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Table of Contents Volume 70 - 1985
 Numbers 1 and 2
| Tourmaline as a petrogenetic indicator mineral: an example from the staurolite-grade
metapelites of NW Maine Download the Scanned PDF | Darrell J. Henry and Charles V. Guidotti 1 | 
| The stability of Ca-Na pyroxene in low-grade metabasites of high-pressure
intermediate facies series Download the Scanned PDF | Shigenori Maruyama and J. G. Liou 16 | 
| Garnet-olivine equilibration during cooling in the mantle Download the Scanned PDF | Douglas Smith and Clark R. Wilson 30 | 
| Crystallization and differentiation of Archean komatiite lavas from northeast
Ontario: phase equilibrium and kinetic studies Download the Scanned PDF | Rosamond J. Kinzler and Timothy L. Grove 40 | 
| Two feldspar and iron-titanium oxide equilibria in silicic magmas and the depth
of origin of large volume ash-flow tuffs Download the Scanned PDF | John C. Stormer, Jr. and James A. Whitney 52 | 
| An oxygen buffer for some peraluminous granites and metamorphic rocks Download the Scanned PDF | E-an Zen 65 | 
| Oscillatory zoning in clinopyroxenes from the Guide Copper Mine, Phalaborwa,
South Africa Download the Scanned PDF | Susan C. Eriksson 74 | 
| The effect of fluorine on viscosities in the system Na2O-Al2O3-SiO2:
implications for phonolites, trachytes and
rhyolites Download the Scanned PDF | Donald B. Dingwell, Christopher M. Scarfe and David J. Cronin 80 | 
| Relationships between properties and structure of aluminosilicate melts Download the Scanned PDF | Bjørn O. Mysen, David Virgo and Friedrich A. Seifert 88 | 
| High resolution solid-state sodium-23, aluminum-27, and silicon-29 nuclear
magnetic resonance spectroscopic reconnaissance of alkali and plagioclase feldspars Download the Scanned PDF | R. James Kirkpatrick, Robert A. Kinsey, Karen Ann Smith, Donald M. Henderson and Eric Oldfield 106 | 
| Orientation of phase and domain boundaries in crystalline solids: discussion Download the Scanned PDF | Christian Willaime and William L. Brown 124 | 
| Orientation of phase and domain boundaries in crystalline solids: reply Download the Scanned PDF | Michael E. Fleet 130 | 
| Scapolite: alkali atom configurations, antiphase domains, and compositional
variations Download the Scanned PDF | C. Page Chamberlain, Janet A. Docka, Jeffrey E. Post and Charles W. Burnham 134 | 
| Structural aspects of phase transitions in Fe-Mg-Ca pyroxenes Download the Scanned PDF | Shigeho Sueno, Charles T. Prewitt and Mitsuvoshi Kimata 141 | 
| Existence of multiple kaolinite phases and their relationship to disorder in
kaolin minerals Download the Scanned PDF | Stephen DeLuca and M. Slaughter 149 | 
| The dehydroxylation of kaolinite Download the Scanned PDF | Douglas Yeskis, A. F. Koster van Groos and Stephen Guggenheim 159 | 
| Crystal structure refinement of an arsenic-bearing argentian tetrahedrite Download the Scanned PDF | Mary L. Johnson and Charles W. Burnham 165 | 
| Crystal chemistry of the
      2∞[M3+2φ2(TO4)2] sheet: structural principles and
crystal structures of ruizite, macfallite and
orientite Download the Scanned PDF | Paul B. Moore, Jinchuan Shen and Takaharu Araki 171 | 
| Crystal structure refinement of magnesian alleghanyite Download the Scanned PDF | Carl A. Francis 182 | 
| The crystal structures of helvite group minerals, (Mn,Fe,Zn)8(Be6Si6O24)S2 Download the Scanned PDF | Ishmael Hassan and H. Douglas Grundy 186 | 
| Fingerite.
      Cu11O2(VO4)6, a new vanadium sublimate from Izalco volcano, El
Salvador: descriptive mineralogy Download the Scanned PDF | John M. Hughes and C. G. Hadidiacos 193 | 
| Fingerite,
      Cu11O2(VO4)6, a new vanadium sublimate from Izalco volcano, El
Salvador: crystal structure Download the Scanned PDF | Larry W. Finger 197 | 
| Milk cartons and ash cans: two unconventional welding techniques Download the Scanned PDF | Mark A. Sneeringer and E. Bruce Watson 200 | 
| A review of the todorokite-buserite problem: implications to the mineralogy of
marine manganese nodules: discussion Download the Scanned PDF | Rudolf Giovanoli 202 | 
| The todorokite-buserite problem: further considerations Download the Scanned PDF | Roger G. Burns, Virginia Mee Burns, and Harlan W. Stockman 205 | 
| Memorial of Lester William Strock Download the Scanned PDF | Kenneth G. Johnson 209 | 
| Memorial of David Edward Jensen Download the Scanned PDF | James S. Wishart 212 | 
| NEW MINERAL NAMES Download the Scanned PDF | Pete J. Dunn, George Y. Chao, Michael Fleischer, James A Ferraiolo, Richard H. Langley, Adolf Pabst, and Janet A. Zilczer 214 | 
| NOTICES | 221 | 
 Numbers 3 and 4
| Equilibria in the system MgO-SiO2-H2O: experimental determination of the
stability of Mg-anthophyllite Download the Scanned PDF | J. V. Chernosky, Jr., H. W. Day and L. J. Caruso 223 | 
| Equilibria in the system MgO-SiO2-H2O; a thermodynamic analysis Download the Scanned PDF | Howard W. Day, J. V. Chernosky and H. J. Kumin 237 | 
| Low-temperature heat capacities and derived thermodynamic properties of
      anthophyllite, diopside, enstatite, bronzite, and wollastonite Download the Scanned PDF | Kenneth M. Krupka, Richard A. Robie, Bruce S. Hemingway, Derrill M. Kerrick and Jun Ito 249 | 
| High-temperature heat capacities and derived tnermodynamic properties of
      anthophyllite, diopside,
dolomite, enstatite, bronzite, talc, tremolite and wollastonite Download the Scanned PDF | Kenneth M. Krupka, Bruce S. Hemingway, Richard A. Robie and Derrill M. Kerrick 261 | 
| Biotite-garnet geothermometry in the granulite
      facies: the influence of Ti and Al in biotite Download the Scanned PDF | A. Indares and J. Martignole 272 | 
| Kinetic controls on pyroxene nucleation and metastable liquid lines of descent
in a basaltic andesite Download the Scanned PDF | Michael B. Baker and Timothy L. Grove 279 | 
| Fluid inclusion geobarometry from ejected Mt. Somma-Vesuvius nodules Download the Scanned PDF | Harvey E. Belkin, Benedetto De Vivo, Edwin Roedder and Massimo Cortini 288 | 
| A review of Mössbauer data on inorganic glasses: the effects of composition on
iron valency and coordination Download the Scanned PDF | M. Darby Dyar 304 | 
| Redox equilibria and the structural states of ferric and ferrous iron in melts
in the system CaO-MgO-Al2O3-SiO2-Fe-O: relationships between redox equilibria,
melt structure and liquidus phase equilibria Download the Scanned PDF | Bjørn O. Mysen, David Virgo, Else-Ragnhild Neumann and Friedrich A. Seifert 317 | 
| High-resolution
      29Si NMR study of silicate and aluminosilicate glasses: the
effect of network-modifying cations Download the Scanned PDF | James B. Murdoch, Jonathan F. Stebbins and Ian S.E. Carmichael 332 | 
| Genesis of diamond: a mantle saga Download the Scanned PDF | Henry O. A. Meyer 344 | 
| Calorimetric and phase-diagram approaches to two-feldspar geothermometry: a
critique Download the Scanned PDF | William L. Brown and Ian Parsons 356 | 
| Intracrystalline expansion of the "10Å phase," a high-pressure
phyllosilicate in the system MgO-SiO2-H2O Download the Scanned PDF | Jon F. Bauer and Charles B. Sclar 362 | 
| A high temperature transition in MgGeO3
 from clinopyroxene (C2/c) type to orthopyroxene (Pbca) type Download the Scanned PDF | Takamitsu Yamanaka, Masahiro Hirano and Yoshio Takeuchi 365 | 
| Experimental observations on coexisting zoisite-clinozoisite Download the Scanned PDF | Arthur R. Prunier, Jr. and David A. Hewitt 375 | 
| Manganese humites and leucophoenicites from Franklin and Sterling Hill, New
Jersey: parageneses, compositions, and implications for solid solution limits Download the Scanned PDF | Pete J. Dunn 379 | 
| TEM/STEM microanalysis of Holocene fresh-water magnesian carbonate cements from
the Coast Range of California Download the Scanned PDF | David F. Blake and Donald R. Peacor 388 | 
| Occurrence and alteration of phosphate minerals at the Stewart Pegmatite, Pala
District, San Diego County, California Download the Scanned PDF | James E. Shigley and Gordon E. Brown, Jr. 395 | 
| New data on sincosite Download the Scanned PDF | Michael E. Zolensky 409 | 
| Lathanite-(Ce),
      (Ce,La,Nd)2(CO3)3·8H2O, a new mineral from Wales, U.K. Download the Scanned PDF | Richard E. Bevins, George Rowbotham, Frederick S. Stephens, Stephen Turgoose and Peter A. Williams 411 | 
| New INAA analysis of a mantle-derived titanate mineral of the crichtonite
series, with particular reference to the rare earth elements Download the Scanned PDF | A. P. Jones and V. Ekambaram 414 | 
| Kambaldaite-a new hydrated Ni-Na carbonate mineral from
      Kambalda, Western
Australia Download the Scanned PDF | Ernest H. Nickel and Bruce W. Robinson 419 | 
| Crystal structure of kambaldaite, Na2Ni8(CO3)6(OH)6·6H2O Download the Scanned PDF | Lutz M. Engelhardt, Sydney R. Hall and Allan H. White 423 | 
| Labelling refractive index curves for mineral series Download the Scanned PDF | F. Donald Bloss 428 | 
| MEMORIALS Memorial of Thure Georg Sahama Download the Scanned PDF | Ilmari Haapala 433 | 
| NEW MINERAL NAMES Download the Scanned PDF | Pete J. Dunn, Volker Gobel, Joel D. Grice, Jacek, Puziewicz, James E. Shigley, David A. Vanko, and Janet A. Zilczer 436 | 
Numbers 5 and 6
PART 1
| Crystal chemistry: past, present, and future Download the Scanned PDF | Charles T. Prewitt 443 | 
| Towards a structural classification of minerals: the
      VIMIVT2φn minerals Download the Scanned PDF | F. C. Hawthorne 455 | 
| Crystallization kinetics in the system CaMgSi2O6-CaAl2Si2O8:
development of zoning and kinetics effects on element partitioning Download the Scanned PDF | Akira Tsuchiyama 474 | 
| Viscosity and structure of iron- and aluminum-bearing calcium silicate melts at 1 atm Download the Scanned PDF | B. O. Mysen, D. Virgo, C. M. Scarfe and D. J. Cronin 487 | 
| Metasomatism, titanian
      acmite, and alkali amphiboles in lithic-wacke inclusions
within the Coyote Peak diatreme, Humboldt County, California Download the Scanned PDF | Gerald K. Czamanske and Steven A. Atkin 499 | 
| Characterization of synthetic tridymites by transmission electron microscopy Download the Scanned PDF | Michael A. Carpenter and Mechthild Wennemer 517 | 
| Fluorine and chlorine contents of phlogopites crystallized from ultrapotassic
rock compositions in high pressure experiments: implication for halogen reservoirs in source regions Download the Scanned PDF | Alan D. Edgar and Makoto Arima 529 | 
| High resolution aluminum-27 and silicon-29 nuclear magnetic resonance
spectroscopic study of layer silicates, including clay minerals Download the Scanned PDF | Robert A. Kinsey, R. James Kirkpatrick, John Hower, Karen Ann Smith and Eric Oldfield 537 | 
| Heterogeneous distribution of nickel in hydrous silicates from New Caledonia ore deposits Download the Scanned PDF | Alain Manceau and Georges Calas 549 | 
| Energetics of ordering in aluminous pyroxenes Download the Scanned PDF | Ronald E. Cohen and Charles W. Burnham 559 | 
| New data on the forsterite-tephroite series Download the Scanned PDF | Carl A. Francis 568 | 
| Mössbauer spectra, magnetic and electrical properties of
      laihunite, a mixed
valence iron olivine mineral Download the Scanned PDF | Xuemin Kan and J. M. D. Coey 576 | 
| Carbonate ion disorder in synthetic and biogenic magnesian calcites: a Raman spectral study Download the Scanned PDF | William D. Bischoff, Shiv K. Sharma and Fred T. Mackenzie 581 | 
| High-temperature structure refinements of calcite and magnesite Download the Scanned PDF | S. A. Markgraf and R. J. Reeder 590 | 
| Thermodynamic properties of NaCl obtained by computer calculation Download the Scanned PDF | Charles J. Hostetler 601 | 
| Aggregation and dissolution of small and extended defect structures in Type Ia diamond Download the Scanned PDF | L. A. Bursill and R. W. Glaisher 608 | 
| The crystal structure of the monoclinic variety of ferrierite Download the Scanned PDF | Rahel Gramlich-Meier, Volker Gramlich and Walter M. Meier 619 | 
| Cation distribution studies of some ternary orthophosphates having the farringtonite structure Download the Scanned PDF | Anders G. Nord and Tore Ericsson 624 | 
| The mineralogy of human urinary stones from Calgary, Quito and Honolulu Download the Scanned PDF | A. A. Levinson, M. Paz y
      Mino, U. K. Stams and A. Hariharan 630 | 
| A new nomenclature for the borate minerals in the hilgardite (Ca2B5O9Cl·H2O)-tyretskite
      (Ca2B5O9OH·H2O) group Download the Scanned PDF | Subrata Ghose 636 | 
| Schöllhornite,
      Na0.3(H2O)1[CrS2], a new mineral in the Norton County
      enstatite achondrite Download the Scanned PDF | Akihiko Okada, Klaus Keil, B. F. Leonard and I. D. Hutcheon 638 | 
| X-ray diffraction data for melanovanadite Download the Scanned PDF | Peter Bayliss and John M. Hughes 644 | 
| A microfiche reader as a petrographic aid Download the Scanned PDF | David J. Becker and Jeff K. Miller 646 | 
| Presentation of the Roebling Medal of the Mineralogical Society of America for 1984 to Paul Booth Barton, Jr. Download the Scanned PDF | Philip M. Bethke 648 | 
| Acceptance of the Roebling Medal of the Mineralogical Society of America for
1984 Download the Scanned PDF | Paul B. Barton, Jr. 650 | 
| Presentation of the Mineralogical Society of America Award for 1984 to Bernard
J. Wood Download the Scanned PDF | William S. MacKenzie 652 | 
| Acceptance of the Mineralogical Society of America Award for 1984 Download the Scanned PDF | Bernard J. Wood 654 | 
| PROCEEDINGS Proceedings of the Sixty-fifth Annual Meeting of the Mineralogical Society of America in Reno, Nevada Download the Scanned PDF | Henry O. A. Meyer 656 | 
| Report of the Secretary for 1984 | Henry O. A. Meyer 657 | 
| Report of the Editor | M. J. Holdaway 658 | 
| LIST OF FORMER OFFICERS AND MEETING PLACES | 659 | 
 Numbers 7 and 8
| Quantitative determination of mineral content of geological samples by X-ray
diffraction Download the Scanned PDF | Gayle A. Pawloski 663 | 
| Ultramafic inclusions in late Miocene alkaline basalts from Fry and Ruby
Mountains,
San Bernardino County, California Download the Scanned PDF | S. L. Neville, Peter Schiffman and Peter Sadler 668 | 
| Experimental determination of pyroxene compositions in the system CaO-MgO-Al2O3-SiO2 at 900-1200°C and 10-15 kbar using PbO and
      H2O fluxes Download the Scanned PDF | Gautam Sen 678 | 
| Ideal site mixing in solid solutions, with an application to two-feldspar
geothermometry Download the Scanned PDF | Jonathan G. Price 696 | 
| Error estimation and empirical geothermobarometry for pelitic systems Download the Scanned PDF | K. V. Hodges and P. D. Crowley 702 | 
| Surinamite in pseudomorphs after cordierite in polymetamorphic granulites from
Zambia Download the Scanned PDF | Emond W.F. de Roever and Stanislav Vrana 710 | 
| An experimental investigation of thermodynamic mixing properties and unit-cell
parameters of forsterite-monticellite solid solution Download the Scanned PDF | Gerald E. Adams and Finley C. Bishop 714 | 
| Methods for determination of composition and intracrystalline cation
distribution in Fe-Mn and Fe-Ni silicate olivines Download the Scanned PDF | Mark L. Miller and Paul H. Ribbe 723 | 
| Site occupancy and two-phase character of "ferrifayalite" Download the Scanned PDF | Martha W. Schaefer 729 | 
| Synthetic laihunite ([ ]xFe2+2-3xFe3+2xSiO4), an oxidation product of olivine Download the Scanned PDF | Shinji Kondoh, Masao Kitamura and Nobuo Morimoto 737 | 
| Geometry of the octahedral coordination in micas: a review of refined structures Download the Scanned PDF | Zdenek Weiss, Milan Rieder, Marta Chmielova and Jan Krajicek 747 | 
| Solid state
      29Si NMR examination of the 2:1 ribbon magnesium silicates,
sepiolite and palygorskite Download the Scanned PDF | P. F. Barron and R. L. Frost 758 | 
| Carlosturanite, a new asbestiform rock-forming silicate from Val
      Varaita, Italy Download the Scanned PDF | Roberto Compagnoni, Giovanni Ferraris and Marcello Mellini 767 | 
| Carlosturanite: HRTEM evidence of a polysomatic series including serpentine Download the Scanned PDF | Marcello Mellini, Giovanni Ferraris and Roberto Compagnoni 773 | 
| Thermodynamics of the lambda transition and the equation of state of quartz Download the Scanned PDF | Koross R. Hosieni, Reed A. Howald and Matthew W. Scanlon 782 | 
| A spectroscopic study of irradiation coloring of amazonite: structurally
hydrous, Pb-bearing feldspar Download the Scanned PDF | Anne M. Hofmeister and George R. Rossman 794 | 
| Dependence of chemistry on genesis in zeolites: multivariate analysis of variance and discriminant analysis Download the Scanned PDF | Alberto Alberti and Maria Franca Brigatti 805 | 
| Order-disorder structure and the internal texture of stilbite Download the Scanned PDF | Mizuhiko Akizuki and Hiroshi Konno 814 | 
| The origin of sector twinning in harmotome Download the Scanned PDF | Mizuhiko Akizuki 822 | 
| Luminescence, color and fission track zoning in apatite crystals of the
Panasqueira tin-tungsten deposit, Beira-Baixa, Portugal Download the Scanned PDF | Craig Knutson, Donald R. Peacor and William C. Kelly 829 | 
| The solubility and stability of scorodite, FeAsO4·2H2O Download the Scanned PDF | Patricia Martin Dove and J. Donald Rimstidt 838 | 
| Freedite and thorikosite from Långban, Sweden, and Laurion, Greece: two new
species related to the synthetic bismuth oxyhalides Download the Scanned PDF | Pete J. Dunn and Roland C. Rouse 845 | 
| New data on lacroixite, NaAlFPO4 Download the Scanned PDF | Seppo T. Lahti and Aarne Pajunen 849 | 
| Polymorphism of samarskite and its relationship to other structurally related Nb-Ta
oxides with the α-PbO2
 structure Download the Scanned PDF | Yoshinori Sugitani, Yoshihisa Suzuki and Kozo Nagashima 856 | 
| Memorial of Ernest Emerson Fairbanks Download the Scanned PDF | George T. Faust 867 | 
| List of Officers and Committees | 869 | 
| NEW MINERAL NAMES Download the Scanned PDF | Pete J Dunn, Michael Fleischer, Richard H. Langley, James E. Shigley, and Janet A. Zilczer 871 | 
| BOOK REVIEWS Download the Scanned PDF | 881 | 
| NOTICES Download the Scanned PDF | 883 | 
 Numbers 9 and 10
| TEM study of a pyroxene-to-pyroxenoid reaction Download the Scanned PDF | David R. Veblen 885 | 
| The alteration of granitic biotite to chlorite Download the Scanned PDF | Richard A. Eggleton and Jillian F. Banfield 902 | 
| The high-low albite relations revealed by reversal of degree of order at high 
pressures Download the Scanned PDF | Julian R. Goldsmith and David M. Jenkins 911 | 
| The hydrothermal melting of low and high albite Download the Scanned PDF | Julian R. Goldsmith and David M. Jenkins 924 | 
| Dissolution of olivine in basaltic liquids: experimental observations and
applications Download the Scanned PDF | Carl R. Thornber and J. Stephen Huebner 934 | 
| Raman spectra of gallium and germanium substituted silicate glasses: variations
in intermediate
range order Download the Scanned PDF | Grant S. Henderson, G. Michael Bancroft, Michael E. Fleet and Derek J. Rogers 946 | 
| A single-dissolution technique for determining FeO and Fe2O3 in rock
and mineral samples Download the Scanned PDF | Steven F. Fritz and Robert K. Popp 961 | 
| Two independent refinements of the structure of paracelsian, BaAl2Si2O8 Download the Scanned PDF | G. Chiari, G. Gazzoni, J. R. Craig, G. V. Gibbs and S. J. Louisnathan 969 | 
| Systematic compositional zoning in the quartz fibers of agates Download the Scanned PDF | Clifford Frondel 975 | 
| Hornblende-cummingtonite and
      hornblende-actinolite intergrowths from the Koyama calc-alkaline intrusion,
      Susa, southwest Japan Download the Scanned PDF | Yoshiaki Yamaguchi 980 | 
| Crystal-chemical implications of the Mg2+-Fe2+  distribution in orthopyroxenes Download the Scanned PDF | M. Chiara Domeneghetti, G. Mario Molin and Vittorio Tazzoli 987 | 
| Magnetic susceptibilities of representative smectites Download the Scanned PDF | William S. Callaway, 3rd, and James L. McAtee, Jr. 996 | 
| Compositional variations of the Unterrupsroth beidellite Download the Scanned PDF | P. H. Nadeau, V. C. Farmer, W. J. McHardy and D. C. Bain 1004 | 
| Crystal structure refinement and crystal chemistry of pumpellyite Download the Scanned PDF | Akira Yoshiasa and Takeo Matsumoto 1011 | 
| MgSiO3
 ilmenite: calorimetry, phase equilibria, and decomposition at atmospheric
pressure Download the Scanned PDF | Eiji lto and Alexandra Navrotsky 1020 | 
| Theoretical analysis of chemical and magnetic ordering in the system Fe2O3-FeTiO3 Download the Scanned PDF | Benjamin P. Burton 1027 | 
| The crystal chemistry of iron-nickel thiospinels Download the Scanned PDF | David J. Vaughan and James R. Craig 1036 | 
| Wodginite and associated oxide minerals from the Peerless pegmatite, Pennington
County,
South Dakota Download the Scanned PDF | P. Cerny, W. L. Roberts, T. S. Ercit and R. Chapman 1044 | 
| The crystal structure of wroewolfeite, a mineral with [Cu4(OH)6(SO4)(H2O)]
sheets Download the Scanned PDF | F. C. Hawthorne and L. A. Groat 1050 | 
| Sb10S15, a Pb-free analogue of fulöppite,
      Pb3Sb8S15 Download the Scanned PDF | J. Steven Swinnea, Anthony J. Tenorio and Hugo Steinfink 1056 | 
| Identity of "freyalite", an alleged rare earth-rich variety of thorite,
and its pre-metamict
composition Download the Scanned PDF | Tom Anderson and Henrich Neumann 1059 | 
| Thermodynamic studies of zeolites: heulandite Download the Scanned PDF | G. K. Johnson, H. E. Flotow, P. A. G. O'Hare and W. S. Wise 1065 | 
| BOOK REVIEWS Download the Scanned PDF | 1072 | 
| NOTICES Download the Scanned PDF | 1073 | 
 Numbers 11 and 12
Part I. Alkaline Rocks
| Introduction Download the Scanned PDF | Eugene E. Foord and Paul B. Moore iii | 
| Geology of the Silsilah ring complex, and associated tin mineralization, Kingdom of Saudi Arabia-a synopsis Download the Scanned PDF | Edward A. du Bray 1075 | 
| Geochemistry and REE minerals of nepheline syenites from the Motzfeldt Centre, South Greenland Download the Scanned PDF | A. P. Jones and L. M. Larsen 1087 | 
| The Oka carbonatite complex, Quebec: geology and evidence for silicate-carbonate
      liquid immiscibility Download the Scanned PDF | Allan H. Treiman and Eric J. Essene 1101 | 
| Mineralogy and partial melting of fenitized crustal xenoliths in the
Oldoinyo Lengai carbonatitic volcano, Tanzania Download the Scanned PDF | Viorica Morogan and Robert F. Martin 1114 | 
| Polylithionite from the rare-metal deposits of the Blachford Lake
alkaline complex, N.W.T., Canada Download the Scanned PDF | Petr Cerny and David L. Trueman 1127 | 
| Rare-earth element minerals in four carbonatites near
      Gatineau, Quebec Download the Scanned PDF | Donald D. Hogarth, Ron Hartree, John Loop and Todd N. Solberg 1135 | 
| The origin of Al-rich spinel inclusions in leucite from the leucite lamproites of Western Australia Download the Scanned PDF | A. L. Jaques and S. F. Foley 1143 | 
| Petrology, geochemistry and origin of the Big Branch and Red Mountain gneisses,
southeastern Llano Uplift, Texas Download the Scanned PDF | James R. Garrison, Jr. 1151 | 
| Systematics of intrinsic oxygen fugacity-temperature relationships in
multi-phase assemblages Download the Scanned PDF | Stephen E. DeLong 1164 | 
| The high temperature behavior of trace hydrous components in silicate minerals Download the Scanned PDF | Roger D. Aines and George R. Rossman 1169 | 
| Amethyst color in quartz, the result of radiation protection involving iron Download the Scanned PDF | Alvin J. Cohen 1180 | 
| Color centers in sodalite Download the Scanned PDF | P. S. Pizani, M. C. Terrile, H. A. Farach and C. P. Poole, Jr. 1186 | 
| Coexisting paragonite-phengite in blueschist eclogite: a TEM study Download the Scanned PDF | Jung Ho Ahn, Donald R. Peacor and Eric J. Essene 1193 | 
| Chemical variations in sodium gedrite from Labrador Download the Scanned PDF | Jonathan H. Berg 1205 | 
| Compositional variation of naturally occurring rhoenite Download the Scanned PDF | A. Dana Johnston and James H. Stout 1211 | 
| Tourmaline solid solutions in the system MgO-Al2O3-SiO2-B2O3-H2O Download the Scanned PDF | A. Dana Johnston and Phillip E. Rosenberg and Franklin F. Foit, Jr. 1217 | 
| An experimental study of hydroxyl groups and water in synthetic and natural
zircons: a model of the metamict state Download the Scanned PDF | Raoul Caruba, Alain Baumer, Max Ganteaume and Philibert Iacconi 1224 | 
| Oriented hematite inclusions in sillimanite Download the Scanned PDF | Michael E. Fleet and Makoto Arima 1232 | 
| Molecular mimicry of the geometry and charge density distribution of polyanions in borate minerals Download the Scanned PDF | Z. G. Zhang, M. B. Boisen, Jr., L. W. Finger and G. V. Gibbs 1238 | 
| Electron ordering in ilvaite, a mixed-valence iron silicate: crystal structure refinement at 138 K Download the Scanned PDF | Subrata Ghose, P. K. Sen Gupta and E. O. Schlemper 1248 | 
| Microstructures and orientation relationships in the dry-state aragonite-calcite
and calcite-lime phase transformations Download the Scanned PDF | John W. McTigue, Jr. and Hans Rudolf Wenk 1253 | 
| Electronic spectra of Fe3+
 oxides and oxide hydroxides in the near IR to near
UV Download the Scanned PDF | David M. Sherman and T. David Waite 1262 | 
| Thermodynamic properties of tetrahedrite-tennantites: constraints on the
interdependence of the Ag ↔ Cu, Fe ↔ Zn, Cu ↔ Fe, and As
      ↔ Sb exchange
reactions Download the Scanned PDF | Richard Olmsted Sack and Robert R. Loucks 1270 | 
| The reduced uraniferous mineralizations associated with the volcanic rocks of
the Sierra Pena Blanca (Chihuahua, Mexico) Download the Scanned PDF | Brigitte Aniel and Jacques Leroy 1290 | 
| Crystal structure refinement of anandite-2Or, a barium- and sulphur-bearing
trioctahedral mica Download the Scanned PDF | Marlene A. Filut, Audrey C. Rule and S. W. Bailey 1298 | 
| Refinement of the structure of carnallite, Mg(H2O)6KCl3 Download the Scanned PDF | E. O. Schlemper, P. K. Sen Gupta and Tibor Zoltai 1309 | 
| Gysinite,
      Pb(Nd,La)(CO3)2(OH)·H2O, a new lead, rare-earth carbonate from
      Shinkolobwe, Shaba, Zaire and its relationship to ancylite Download the Scanned PDF | Halil Sarp and Jean Bertrand 1314 | 
| Comparison chart for estimating volume percentages of constituents in rocks and
concentrates in the range of 1.0 to 0.1 volume percent Download the Scanned PDF | Jeffrey C. Reid 1318 | 
| Mixing properties of aluminosilicate garnets: constraints from natural and
experimental data, and applications to geothermo-barometry: Clarifications Download the Scanned PDF | Jibamitra Ganguly and Surendra K. Saxena 1320 | 
| Memorial of David R. Wones Download the Scanned PDF | David B. Stewart 1321 | 
| Report of the Treasurer for 1984 Download the Scanned PDF | Gordon L. Nord, Jr. 1324 | 
| Report of the Financial Advisory Committee for 1984 Download the Scanned PDF | 1327 | 
| NEW MINERAL NAMES Download the Scanned PDF | Pete J. Dunn, James A Ferraiolo, Michael Fleischer, Volker Gobel, Joel D. Grice, Richard H. Langley, . James E. Shigley, David A. Vanko, and Janet A. Zilczer 1329 | 
| BOOK REVIEWS & NOTICES & ERRATA Download the Scanned PDF | 1335 | 
| INDEX Download the Scanned PDF | 1339 |