337

Levinson, A. A. and Heinrich, E. W.Studies in tle mica group;single crystal data on phlog-opites, biotites, and mangano-phyllites. 937

Lindberg, M. L... 849Lindgrenite at Brandy Gill, Car-

rock Fell, Cumberland, occur-rence of the rare copper mo-lybdate (Kingsbury, Hartley). 842

Literature of Geology (Mason)( B o o k R e v i e w ) . . . . . 6 8 5

Livingstonite, HgsbrSz, crystalstructure of (Buerger, Niizeki) 319

Loewenstein, W. The distribution

1347

208331842

t020335

293

of aluminum in tle tetrahedra

of silicates and aluminates 92

Lognormal distribution of the ele-

ments (Ahrens) 314

Machatschki, F. Spezielle Minera-

logie auf Geochemischer

Grundlage (Book Review) . . 843

Mackay, A. L. . . . . 8 '11

Mackenzie, R. C. with Robertson,

R. H. S. and Brindley, G. W.

Mineralogy of kaolin clays

from Pugu, Tanganyika 118

Mackenzie, W. S. 336, 683

Mafic intrusions as a clue to the

metamorphic history of the

Spruce Pine district, North

Carolina. (Brobst, Polder-

vaart, Kulp) 317

N{agmatic origin of a Tertiary

granite from the Island of

Skye, Scotland (Tuttle, Keith) 317

Magnalumoxide ( : spinel) (Serdiu-

chenko, Moleva) 405

Magnesian chlorites. (Nelson, Roy) 338

Magnesium borate from Isdre,

France and Swift River,

Yukon Territorl', with r-ray

porvder data for some an-

hydrous borates (ThomPson,

Gower) . . 522

Magnesium pyroborate (Takeuchi) 692

Magnesium-vermiculite' crystal

structure of (Mathieson''Walk-

e r ) . ' 231

Manganese amphiboles from Sit-

asaongi Mine, Bhandara Dis-

trict, India (Bilgrami)

Manganese-hoernesite (Gabrielson)

Mange r , G . 8 . .

Manual for Geometrical Crystal-

lography (Wolfe) (Book Re-

v i ew) . .

Manual of the Polarizing Micro-

scope (Hallimond) (Book Re-

-- The Literature of(Book Review)

Mathieson, A. McL. and Walker'

G. F. Crystal structure of mag-

nesium-vermiculite .

Matteuccite (Carobbi, CiPriani)

Maxwe l l . J . A .

Mayrhofer, H.

Mazzi, F.

McConnell, D. Crystal chemistry of

schallerite--- Ortho-antigorite and the

tetrahedral configuration of

hyd roxy l i ons . .

M c C o n n e l l , J . D . C .

McCutchen, M. wi th GabrYsh,

A. F. , Preece, E. F. and Yager,

M. A. The variance of x-raY

quartz-power difiraction Pat-terns

McK inney , C . R .

McNabb, W. M. with Clavan, W.

and Watson' E' H. Some hY-

persthenes from southeastern

Pennsylvania and Delaware

INDEX 1049

Geology685

23r848336403+06

929

8301038

1453 1 8

566 .335

view). . 845

Martin, R. T. Illite in the Enfield

shale from southern New York 149

McQuaig , J . A .Mechanism of "solution" of qtartz

in pure water at elevated tem-peratures and pressures(Frederickson, Cox) .. 886

Medved. D. B. Hackmanite and itstenebrescent Properties .. 615

Meixner, H. 849, 1038

"Melilite, reexamination of thecrystal structure of," correc-tion to (Smith) 139

Merritt, C. A. with Huang, W. T.Petrography of the troctolite ofthe Wichita Mountains, Okla-homa " 549

Metamict minerals, nature of crYs-tal i izat ion (Berman). 316

Metamict zircon, recrystallizationof (Holland, Verral, Pierce) 332

Metatyuyamunite (Weeks, ThomP-s o n ) . . . . 1 0 3 7

Mica group, studies in; singlecrystal data on PhlogoPites'biotites, and manganophYllites(Levinson, Heinrich) 937

683159327

1 5 5

Mason, B. 405, 407, 408

1050 INDEX

Mica polymorphs, theoretical andr-ray study of the (Smith,Yoder) 343

Michel, K. Die Grundlagen derTheorie des Mikroskops (BookReview). 103.5

M ic roscope i l l um i r r a to r , a r r i r r ex -pensive (Hervitt) 66L

Microspectroscope,simple (Adams) 393Mi l ton, C. 337Mineral occllrrences in \,Vestern

Canada (Thompson) S2SMineralogical Society of America

Award, acceptance of (Ahrens) 302Mineralogical Society of America

Award, presentation of toL. H. Ahrens (Larsen) 300

N{ineralogical Society of America.List of correspondents, fellows,and members 352

Proceedings of the thirtl-fourth artnual meeting 304

Nlineralogical Societl' (London)

382 ,682 ,841Mitchell, R. S. and Corey, A. S.

The coalescence of hexagonaland cubic polymorphs in tetra-hedral structures as illustratedby some wurtzite-sphaleritecrystal groups 273

Mixed-layer clay-mineral, regular,occlrrrence of . (Heystek)

Miyashiro, A.Moleva, \ / . A.Moll'fd6mgl;1e (Goni, Guillemin)Montmorillonite in relatior-r to the

physical properties of ben_tonites, strlrcture of (Roth)

Montroseite, alteration processes in

6846904058s0

340

(Evans, Mrose) 326Moorehouse, W. W.. 337Mordenite as an alteration product

of a pitchstone glass (Harris,Brindley) 819

Mottramite, lew occurrence of .(Kingsbury, Hartley) g1Z

Nloxham, R. M. 345Mrose, M. E.. 326Mui r , I . D . 383,683Vlurata, K. J. (Book l{er.iew) 3gg

Murdoch, J. Unit cell of hydromag-nesite 2+

-- and Berry, L. G. X-taymeasurements on argentopy-rite 475

Murdochite, a new copper leadoxide (Fahey). 327

Murdochite, crystal structure of(Christ, Clark) 321

Murphy, M. J. with Douglass,R. M. and Pabst, A. Geocro-nite 908

Murray, H. H. Structural varia-tions of some kaolinites in re-lation to dehydrated halloysite 97

Muscovites, syntheses and stabilityof the (Yoder, Eugster) 350

Myers, A. T. with Ross, C. S. andFoster, M. D. Origin of dun-ites and olivine-rich inclusionsin basaltic rocks

Myt to r r , J .W. .693327

Nagy, B. Multiplicity and disorderin the lattice of ekmanite 338, 946

Native tin associated with pitch-blende at Nesbitt LaBineuranium mines (Si lman) . . 529

Nanmannite from Republic, Wash-i ng ton (Thompson ) . . . . 525

Navajoite (Weeks, Thompson,(Sherwood) 848

Nelson, B. W. 3.38Nendo-Kobutsu (Clay Minerals)

(Sudo) (Book Review)Nepheline, determination of the

crystal structure of (Buerger,Klein, Donnay)

r-ephel i r res, natural , deternl inat ionof the composition of, by anr-ray method (Smith, Sahama)

Ne r re rbu rs , G . J . A l l an i t e peg -matite, San Gabriel Moun-tains, Los Angeles County,Cal i forrr ia

-- - (Book Reviews7 . .1 5 3 , 1 0 3 4 , 1 0 3 5 , 1 0 3 6

New da t a : r ede6n i r i on o f spec ies107 , 691,850, 1038

805

685

842

3813 1 8

New mineral names. 159 , +02,690,848,1037

Nickel, E. H. The distribution ofiron, manganese, nickel and co-balt between co-existing pyriteand biotite in wallrock altera-tion. 49+

-- The distribution of majorand minor elements amongsome co-existing ferro-mag-nesian silicates 486

Nielsen, A. H. 848Niggli, PauI, memorial of (Parker) 280Niggliite (Ramdohr) 691Ni izek i , N . . . 319Novacekite, a second locality of

(Stern, Annell) 675Nuffield, E. W. Sulpho-salts, stud-

ies of : XVIII-Pavonite. anew mineral. . . 338, 409

-- with Hogarth, D. D. Stud-ies of radioactive compounds:Vll-Phosphuranylite anddewindti te 332,444

-- Brannerite from Ontario,Canada. 520

Osumilite (Miyashiro)

1051

328,341. 690

Pabst, A. Brannerite from Califor-n i a . . . . 1 0 9

- with Douglass, R. M. andMurphy, M. J. Geocronite . . 908

Palygorskite in the Shetland Isles,an occurrence of (Stephen). . . 842

Palygorskites and pilolites, chemi-cal constitution of (Efremov) 32+

Parker, R. L. Memorial of PaulNiggli 280

Partzite (Mason, Vitaliano) . . 407Patterson, C.. 339Pauly, H. Weberite from Pikes Peak,

Colorado... 669Pavonite. a new mineral-studies

of mineral sulpho-salts: XVIII(Nufteld). 338,409

Pb210 method of age determination.Eckelmann, Broecker, Kulp).

Peach, P . A . .Pecora, W. T. and Kerr, J. H.

Whewellite from a septarianlimestone concretion in marineshale near Hawe, Montana

INDEX

Occurrence of a regular mixed-layerclay-mineral (Heystek)

Oftedahl, C.Optical and r-ray studies of natural

high-temperature alkali feld-

684406

spars (Mackenzie) . . . 336Ordoflezite, zinc antimonate, a new

mineral f rom Guanajuato,Mexico (Switzer, Foshag) 346

"Oriented olivine inclusions in di-amond," a d iscussion on(Hartman) 674

Ortho-antigorite (Brindley, vonKnorring). 794

Ortho-antigorite and the tetra-hedral configuration of hy-droxl'l iens (McConnell) 830

Orthoclase-microcline inversion.(Mackenzie) . . 683

Orthopyroxenes from volcanicrocks, study of (Kuno) 30

Osborn, E. F. with Roy, R. Thesystem Al2O3-SiOr-IfrO.. 853

Pegmatites in the Grenville, meta-morphism related to (Peach).

Petrographie des Roches Sedimen-taires (Carozzi) (Book Review)

Petrology of Enchanted Rock plu-

ton, Llano and Gillespie Coun-ties,

'fexas (Hutchinson) . . .

Phacolith of charnockitic adamel-l i te porphyry at Keimoes,Cape Province, South Africa(von Backstriim, Poldervaart)

Phemister, T. C. Fletcherts indica-trix and the electromagnetictheory of light

Philipsborn, H. v. Tafeln zum Be-stimmen der Minerale nachd.usseren Kennzeichen (Book

Review)P h i l l i p s , R . . . .Phi l l ips, R. B.Phlogopites, syntheses and stabil-

ity of (Eugster, Yoder). . .

324339

208849

339

1034

. ) JJ

,t l . )

1 7 2

688382682

326

1052 INDEX

Phosphuranylite and dewindtite,studies of radioactive com-pounds: VII (Hogarth, Nuf-f i e l d ) . . . . 3 3 2 , 4 4 4

Physical Chemistry of the Silicates(Eitel) (Book Review) 000

Pichamuthu, C. S. The Charnock-ite Problem (Book Review)

M. The variance of x-rayquartz-powder diffract ion pat-

terns. . 145

Preliminary report on the system

NazO- MgO-SiOu (Schairer, Yo-

der. Keene) . . 341

Preparation of specimens for the

f ocusing-type x-ray spectrome-

ter (Adams, Rowe) 215

Pizibrarr1 K. Verferbung und

Lumineszenz. Beitrege zur

Mineralphysik (Book Review) 399

Pseudomorphous illite after biotite(Green, Kerr) 331

Quantitative spectrographic analy-

sis of rocks using a method of

mutual standardization (Den-

nen. Fowler) . . 322

Quartz x-ray powder diffractionpattern, variance of. (Gabrysh,

Preece, Yager, McCutcheon) 145

Qurashi, M. M. and Barnes, W'. H.

The structures of the minerals

of the descloizite and adelitegroups: I-Descloizite and

conichalcite (part r) 416

Rabbitite (Thompson, Weeks, Sher-

wood). 1037

Radioactive compounds: VIII-phosphuranylite and dewind-

tite, studies of (Hogarth' Nuf-

f i e l d ) . . . 3 3 2 , 4 4 4

Radioactivity of the helium-bear-

ing formations of the Texas

panhandle region (Faul, Gott,Manger, Mytton, Pierce) 327

Ramberg, H. Relative stabilities of

some simple silicates as re-

lated to the polarization of ttre

oxygen ions 256

Ramdohr, P. 691

Ramsdell, L. S. (Book Review) . . 686

Rare elements within granites andgranitic pegmatites, distribu-

tion of (Jahns) 334

Reflecting powers with lhe micro-photometer, direct measure-

ment of (Hallimond) 8+l

847Pierce, A. P.P i e r c e , R . , J r . . . . . 3 3 2Pilolites, chemical constitution of

(Efremov) 324Plagioclase, clouded (Poldervaart,

Gilkey) 7 5Plagioclase f eldspars, identifi cation

by x-ray powder methods(Goodyear, Duffin). 382

Plagioclase feldspars, intermediate,transitional optics of (Muir) 683

Plagioclase feldspars, simple meth-od for the determination of(Foster) 329

Plagioclase feldspars, the struc-tures of. V. The heat treat-ment of lime-rich plagioclases( G a y ) . . . . 6 8 2

Plombierr i te. (McConnel l ) . . 1038Polar axial angles and polar axial

ratios from interfacial angles,determination of (Tunell) 51, 347

Polariscope,

bu t ) . . .demonstration. (Hurl-

333Poldervaart, A., and Gilkey, A. K,

On clouded plagioclase . 753 1 5 , 3 1 7

Pollucite from Lithia, Massachu-setts (Shaub, Schenck). .. 66L

Polymorphism in one dimension(Schneer) 341

Potassium argon studies at theUniversity of Toronto-aprogress report (Shillibeer). 343

Praktische Edelsteinkunde (Fisch-

er) (Book Review) 156Precision of classical methods of

rock analysis, relation of, toconcentration of each con-s t i t uen t (Ah rens ) . . . . 841

Preece, E. F. with Gabrysh, A. F.,Yager, M. A, and McCutchen,

INDEX

581

1053

Relationship between the precisionof classical methods of rockanalysis and the concentrationof each constituent (Ahrer-rs). 841

Relative stabilities of some simplesilicates as related to thepolarization of the oxygen ions(Ramberg) 256

Renardite, studies of uranium min-erals (XW) (Frondel, Cuttitta) 448

Rheomorphism, experimental stud-ies of (Kranck, McQuaig) 335

Ribeirite (Florencio). 159Riversideite (:mixtures of tober-

morite and wilkeite) (Taylor) 405Riversideite, tobermorite, plombi-

e r r i t e ( M c C o n n e l l ) . . . . . . . 1 0 3 8Robbins, C. R. 343Robertson, R. H. S., Brindley, G.'W.

and Mackenzie. R. C. Min-eralogy of kaolin clays fromPugu, Tangany ika . . . . . .

Roebling Medal of The Mineralogi-cal Society of America, accept-ance of (Foshag)

Roebling Medal, presentation of toWilliam Frederick tr'oshag(Kraus).

Roedder, E. with Stringham, B. Oc-currence of "channels" in thinsections

Rosenfeld, M. A. A modification ofthe Chayes point counter stage

Rosenzweig, A. and Watson, E. II.Some hornblendes from south-eastern Pennsylvania and Del-aware. .

Ross, C. S,, Foster, M. D. andMyers, A. T. Origin of dunitesand olivine-rich inclusions inbasaltic rocks.

Roth , R. S . . .Round Lake batholith and its asso-

ciated intrusives, petrology of(Lawton)

Rowe, F. A. with Adams, L. H. Thepreparation of specimens forthe focusing-type a-ray spec-fiometer.

Roy, D. M. and Roy, R. An experi-

mental sfudy of the formationand properties of synthetic ser-peltines and related layer sili-cate minerals. . 340,957

Hydrothermal synthesis ofandalusite. 140

Roy, R. with Keith, M. L. Struc-tural relations among doubleoxides of trivalent elements. . I

and Osborn, E. tr'. The sys-1sm trlrQ3-SiOr-Hs0.. 853

. 338,340.341S32 and Ssa in some natural sources

of sulphur, abundance of( F e e l y , G a s t , K u l p ) . . . . . . . . . 3 2 7

Sahama, T. G.. .Sand , L . B . .Saponite near Milford, Utah (Ca-

h o o n ) . . . . . .

Satmeiderhijhn, H. Erzlagerstiitten( B o o k R e v i e w ) . . . . . . . . . . . .

Saunders, D. F. . .

Schairer, J. F. Memorial of Fred-

erick Eugene Wright.

842341

222

1035314

Schallerite, ;;; clurnirtty oi(McConnell)

Schenck, B. J. with Shaub, B. M.

Pollucite from Lithia, Massa-

chusetts.Schlossmacher, K. Edelsteine und

Per len (Book Review) . . . . .

S c h n e e r , C . J . . . . . . .

Schneiderh6hn, H. Einfiihrung in

die Kristallographie (Book Re-

view) . .Erzlagerstdtten. (Book Re-

view). .Schroeckingerite from Argentina

and Utah (Hurlbut). .

Sedimentary origin and strati-graphic equivalence of the so-

called Cranberry and Hender-

son granites in western North

Carolina (Eckelmann, Kulp)

Se ige l , H . O . . . . .

Selected Petrogenic Relationships

of Plagioclase (Emmons, edi-

tor) (Book Review)

929

661

846

686

1035

901

324348

1 1 8

284341

293

384

834

693340

336

2t5153

1054 INDEX

S e n f t l e , F . E . . . . . . . 3 4 2Seng ie r i t e (Donnay , Donnay ) . . . . . 323S e r d i u c h e n k o , D . P . . . . . . 4 0 5Serpentines, synthetic, and re-

lated layer silicate minerals,an experimental study of theformation and properties of( R o y , R o y ) . . . . . . . 3 4 0 , 9 5 7

Shaub, B. M. and Schenck, B. J.Pollucite from Lithia, Massa-chusetts. 661

Shaw, D. M. 342S h e r w o o d , A . M . . . . . . . 3 3 7 , 8 4 8 , 1 0 3 7Shillibeer, H. A. 343Silica structures, tle stuffed deriva-

t ives of (Buerger) . . . . 600Si l iceousscheel i te(Kohanowski) 160S i lman . J . F . B . Na t i ve t i n assoc i -

ated with pitchblende at Nes-bi t t LaBine uranium mines 529

Si lver , L. T. . . 318Single crystal temperature con-

trolled oven for an r-ray spec-trometer (Lefker, deBrette-ville, Dodd) 976

Smith, C. H. On the occurrence ando r i g i r r o f xono t l i t e . . . 531

Smith, F. G. Historical Develop-ment of Inclusion Thermome-t r y (BookRev iew) . . . 401

Smith, J. V. A correction to the"reexamination of the crystalst ructure of mel i l i te" . . . 139

. . 343,842Smith, O. C. Identification and

Qualitative Chemical Analysisof Minerals (Book Review) 688

S m i t h , R . J . . . . . . . . 3 + 4Smithsonite from Broken Hill,

Rlodesia (Hur lbut) . . . . 47Sodic p lagioclases: (A) lat t ice pa-

rameters of the natural high-and low-temperature seriesand of synthetic crystals, and(B) revised determinativecharts for the natural low-tem-perature series (Smith, Rob-bins) . 343

Sodium analogue of hewettite, un-named (Weeks, Thompson) 1038

"Spectrographic method for deter-mining trace amounts of leadin zircon and other minerals,"(Waring, Worthing); correc-t ion for 151

Spezielle Mineralogie auf Geochem-ischer Grundlage (Machatsch-

ki) (Book Review) 843Spomenica Miie Kiipatica (F. Tu-

can, editor) (Book Review). .St. Peter sandstone-Glenwood

shale contact (Ernst)

Stability relations of some mineralsin the system NazO-AlrOrSiOrHzO (Sand, Roy, Osborn) . . . .

Stead, F. W.Stephen. L.Stern, T. W. and Annel l , C. S. A

second locality of novacekite.

Stetefeldtite (Mason. Vitaliano.Stevenson, J. S. Determination of

columbian in ores by x-rayf luorescence. . . . .

Stewart , F. H. .Stewart-Remington, J. and Fran-

cis, W. The Composition andAssaying of Minerals (Book

Review)Steyn, J. G. D.St ief f , L. R.

Stonehouse, H. An association oftrace elements and minerali-zatior at Sudbury

Strachan, K. G. A. with Young,R. S. and Benf ie ld, D. A. Co-

balt in kimberlites 143Stringham, B. and Roedder, E. Oc-

currence of "channels" in thinsections 384

S t roc l< , L . W . . . . . . 318 , 346Structural relations among double

oxides of trivalent elements(Keith, Roy) 1

Strncture reports for 1945-1946.V o l . 1 0 . ( B o o k R e v i e w ) . . . . . . 6 8 6

S t r u n z , H . . . . . . . . . . . . . . 1 0 3 8Sudo, T. Nendo-Kobutsu (Clay

Minerals) (Book Review) 685

Sulfide mineralogy, use of zone or

847

1025

341

8+2

o/ . ' )

345408

436682

687383345

+52

band theory in problems of(Frueh). 330

Sulpho-salts, studies of: XVIII-Pavonite, a new mineral (Nuf-f ield) 338,409

Sw-ift, P. McL. The indirect deter-mination of P and 2V 838

Switzer, G. 346Syntaxic intergrowths in the an-

dorite series (Donnay, Don-'lay) . 1 6 1

System AI2OB-SiO2-HrO (Roy, Os-born) . 8.53

S.vstem FeO-SiOrHzO (Flaschen,

Osborn) 328

System NazO-AlzOs-SiOrHzO(Sand, Roy, Osborn) 341

System NazO-MgO-SiOz (Schairer,

Yoder, Keene). 3+l

Tafeln zum Bestimmen der Min-

erale nach dusseren Kennzeich-

en (Philipsborn) (Book Re-

view) . .Takeuchi, Y.

Mineral occurrences in

Westeru CanadaNaumannite from Repub-

l i c , W a s h i n g t o r r . . . .T i l l e y , C . E .

Ti l ton, G.

Tin, native, associated with pitch-

blende at Nesbitt LaBine

urauittm mines, Beaverlodge,

Saskatchewan. (Silman)

Tobermorite (Claringbull, Hey)

Tobermorite (McConnell)

Toml inson, R. H.

Tourmaline from fault gouge near

Barstow, San Bernardino

County, California, analYses

and indices of refraction of(I{ramer, Allen). . .

-frace-element behavior in regional

n'retamorphism (Shaw)

Trace elements and mineralization

at Sudbury, association of(Stonehouse) . 452

Triclinic crystals, calculation ofpolar and direct axial ratiosand polar and direct axialangles, from interfacial angles(Tunell) . . 5 1

Trimorphism in zinc sulfide (Buck,Strock) . . 318

Troctolite of the Wichita Moun-tains, Oklahoma, Petrographyof the (Huang, Merritt) 549

Truscottite (Mackay, Taylor) 841Tucan, F. (editor). Spomenica MiSe

Kibpatica (Book Review). 847Tunell, G. Calculation of Polar and

direct axial ratios and Polarand direct axial angles of tri-clinic crystals from interfacialangles . 5 1 , 3 4 7

Tutt le, O. F. 347Tyuyamunite, carnotite, and sen-

gierite (Donnay, Donnay) 323

INDEX 1055

525

525+02339

529+u l

1038346

r020

342

688692

Tavorite (Lindberg, Pecora). 849Tay lo r , H . F . W . . . 405 , 682 , 841 , 851Temperature and the distribution

of trace elements (DeVore) 323Terpstra, P. Graphical method for

determining interplanar spac-ings 149

Tertschite (Meixrrer) 849Thermodynamic relations among

vanadium oxides, and implica-

tions of the Colorado plateau

uranium-vanadium deposits(Garrels). 330

' f hermoluminescence of ar t i f i c ia l ly

precipitated calcite (Zeller) 351Thibault, N. W. Memorial of A.

Albert Klein 272Thompson, M. E. . 348, 848, 1037, 1038Thompson, R. B. , Jr . . 348Thompson, R. M. and Gower, J. A.

A magnesium borate fromIsdre, France and Swif t l l iver ,Yukon Territory, with r-raypowder data for some anhy-drous borates. . . 522

Uchiyama, A.

Uj i iye, N. and Donnay, J. D. H.

(Book Review)

Uranium and the isotopes of lead

in the earth's crust and mete-

3 1 8

685

1056 INDEX

orites, abundance of (Patter-son, Ti l ton, Inghram). 339

Uranium content, alpha particleactivity, and KzO, NazO, CaOanalysis of obsidians, pitch-stones and tektites (Adams,Saurrders, Zeller). 314

Uranium content of the lavas ofLassen Volcanic NationalPark, California (Adams,Saunders). 314

Uranium minerals, studies of (XV):Schroeckingerite from Argen-tina and Utah (Hurlbut) 901

Uranium minerals, studies of (XVI) :An alteration product of ian-thinite (Frondel, Cuttitta) 1018

Uranium minerals, studies of(XIV): Renardite (Frondel,Cuttitta) 448

Uranium ores on the Coloradoplateaus, mineral associationsand types of (Weeks, Thomp-son, Thompson) 348

Uranospathite. (Frondel) 683

Vanadium minerals, new occur-rences of (mottramite, descloi-zite and vanadinite) in theCaldbeck area of Cumberland(Kingsbury, Hartley) 842

Vanadium oxides, thermodynamicrelations among, and implica-tions of the Colorado plateauuranium-vanadium deposits.(Ga r re l s ) . . . . 330

Vanadium oxides, two unnamednew (Weeks, Thompson). . . 1037

Variance of x-ray powder patternsof quartz. (Gabrysh, Preece,Yager, McCutchen) 145

Viiyrynenite (Volborth). 848Veatchite from the Permian evap-

orites of Yorkshire (Stewart,Cha lmers ,Ph i l l i p s ) . . . . 682

Venkatesh, V. Twinning in cor-dier i te. . . 636

Verferbung und Lumineszenz. Bei-trege zur Mineralphysik (Pizi-bram) (Book Review) 399

V e r r a l , P . . . . . 3 3 2Vincent, E. A.. . . 382Vi ta l iano , C. J . 405,407,408Vlisidis, A.. 318Volborth, A. 848von Backstrdm, J. W. 315von Knorring, O. with Brindley,

G. W. A new variety of an-tigorite (ortho-antigorite ) fromUnst, Shetland Islands ... 794

Walker, G. F. with Mathieson, A.McL. Crystal structure ofmagnesium-vermiculite 231

Walker Mineralogical Club, Ab-stract of Proceedings, 1953... 533

W a r d , S . H . . . . . . 3 3 1 , 3 4 8Watson, E. H. with Clavan, W'. and

McNabb, 'W'.

M. Some hyper-sthenes from southeasternPennsylvania and Delaware 566

-- with Rosenzweig, A. Somehornblendes from southeasternPennsylvania and Delaware 581

Weberite from Pikes Peak, Colo-rado (Pauly). 669

Weeks, A. D. . . . . .348, 848, 1037, 1038W e e k s , W . F . . . . 3 4 9Wehrenberg, J. P.A corrected unit

cell for beryllonite 397Weinschenkite-churchite (Claring-

bul l , Hey) 851Whewellite from a septarian lime-

stone concretion in marineshale near Hawe, Montana(Pecora, Kerr) .

W h i t t e r r , E . H . T . . . . .'Wisaksonite

is metamict uranoanthorite (Hutton)

Wolfe, C. W. Manual for Geometri-cal Crystallography (Book Re-

208681

825

view)Worzel , J . L.

155. 349

Wright, Frederick Eugene, memor-ial of (Schairer) . . . 284

Wyatt, M, Zircons as provenanceindicators 350,983

Wylie, A. W. Lanthanon and scan-dium distribution in WesternAustralian fergusonite 667

INDEX 1057

Xonotlite, identity with jurupaite.(Taylor). 682

Xonotlite, on the occurrence andorigin of (Smith) 531

Yager, M. A. with Gabrysh, A. F.,Preece, E. F. and McCutchen,M. The variance of *-rayquartz-powder diffraction pat-terns. - 145

Yagoda, H. Memorial of Olan IvanL e e . . . . . . 2 7 7

Yoder , H . S . . . . 326 ,3+1,343,350

Young, R. S., Benfield, D. A. andStrachan, K. G. A. Cobalt inkimberlites. 143

Zebedassite(:saponite) (Mazzi) 406Z e 1 l e r , E . J . . . . . 3 1 4 , 3 5 1Zinc sulfide polytype crystals, syn-

the t ic (S t rock , BroPhY) . . . . . 346Zinc sulfide, trimorphism in. (Buck,

Strock) . . 318Zircons as provenance indicators

(Wyat t ) . . .350 ,983Zoisite-amphibolite with corundum

from Tanganyika (Game)... . 8+2Zoned plagioclases in layered gab-

bros of the Skaergaard intru-sion, East Greenland (Carr). . 684

Zones of regional metamorPhismin the pre-Cambrian of north-ern Michigan (James) 334

Z u s s m a n , J . . . . . ' . 6 8 2