Geochimica et Cosmochimica Acta 1993: Vol 57 Table of Contents

25 Pages·1993·7.2 MB·English

LIST OF CONTENTS
January (Vol. 57, No. 1)
Volume 57 Number | January 1993
Articles
J. M. SIMONSON and D. A. PALMER: Liquid-vapor partitioning of HCl(aq) to 350°C
T. ARAKAKI and J. W. MORSE: Coprecipitation and adsorption of Mn(II) with mackinawite (FeS) under conditions similar
to those found in anoxic sediments
G. R. HELZ, J. M. CHARNOCK, D. J. VAUGHAN, and C. D. GARNER: Multinuclearity of aqueous copper and zinc bisulfide
complexes: An EXAFS investigation
C.-C. LIN and P. SHEN: Directional dissolution kinetics of willemite
E. BARG, T. LEE, D. LAL, F. AZAM, and P. ARRHENIUS: An electrochemical method for in situ extraction of trace elements,
radionuclides, and submicron particles from seawater
P. BEATTIE: On the occurrence of apparent non-Henry’s Law behaviour in experimental partitioning studies
R. A. DAHLGREN and W. J. WALKER: Aluminum release rates from selected Spodosol Bs horizons: Effect of pH and solid-
phase aluminum pools
A. SCHIMMELMANN and M. KASTNER: Evolutionary changes over the last 1000 years of reduced sulfur phases and organic
carbon in varved sediments of the Santa Barbara Basin, California 67
S-J. BARNES and C. P. PICARD: The behaviour of platinum-group elements during partial melting, crystal fractionation, and
sulphide segregation: An example from the Cape Smith Fold Belt, northern Quebec 79
Y. Y. Nwe and G. MORTEANI: Fluid evolution in the HyO-CH,4-CO,-NaCl system during emerald mineralization at Gravelotte,
Murchison Greenstone Belt, Northeast Transvaal, South Africa 89
J. E. NIELSON, J. R. BUDAHN, D. M. UNRUH, and H. G. WILSHIRE: Actualistic models of mantle metasomatism documented
in a composite xenolith from Dish Hill, California 105
L. L. DAvis and D. SMITH: Ni-rich olivine in minettes from Two Buttes, Colorado: A connection between potassic melts from
the mantle and low Ni partition coefficients 123
J.S. COMPTON, D. A. HODELL, J. R. GARRIDO, and D. J. MALLINSON: Origin and age of phosphorite from the south-central
Florida Platform: Relation of phosphogenesis to sea-level fluctuations and 6'°C excursions 131
M.-Y. SUN, C. LEE, and R. C. ALLER: Laboratory studies of oxic and anoxic degradation of chlorophyll-a in Long Island
Sound sediments 147
S. G. WAKEHAM, K. H. FREEMAN, T. K. PEASE, and J. M. HAYES: A photoautotrophic source for lycopane in marine water
columns 159
J. P. JASPER and R. B. GAGOSIAN: The relationship between sedimentary organic carbon isotopic composition and organic
biomarker compound concentration 167
C. ALIBERTand M. T. MCCULLOCH: Rare earth element and neodymium isotopic compositions of the banded iron-formations
and associated shales from Hamersley, western Australia 187
Y. Lao, R. F. ANDERSON, W. S. BROECKER, H. J. HOFMANN, and W. WOLFLI: Particulate fluxes of 7°°Th, 7°'Pa, and '°Be in
the northeastern Pacific Ocean 205
D.-C. LEE, A. N. HALLIDAY, R. H. HUNTER, P. HOLDEN, and B. G. J. UPTON: Rb-Sr and Sm-Nd isotopic variations in
dissected crustal xenoliths 219
G. J. MACPHERSON and A. M. DAvis: A petrologic and ion microprobe study of a Vigarano Type B refractory inclusion:
Evolution by multiple stages of alteration and melting 231
Book Reviews
E. ROEDDER: Quantitative Methods in Petrology edited by T. M. Gordon and R. F. Martin 245
J. LONGHI: Physical Chemistry of Magmas edited by L. L. Perchuk and I. Kushiro 245
D. M. SHAW: Geostatistical Glossary and Multilingual Dictionary edited by R. A. Olea .............00.00002. 0e0ee 245
i. oy ees rapes emceeee ar aeeecne Gomer Oy W.G. TROGS . . ww... ice ccc cece cece receevesenernadves 246
Announcements
Re a Ne oe ey ala la ag tales i ba gees oO pide erE reerle eee 247
SS a ll, oe le eh ae OMe eA eed wv Gee SM oo dw beeoenaeweenakede 251
January (Vol. 57, No. 2)
Volume 57 Number 2 January 1993
Letters
W. T. PERKINS, N. J. G. PEARCE, and T. E. JEFFRIES: Laser ablation inductively coupled plasma mass spectrometry: A new
technique for the determination of trace and ultra-trace elements in silicates ....0.000..000. 0c .ccc .eee. e.ee eee 475
S. F. FOLEY: An experimental study of olivine lamproite: First results from the diamond stability field ................. 483
A. J. GRATZ, P. E. HILLNER, and P. K. HANSMA: Step dynamics and spiral growth on calcite .....................0.. 491
Articles
M. BAR-MATTHEWS, G. J. WASSERBURG, and J. H. CHEN: Diagenesis of fossil coral skeletons: Correlation between trace
Nee en ern ee Nand awe bbb SenteWe pbeceouraenn 257
B. MUKHOPADHYAY, S. BASU, and M. J. HOLDAWAy: A discussion of Margules-type formulations for multicomponent
ln Sea a Oe oe cle pe ee ee ce gS em i ee ath ky ease 277
K. G. KNAusS, S. N. NGUYEN, and H. C. WEED: Diopside dissolution kinetics as a function of pH, CO,, temperature, and
a OR en ee Ng I ee ee de EW AL ed bce Coe aOR Cie FAA Oe Mee binde peadeer) 285
J. H. LEE and R. H. BYRNE: Complexation of trivalent rare earth elements (Ce, Eu, Gd, Tb, Yb) by carbonate ions ...... 295
E. D. INGALL, R. M. BUSTIN, and P. VAN CAPPELLEN: Influence of water column anoxia on the burial and preservation of
a ie hae 60d oo ae DRED LMR OL DASE ate Halen wan 303
B. P. BOUDREAU and D. E. CANFIELD: A comparison of closed- and open-system models for porewater pH and calcite-
ATO UO eS eld at pk al a a a Ne a ee aa ee oblate be RN Lek GWG da te ke 317
Y. ROSENTHAL and E. A. BOYLE: Factors controlling the fluoride content of planktonic foraminifera: An evaluation of its
EE ad RE ee sal, at ba W neW N Se A ne Na 60 08 ea OE OS 335
M. L. DELANEY, L. J. LINN, and E. R. M. DRUFFEL: Seasonal cycles of manganese and cadmium in coral from the Galapagos
Te ea et ee a a bale a 5 ee ae Ae Boia ak LE Oa pd h b pulee bs awn s hae 347
Y. PAN, M. E. FLEET, and N. D. MACRAE: Late alteration in titanite (CaTiSiO;): Redistribution and remobilization of rare
earth elements and implications for U/Pb and Th/Pb geochronology and nuclear waste disposal .................... 355
P. C. LICHTNER and V. N. BALASHOv: Metasomatic zoning: Appearance of ghost zones in the limit of pure advective mass
ag NaS, ba SE apn MUSA cr SD SES Bi aS TA Ee Lap es ag OR RE OO a” ee ee Br a PnP cm Le 369
J. S. SINNINGHE DamsTE, F. X. C. DE LAS HERAS, P. F. VAN BERGEN, and J. W. DE LEEUW: Characterization of Tertiary
Catalan lacustrine oil shales: Discovery of extremely organic sulphur-rich Type I kerogens ......................... 389
S. NAKAI, A. N. HALLIDAY, S. E. KESLER, H. D. JONES, J. R. KYLE, and T. E. LANE: Rb-Sr dating of sphalerites from
la ev ae Ok be dv 4) FAAS OA REDD eee bb bea pba bb ee 417
S. CHAUDHURI and N. CLAUER: Strontium isotopic compositions and potassium and rubidium contents of formation waters
in sedimentary basins: Clues to the origin of the solutes ... 0... ccc ccc cc ect e cece rece eeeeeeeseees 429
Y. IKEDA and M. PRINZ: Petrologic study of the Belgica 7904 carbonaceous chondrite: Hydrous alteration, oxygen isotopes,
and relationship to CM and CI chondrites 439
J. H. JONES, S. R. HART, and T. M. BENJAMIN: Experimental partitioning studies near the Fe-FeS eutectic, with an emphasis
on elements important to iron meteorite chronologies (Pb, Ag, Pd, and Tl) OTE EY Pir es GE AD AE CNS OLS TS 453
S. R. SUTTON, K. W. JONES, B. GORDON, M. L. RIVERS, S. BAJT, and J. V. SMITH: Reduced chromium in olivine grains
from lunar basalt 15555: X-ray Absorption Near Edge Structure (XANES) .......00.00.00 .c.cc0 .ee0e 0e0e n 461
Discussion: The barium content of foraminiferal calcite
N. E. PINGITORE JR.: Comment on “Barium in planktonic foraminifera” by D. W. Lea and E. A. Boyle ............... 469
D. W. LEA and E. A. BOYLE: Reply to the Comment by N. E. Pingitore Jr. on “Barium in planktonic foraminifera” ..... 471
Book Reviews
E. J. OLSEN: From Manile to Meteorites edited by K. Gopalan etal. ....0.. ccc. ccc. ccc. ccc. cec.e ce.t ce.ecee ees 497
E. UCHUPI: Annual Review of Earth and Planetary Science, Volumes 19 and 20 .......0.00.0 c.cc. cc0c. 0ee.e 0ee ns 497
R. H. BLODGETT: Weathering, Soils & Paleosols edited by I. P. Martini and W. Chesworth .......................... 498
M. BARTON: Field Geology of High-Grade Gneiss Terrains by C. W. Passchier et al. ......0..0.0..0 .0.000. 0.c 0e.e0e 498
M. BARTON: Atlas of Metamorphic Rocks and Their Textures by B. W. D. Yardley etal. ...............0.0...0000204.. 499
T. E. CERLING: Stable Isotope Geochemistry: A Tribute to Samuel Epstein edited by H. P. Taylor Jr. etal. .............. 500
B. O. MYSEN: Theoretical Geochemistry: Application of Quantum Mechanics in the Earth and Mineral Sciences by J. A.
EE a A oc Kos Bea eee ee FOE eee NS EES 6 ek CS od OEE ee aE ERG ee 500
ec renee Sn EY Ss ens span n p 0 bee th OS He ERD eae a eK ead cee eeu ere 502
Scientific Announcement
Availability of a New Isotopic Reference Material for Iron... 0... cc ccc c cece cece ees eeeseeesnens 503
Announcements
Recent Advances in Aqueous Geccmemiisity SyWPOROMD ow ee ccc c cee ee ecenseeeebovevedebuseus 504
ne eS oa aid sh Pi ON dale Dine Vek ob eae ek bees oe ee er 505
February (Vol. 57, No. 3)
Volume 57 Number 3 February 1993
Letters
M. GFELLER, G. FURRER, and P. W. SCHINDLER: The determination of kinetic and thermodynamic constants in completely
a ag wag Wd Rie asibce MLE MAMA OE DORE CD FERED EE APRON OEE boa 685
K. A. FOLAND, J. D. LANDOLL, C. M. B. HENDERSON, and C. JIANGFENG: Formation of cogenetic quartz and nepheline
ng aE a re ca a ace a gha ha aia daa been Pieri cee tenes dlB ing esC igseee Are rd Oe RL DG cea 697
P. M. DOVE and M. F. HOCHELLA JR.: Calcite precipitation mechanisms and inhibition by orthophosphate: In situ observations
ne. 8 so ten h leS n itp BAAR ®t WO Pe E RE bo ae ee near Scene 705
Articles
Y.ERELand E. M. STOLPER: Modeling of rare-earth element partitioning between particles and solution inaquaticenvironments 513
R. H. BYRNE and K.-H. KIM: Rare earth precipitation and coprecipitation behavior: The limiting role of PO}” on dissolved
ois oo. 0a bra sacks oa OLS eae POUR ed HE bc iw SORE TR wee ee Ou e lee REED 519
P. A. PRUYSERS, G. J. DE LANGE, J. J. MIDDELBURG, and D. J. HYDES: The diagenetic formation of metal-rich layers in
sapropel-containing sediments in the eastern Mediterranean .....0..0 .ce.c.e. ..ee.e .ee.e e ee 527
K. K. FALKNER, G. P. KLINKHAMMER, T. S. BOWERS, J. F. TODD, B. L. LEwis, W. M. LANDING, and J. M. EDMOND: The
behavior of barium in anoxic marine waters 537
C. E. BARNES and J. K. COCHRAN: Uranium geochemistry in estuarine sediments: Controls on removal and release processes 555
N. IVERSEN and B. B. JORGENSEN: Diffusion coefficients of sulfate and methane in marine sediments: Influence of porosity 571
J. THOMSON, N. C. HIGGS, I. W. CROUDACE, S. COLLEY, and D. J. HYDES: Redox zonation of elements at an oxic/post-oxic
SO a oe cag g aah ea eee dDt ees hs PLwEKS Feb aN eee Pee eae ss 579
S. A. COPENHAVER, S. KRISHNASWAMI, K. K. TUREKIAN, N. EPLER, and J. K. COCHRAN: Retardation of 7**U and **°Th
decay chain radionuclides in Long Island and Connecticut aquifers .......0.c.. .....eee. ee ns 597
D. SMITH, W. L. GRIFFIN, and C. G. RYAN: Compositional evolution of high-temperature sheared lherzolite PHN 1611 .. 605
F. ALBAREDE: Residence time analysis of geochemical fluctuations in volcanic series ................e.e0e 0u0u e 615
H. J. SCHENK and B. HORSFIELD: Kinetics of petroleum generation by programmed-temperature closed- versus open-system
ae Maa eae ee are, 2 a Lt a ae i wie wih 4G Od Ag bee Wee OM AGRA EO OL aC Ker e Cwes 623
B. L. COUSENS, F. J. SPERA, and P. F. DOBSON: Post-eruptive alteration of silicic ignimbrites and lavas, Gran Canaria, Canary
Islands: Strontium, neodymium, lead, and oxygen isotopic evidence .....0..0..2 c.cc .c.e.e.. .e ee 631
R. FENG, R. KERRICH, and R. MAAS: Geochemical, oxygen, and neodymium-isotope compositions of metasediments from
the Abitibi greenstone belt and Pontiac Subprovince, Canada: Evidence for ancient crust and Archean terrane juxtaposition 641
M. T. MCCULLOCH and J. D. WOODHEAD: Lead isotopic evidence for deep crustal-scale fluid transport during granite
Nes en Se ee ae ed aN a ee ie ae nig etek One Oe Ra de Bee oH ee ais CORA ES ieee ee Mas 659
I. CASANOVA, K. KEIL, and H. E. NEWSOM: Composition of metal in aubrites: Constraints on core formation ........... 675
Scientific Comment
R. J. BODNAR: Revised equation and table for determining the freezing point depression of HyO-NaCl solutions ......... 683
Announcement
Sg sd ed ba aval BA kleLee A NER ha A eee WE Cee b wean 715
February (Vol. 57, No. 4)
Volume 57 Number 4 February 1993
Letter
M. S. DE VRIES, K. REIHS, H. R. WENDT, W. G. GOLDEN, H. E. HUNZIKER, R. FLEMING, E. PETERSON, and S. CHANG:
ce aN ie he Sad We Gp viva ace BAS 0 baie Fa ade wee wal he boa vce te ee SS 933
Articles
J. A. SHARPS, G. E. BROWN JR., and J. F. STEBBINS: Kinetics and mechanism of ligand exchange of Au(III), Zn(II), and Cd(II)
chlorides in aqueous solution: An NMR study from 28-98°C 2.0001 eee eens 721
D. B. Joyce and J. R. HOLLOWAY: An experimental determination of the thermodynamic properties of HxO-CO,-NaCl fluids
ao CC Ed ores gS aw ca ale ee A ae bY be Fo ba ewe ga Oi 733
W. L. BOURCIER, K. G. KNAUSS, and K. J. JACKSON: Aluminum hydrolysis constants to 250°C from boehmite solubility
i a Dea ae aS 6 ee Ee a eas ee AEE RTA KOS oN en FEO Skt ee a OR 747
A. M. STUEBER, L. M. WALTER, T. J. HUSTON, and P. PUSHKAR: Formation waters from Mississippian-Pennsylvanian reservoirs,
Illinois basin, USA: Chemical and isotopic constraints on evolution and migration ...........0.0.. c.c .ec.e .e0e e 763
W. H. CASEY, M. F. HOCHELLA JR., and H. R. WESTRICH: The surface chemistry of manganiferous silicate minerals as inferred
ial a yga ke eK see eek hae oie eM we PEG HE OA” bee Sheds tees 785
T. M. GERLACH: Oxygen buffering of Kilauea volcanic gases and the oxygen fugacity of Kilauea basalt ................. 795
V. L. TAUSON, M. G. ABRAMOVICH, V. V. AKIMOV, and V. A. SCHERBAKOV: Thermodynamics of real mineral crystals:
Equilibrium crystal shape and phase size effect
S. M. HENRICHS and S. F. SUGAI: Adsorption of amino acids and glucose by sediments of Resurrection Bay, Alaska, USA:
ETS ire eae er EE tay gs 8 RTOS WRG Bn, Ve bot 2 IRS IE arom eet a peg rg eee 823
J.-Z. DONG, W. P. VORKINK, and M. L LEE: Origin of long-chain alkylcyclohexanes and alkylbenzenes in a coal-bed wax .. 837
S. DERENNE, C. LARGEAU, and F. TAULELLE: Occurrence of non-hydrolysable amides in the macromolecular constitutent of
Scenedesmus quadricauda cell wall as revealed by '°N NMR: Origin of n-alkylnitriles in pyrolysates of ultralaminae-containing
I ene a5 os So does Wa lsle dine UE ww Pwd FO od Oe LA oa KR Std Oe ee oe eats 851
M. HONDA, I. MCDOUGALL, D. B. PATTERSON, A. DOULGERIS, and D. A. CLAGUE: Noble gases in submarine pillow basalt
glasses from Loihi and Kilauea, Hawaii: A solar component in the Earth hate i sae deta te earls oh pects 859
J. G. BLANK, J. R. DELANEY, and D. J. DES MARAIS: The concentration and isotopic composition of carbon in basaltic glasses
ee ee ee er Cr I, I fn tg sige pees Gad SOT) a Lk Bes ba eRe CC ae rere eas 875
T. E. MCCANDLESS, J. RUIZ, and A. R. CAMPBELL: Rhenium behavior in molybdenite in hypogene and near-surface environ-
a ee ee ad ak Feb aS Civ a bs eee ei Rh Aa eet En ad oa he 889
M. KomIyYA, A. SHIMOYAMA, and K. HARADA: Examination of organic compounds from insoluble organic matter isolated
from some Antarctic carbonaceous chondrites by heating experiments ......0.00.000.0 c.cc .ee.e .ee.e e.ee een 907
C.-Y. SHIH, L. E. NyQuisT, E. J. DASCH, D. D. BOGARD, B. M. BANSAL, and H. WIESMANN: Ages of pristine noritic clasts
ee I ee Pe a kWh o's Pea d ae rab baie od Ob bad ches Wal een a os 915
Announcements
en eS ahs oc wd lh RS a be ee wpe bbk LEONA Sob eRe oie ee Curiae can 939
March (Vol. 57, No. 5)
Volume 57 Number 5 March 1993
Articles
M. A. GOUGH, R. FAUZI, C. MANTOURA, and M. PRESTON: Terrestrial plant biopolymers in marine sediments .......... 945
A. J. GRATZ and P. BIRD: Quartz dissolution: Negative crystal experiments and a rate law ...................0000000. 965
A. J. GRATZ and P. BIRD: Quartz dissolution: Theory of rough and smooth surfaces ................0.c.cc. e0e0u 0ee e 977
K. C. RUTTENBERG and R. A. BERNER: Authigenic apatite formation and burial in sediments from non-upwelling, continental
I ood ahs Se eae wo NO wo Ve wh aa OR Re bbe EMEA ELE SERVES SEb o oD ees bb CIRO as ade 991
A. SARKAR, S. K. BHATTACHARYA, and M. M. SARIN: Geochemical evidence for anoxic deep water in the Arabian Sea during
a ata oe a!a ata i ach Be A Wo BIN 1d Naha 4 wee le ee Lech ok bralS le ein Ack Sate we ang ATR Ain opts ka 1009
I. HUTCHEON, M. SHEVALIER, and H. J. ABERCROMBIE: pH buffering by metastable mineral-fluid equilibria and evolution
ee i's pith Gb seen 4 ba Wee ate aan RE NOEs Cadods onaes cas 1017
J.-P. MULLER and G. CALAS: Mn?**-bearing kaolinites from lateritic weathering profiles: Geochemical significance ....... 1029
D. SYKES and J. D. KUBICKI: A model for HO solubility mechanisms in albite melts from infrared spectroscopy and molecular
PRS EEE Wi ae FUE ap ly aT Ptee WES Res Apert) OS IRY wel akira hin yee «5. WAR we OSES Aad ig Dare. 1039
J. EIKENBERG, P. SIGNER, and R. WIELER: U-Xe, U-Kr, and U-Pb systematics for dating uranium minerals and investigations
ee er ee cs ak & Sy a ow le WOR a bok won 'b REDE O owe pee Dees oe Ue ee ee 1053
R. V. LLoyb, J. W. MORRISON, and D. N. LUMSDEN: The influence of ferrous and ferric iron on the Mn”? partitioning ratio
I resars AE re aee ree Sale Kteno pt Gu gO ewe W IE OM cee we Oe 1071
Y.-F. ZHENG: Calculation of oxygen isotope fractionation in anhydrous silicate minerals ............................ 1079
E. K. PETERS: D-'8O enriched waters of the Coast Range Mountains, northern California: Connate and ore-forming fluids 1093
H. Y. MCSWEEN JR. and T. C. LABOTKA: Oxidation during metamorphism of the ordinary chondrites
O. EUGSTER, TH. MICHEL, S. NIEDERMANN, D. WANG, and W. YI: The record of cosmogenic, radiogenic, fissiogenic, and
trapped noble gases in recently recovered Chinese and other chondrites ............0.0.0.00 000s 1115
Scientific Comment
G. A. SNYDER, L. A. TAYLOR, and G. CROZAzZ: Rare earth element selenochemistry of immiscible liquids and zircon at Apollo
a I SS, ah hake as we dee cba e dv tase Sb eeSees so ee peewee’ 1143
Discussion: The geochemistry of palladium in aqueous solutions
R. H. BYRNE and L. R. KUMP: Comment on “Speciation of aqueous palladium(II) chloride solutions using optical spectros-
ee ee, a re ee es vn koe wed ceed hue ee Oars be hy Weed ee ne F 8's,0 8 RMIT RO 1151
C. D. Tait and D. R. JANECKY: Reply to the Comment on “Speciation of aqueous palladium(II) chloride solutions using
Se EO ee ee ae te a ee vig pys a dk Se Ow We lke FO ae eee ae WON Sb 6 oso blees 1157
Book Reviews
J. GANGULY: Introduction to the Physics of the Earth’s Interior by J.-P. Poirier... 0.0.0... 00 eee 1159
V. L. SHARPTON: Venus Geology, Geochemistry, and Geophysics edited by V. L. Barsukov, A. T. Basilevsky, V. P. Volkov,
LE ARE RE a A PD ee OR eR PTo N Peg PCy tage, UR ear RIE ED OPED San ber Se area ora 1159
T. PACES: Activity Coefficients in Electrolyte Solutions, 2nd ed., edited by K.S. Pitzer ....................20020200005. 1160
G. H. NEwsom: Satellites of the Outer Planets: Worlds in Their Own Right by D. A. Rothery ........................ 1161
T. N. TAYLOR: Jurassic and Cretaceous Floras and Climates of the Earth by V. A. Vakhrameev .....................- 1161
Announcements
EE NSU OL pI are ited av TR) SE oe OPO OrrO E om ga? Sa re 1163
March (Vol. 57, No. 6)
Volume 57 Number 6 March 1993
Letters
P. SUNDARARAMAN and C. J. BOREHAM: Comparison of nickel and vanadyl porphyrin distributions of sediments ....... 1367
P. SUNDARARAMAN and J. M.M OLDOWAN: Comparison of maturity based on steroid and vanadyl porphyrin parameters: A
new vanadyl porphyrin maturity parameter for higher maturities .....0..0.... c.c e.ce. .eee. ee. eee. ee ns 1379
Actinide Series Disequilibria in Igneous and Geothermal Processes
B. VILLEMANT, V. MICHAUD, and N. METRICH: Wall rock-magma interactions in Etna, Italy, studied by U-Th disequilibrium
a ey er Cae CRS als caus: pid bh ebb ag OE OE Cow ween ede ve Us er 1169
L. Y. GRIFFAULT, M. GASCOYNE, C. KAMINENI, R. KERRICH, and T. T. VANDERGRAAF: Actinide and rare earth element
characteristics of deep fracture zones in the Lac du Bonnet granitic batholith, Manitoba, Canada ................... 1181
N. C. STURCHIO, J. K. BOHLKE, and F. J. MARKUN: Radium isotope geochemistry of thermal waters, Yellowstone National
SE ea Ci Le eg erg Serta 4 og GadLy ait s Fa es Mid ae Oe Sa Seba be see bee eeb eed deve 1203
S. J. SCHAEFER, N. C. STURCHIO, M. T. MURRELL, and S. N. WILLIAMS: Internal 7**U-series systematics of pumice from the
November 13, 1985, eruption of Nevado del Ruiz, Colombia .....c.cc. .cc.c .e.ee e.ee e.eese ees 1215
C. LALOu, J. L. REyss, and E. BRICHET: Actinide-series disequilibrium as a tool to establish the chronology of deep-sea
el a ae Cee eile Gs See oe ge ig ety sof 4 bie oe ek wee Melee baa ob bb bie e 8 1221
A. M. VOLPE and S. J. GOLDSTEIN: 7*°Ra-?*°Th disequilibrium in axial and off-axis mid-ocean ridge basalts ............. 1233
Other Articles
F. FARGES, J. A. SHARPS, and G. E. BROWN JR.: Local environment around gold (III) in aqueous chloride solutions: An
i dd IP nk Sa AS ree oe ks aie ald a Week bre oles WW Or Ae ie we RO OD OS doo eee Wes 1243
J. P. CHANTON, C. S. MARTENS, C. K. PAULL, and J. A. COSTON: Sulfur isotope and porewater geochemistry of Florida
escarpment seep sediments
P. COURTIAL and P. RICHET: Heat capacity of magnesium aluminosilicate melts OAs A ine oa Si Aare ae an 1267
S. J. BARNES: Partitioning of the platinum group elements and gold between silicate and sulphide magmas in the Munni
RU Rn a ere oe ee es ans saa pig deere date: shale Wwrkd Sab bain cee, 1277
D. SYKES, J. E. DICKINSON JR., R. W. LUTH, and C. M. SCARFE: Viscosity-temperature relationships at | atm in the system
I ony cab par iea enFP Sa ailie o Wii Gee Whee bbe WE onal OE oiale Wh cree SRS ceed aay oe eens 1291
D. J. M. BURKHARD: Accessory chromium spinels: Their coexistence and alteration in serpentinites ................... 1297
M. I. CHICARELLI, J. M. HAYES, B. N. Popp, C. B. ECKARDT, and J. R. MAXWELL: Carbon and nitrogen isotopic compositions
Oe Se een See Gee Py BI I orc NScote eke oe 0 Ok Bi eld een ow iG wed Pa Eee 1307
T. W. TRULL and M. D. Kurz: Experimental measurements of *He and *He mobility in olivine and clinopyroxene at
I Ss ca ed gic eased ees OR Bae ERS. CUEN NPE SEL ER Mew Chua Oe cE ws aed eee 1313
M. STEIN, Z. GARFUNKEL, and E. JAGOUTZ: Chronothermometry of peridotitic and pyroxenitic xenoliths: Implications for
ee es ee Gr te Pe oc oa vo cn oe boc a eee Ria Ce ele och bok ct teehee 1325
S. R. Boyp, A. HALL, and C. T. PILLINGER: The measurement of 5'°N in crustal rocks by static vacuum mass spectrometry:
Application to the origin of the ammonium in the Cornubian batholith, southwest England ....................... 1339
Scientific Comments
W. J. TARUTIS JR.: On the equivalence of the power and reactive continuum models of organic matter diagenesis ........ 1349
R. Bros, L. TURPIN, F. GAUTHIER-LAFAYE, Ph. HOLLIGER, and P. STILLE: Occurrence of naturally enriched 7*°U: Implications
ee OR CO SCs es og the ok aa hr ee ew eee bd # Wie a he OW a aca as eee Oe 1351
Discussion: Problems with the analysis of cosmogenic nitrogen by mass spectrometry
S. V. S. MURTY: Comment on “Measurement of cosmogenic nitrogen using a static mass-spectrometry system and its im-
I Say ts, en GIT EE I Sg fog cd hae o bn 4 Os pk Bele lee pale ae ae ke Balen 6a kw ae Laas ee er eae 1357
K. HASHIZUME and N. SUGIURA: Reply to the Comment on “Measurement of cosmogenic nitrogen using a static mass-
a ec oats SS ek Ss ie) gu eRe 6 4 Gly SSR ak ON We Wig eche eae OT Re we a ela 1361
S. V. S. MURTY: Response to the Reply by K. Hashizume and N. Sugiura on ““Measurement of cosmogenic nitrogen using a
a ry I ial vend nacins Seb0ehra geod eee h ge eck bceceevl eed eeaead en 1364
K. HASHIZUME and N. SUGIURA: Response to the Comment by S. V. S. Murty on “Measurement of cosmogenic nitrogen
using a static mass-spectrometry system and its implication” .......0.c c.cc. .e.e.e0 .eee. e.ee e.en s 1364
Erratum
G. J. MACPHERSON: Erratum to G. J. MacPherson and A. M. Davis (1993) “A petrologic and ion microprobe study of a
Vigarano Type B refractory inclusion: Evolution by multiple stages of alteration and melting.”’ Geochimica et Cosmochimica
Se a as he's wrstuhw eben AR RUO UN Re oak ee ER A eek Clea ee eee ale eras 1365
Announcements
Fourth internationsl Symposium on Hydrothermal Reactions... wk ccc cee eee vebanvedeveveveccsestuys 1387
Environmental and Engineering Geophysical Society (EEGS) ....c.cc. ce.ce e.ee t.een. ee.e e.e ee e.eeee ees 1388
cs hey ical cd ala 0d oie be Ew oA Aeria cated ed Oh Weel ks DACRE ee es 1389
April (Vol. 57, No. 7)
Volume 57 Number 7 April 1993
Letters
A. VAIRAVAMURTHY, B. MANOWITZ, G. W. LUTHER III, and Y. JEON: Oxidation state of sulfur in thiosulfate and implications
a a so i aay och ig an Mes bs Re Bn eV EDN 64h 0d WEEN AGE SEO Dea ei ate 1619
K. SUZUKI, QI-LU, H. SHIMIZU, and A. MASUDA: Reliable Re-Os age for molybdenite ...........0..0..2.0.. 0.0 0.05 : 1625
ZHENWEI QIN: Dynamics of melt generation beneath mid-ocean ridge axes: Theoretical analysis based on ***U-?*°Th-**°Ra
eeae ahr pbk ov pee edi add caw kaw we beeen 1629
Articles
D. A. PALMER and K. E. HYDE: An experimental determination of ferrous chloride and acetate complexation in aqueous
Si Sd a La Sag ek we Bg CEO gO ies deb aba es 6 x ea eed eX eee 1393
S. ZHONG and A. MUuccI: Calcite precipitation in seawater using a constant addition technique: A new overall reaction kinetic
See ae er rei uh. a be ark Ssa i hte MRE Ae RN) hee ek LP Oe 6 RE DERN OO Oe FOR 1409
P. M. SAAGER, J. SCHIJF, and H. J. W. DE BAAR: Trace-metal distributions in seawater and anoxic brines in the eastern
Oc OO aie a te ee ee te ee EMS 5 soy sig a kK. di stele wd poke Ge’ 1419
P. I. PREMovic, N. Z. PAVLOVIC, M. S. PAVLOviIC, and N. D. NIKOLIC: Physicochemical conditions of sedimentation of the
Fish Clay from Stevns Klint, Denmark, and its detrital nature: Vanadium and other supportive evidence ............. 1433
D. E. MEECE and L. K. BENNINGER: The coprecipitation of Pu and other radionuclides with CaCO; .................. 1447
S. R. GISLASON, D. R. VEBLEN, and K. J. T. Livi: Experimental meteoric water-basalt interactions: Characterization and
hE a a i re es EL TORE a 0 Pend A sv ed po cee ees 1459
C. R. SMITH, R. H. Pope, D. J. DEMASTER, and L. MAGAARD: Age-dependent mixing of deep-sea sediments ........... 1473
J. G. RYAN and C. H. LANGMUIR: The systematics of boron abundances in young volcanic rocks ..................... 1489
A. M. MULLIS: Determination of the rate-limiting mechanism for quartz pressure dissolution ........................ 1499
G. B. AREHART, C. S. ELDRIDGE, S. L. CHRYSSOULIS, and S. E. KESLER: Ion microprobe determination of sulfur isotope
variations in iron sulfides from the Post/Betze sediment-hosted disseminated gold deposit, Nevada, USA ............. 1505
A. J. BREARLEY: Matrix and fine-grained rims in the unequilibrated CO3 chondrite, ALHA77307: Origins and evidence for
Sal OS a ee ea sn OP wa TE Ae Wieck a GA wad a Hace e's Hp we 1521
K. L. THOMAS, G. E. BLANFORD, L. P. KELLER, W. KLOCK, and D. S. MCKAy: Carbon abundance and silicate mineralogy
ca tah Oe Wes Hae ig ade 4 iG aE ece pe Oe wep k’ Week A be eR 1551
M. K. WEISBERG, M. PRINZ, R. N. CLAYTON, and T. K. MAYEDA: The CR (Renazzo-type) carbonaceous chondrite group
ee ne ae DN eet ae ae Sg AWE NASD FA CK be he Wad eoe eons Db eR) 1567
A. BISCHOFF, H. PALME, R. D. ASH, R. N. CLAYTON, L. SCHULTZ, U. HERPERS, D. STOFFLER, M. M. GRADY, C. T.
PILLINGER, B. SPETTEL, H. WEBER, T. GRUND, M. ENDREB, and D. WEBER: Paired Renazzo-type (CR) carbonaceous
Ee AV te Oa is, Ee oTv y ak 1 bd och NN Ae HBO Lb eae Ge dhe 0b 6 bob a SONS 8 Ow 1587
Scientific Comment
P. BEATTIE, M. DRAKE, J. JONES, W. LEEMAN, J. LONGHI, G. MCKAY, R. NIELSEN, H. PALME, D. SHAW, E. TAKAHASHI,
and B. WATSON: Terminology for trace-element partitioning ......c.cc c.cc c.cc. cec.e c.ent .cec.e ee.e .esen es 1605
Discussion: Geochemistry of cosmogenic *°C] in the saline lakes of East Africa
J.-CH. FONTES and J. N. ANDREWS: Comment on “The *°CI ages of the brines in the Magadi-Natron basin, East Africa” by
I ee a ee Nee ig iad we Ba ate Meath ood wh wid wh woe bh0 k es wearers 1607
A. KAUFMAN, M. MAGARITZ, M. PAUL, and C. HILLAIRE-MARCEL: Reply to Comment by J.-Ch. Fontes and J. N. Andrews
on “The *C] ages of brines in the Magadi-Natron basin, East Africa” 2.2.2.0... 0 ceceee e eee n 1613
A. KAUFMAN: Response to the Comment by J.-Ch. Fontes and J. N. Andrews on “The *°Cl ages of the brines in the Magadi-
De a ans oe hye oiler ea PS Wd ooo bi bee Reman O86 okw ee 1618
J.-CH. FONTES and J. N. ANDREWS: Response to the Reply by A. Kaufman et al. on “The *°Cl ages of the brines in the
eT A ge ale 5 7c 4 acglane AEP AP Rie 5 < Lda s 6 ae we ONE eV EO awe Oe waa oe 1618
Book Reviews
W. T. HOLSER: Paleoclimatology by T. J. Crowley and G. R. North ......000. cc.c ..ce.ce. e.e e.ee .enn a 1635
J. 1. DREVER: Progress in Hydrogeochemistry edited by G. Matthess etal. ...........20000 c.c0c0 00.00e0ee 1635
G. W. COLLINS II: The Fullness of Space: Nebulae, Stardust, and the Interstellar Medium by G. Wynn-Williams ......... 1636
B. FEGLEY JR.: Exploration of the Solar System by Infrared Remote Sensing by R. A. Haneletal. .................... 1636
M. F. HOCHELLA JR.: Chemistry of the Solid-Water Interface: Processes at the Mineral-Water and Particle-Water Interface
in Natural Systems by W. Stumm ‘tare a ScaleN ee WARS She Ce Lickhe tae so OE OS 6k Oh awed &ee e hoe oo ka wee leat 1637
Y. TARDY: Chimie Des Milieux Aquatiques. Chimie Des Eaux Naturelles et Des Interfaces Dans L’Environment by
et PEE "6G Go 11S la su 94 hb 0 aT Certara Wala EA vce Sha'e 0 OA ee eee Mk drcs ON at BAe oo evel ccs Vane 1638
Announcements
ee Pe a rs Tee Se Lar oe ee ee a a eR 1639
G. H. Curtis: Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology ............ 1640
en eI On OI a ld a ding ode ac a tk ad eile phe kB wea bad pete a De liwele cw es 1641
April (Vol. 57, No. 8)
Volume 57 Number 8 April 1993
Letters
L. P. F. CHIBANTE and D. HEYMANN: On the geochemistry of fullerenes: Stability of C¢o in ambient air and the role of ozone 1879
E. L. SIKES and J. K. VOLKMAN: Calibration of alkenone unsaturation ratios (U4,) for palaeotemperature estimation in cold
polar waters Bf dig a be tha eke CS aa weC R ae OBE eae bee Lhe biased hae see a et ee 1883
Articles
C.-C. LIN and P. SHEN: Role of screw axes in dissolution of willemite ...............0.0 000.00. es 1649
A. ANDERKO and K. S. PITZER: Equation-of-state representation of phase equilibria and volumetric properties of the system
I SE ig al uha y pngech gtray pg uck wide ele Warped Meare ir ace o bickedd Fate eek Ve ORE eee ua aes Pete Ce 1657
H. ZHANG, P. R. BLOOM, and E. A. NATER: Change in surface area and dissolution rates during hornblende dissolution at
EME alae cg Mechin Se AO ee ea OE 6 AE BOTS Et CT ee PE CE aR Ce ee an hte tes 1681
T. MATSUNAGA, G. KARAMETAXAS, H. R. VON GUNTEN, and P. C. LICHTNER: Redox chemistry of iron and manganese
minerals in river-recharged aquifers: A model interpretation of a column experiment .............0..00.00.0. .ue s 1691
J.-Z. ZHANG and F. J. MILLERO: The products from the oxidation of HS in seawater ............ 0.000000. 1705
F. T. KYTE, M. LEINEN, G. R. HEATH, and L. ZHOU: Cenozoic sedimentation history of the central North Pacific: Inferences
Se es nr os nc bce cow ub ape se wave nad Cuba obs een aabehs ewe tenern 1719
S. CHAKRABORTY, D. B. DINGWELL, and M. CHAUSSIDON: Chemical diffusivity of boron in melts of haplogranitic composition 1741
D. SYKES, B. T. POE, P. F.M CMILLAN, R. W. LUTH, and R. K. SATO: A spectroscopic investigation of anhydrous KAISi;Og
es eo ees kc gad ob ced CON SWEAT EET ENE Le cae One ek ie een pao 1753
G. HARTMANN and K. H. WEDEPOHL: The composition of peridotite tectonites from the Ivrea Complex, northern Italy:
Residues from melt extraction 1761
L. MORAWSKA and C. R. PHILLIPS: Dependence of the radon emanation coefficient on radium distribution and internal
structure of the material PAI sdk a a Ua eter ik bea tk atch Ok aXe Mc al PLE Rie RR oe AA be ek AR Ae pee ee ad 1783
A. BECHTEL and S. HOERNES: Stable isotopic variations of clay minerals: A key to the understanding of Kupferschiefer-type
BE Re ee Se a ae Oe. Le a eM UR em L/S rua a Bre Rr eg Pea 1799
J. T. CHESLEY, A. N. HALLIDAY, L. W. SNEE, K. MEZGER, T. J. SHEPHERD, and R. C. SCRIVENER: Thermochronology of
the Cornubian batholith in southwest England: Implications for pluton emplacement and protracted hydrothermal
nr Pe at at oe ee a eb ade aad FAs SOC Aa Coe ed ee el ee Pa 1817
S. TURNER, J. FODEN, M. SANDIFORD, and D. BRUCE: Sm-Nd isotopic evidence for the provenance of sediments from the
Adelaide Fold Belt and southeastern Australia with implications for episodic crustal addition ...................... 1837
Y. MiuRA, K. NAGAO, and T. FUJITANI: ®'Kr terrestrial ages and grouping of Yamato eucrites based on noble gas and chemical
compositions
J. T. WASSON, A. E. RUBIN, and G. W. KALLEMEYN: Reduction during metamorphism of four ordinary chondrites ...... 1867
Awards of the Geochemical Society
V. M. Goldschmidt Medal and Lester W. Strock and Family Honorarium 1891
F. W. Clarke Award 1895
Papers to Appear in Forthcoming Issues 1899
May (Vol. 57, No. 9)
Volume 57 Number 9 May 1993
Letter
R. F. CHEN, J. L. BADA, and Y. SUZUKI: The relationship between dissolved organic carbon (DOC) and fluorescence in anoxic
marine porewaters: Implications for estimating benthic DOC fluxes ............0.00.00 00000 eee ee 2149
Articles
W. E. SEYFRIED JR. and K. DING: The effect of redox on the relative solubilities of copper and iron in Cl-bearing aqueous
fluids at elevated temperatures and pressures: An experimental study with application to subseafloor hydrothermal
ts el eg re ee aa de be eae y so du dP OSE AS-d 6 004 ach rules Khe Rei wR 1905
J. D. RIMSTIDT and W. D. NEwWCOMB: Measurement and analysis of rate data: The rate of reaction of ferric iron with pyrite 1919
J. A. TOSSELL and D. J. VAUGHAN: Bisulfide complexes of zinc and cadmium in aqueous solution: Calculation of structure,
stability, vibrational, and NMR spectra, and of speciation on sulfide mineral surfaces .........................005. 1935
ZHIXIN XIE and J. V. WALTHER: Quartz solubilities in NaCl solutions with and without wollastonite at elevated temperatures
Repel a e eL e ke Ga Ps Sek ihe ae el eles a asa 4 W acne ban alk wll abi o:K et wad we tk ekg Bik 1947
C. J. BERTRAM and H. ELDERFIELD: The geochemical balance of the rare earth elements and neodymium isotopes in the
a SS re ase CE ities gtk as Oe Gils © na Se we A We bea w AE w RN Fe eee ae: hoe 6 Ueber Se 1957
LIYUAN LIANG, J. F. MCCARTHY, L. W. JOLLEY, J. A.M CNABB, and T. L. MEHLHORN: Iron dynamics: Transformation of
Fe(II)/Fe(IIl) during injection of natural organic matter in a sandy aquifer .................c0c.c0 .0c.ec0e0 0ue e 1987
G. E. BRUGMANN, A. J. NALDRETT, M. ASIF, P. C. LIGHTFOOT, N. S. GORBACHEV, and V. A. FEDORENKO: Siderophile and
chalcophile metals as tracers of the evolution of the Siberian Trap in the Noril’sk region, Russia .................... 2001
F. M. RICHTER: A method for determining activity-composition relations using chemical diffusion in silicate melts ....... 2019
Y. A. LITVIN and T. GASPARIK: Melting of jadeite to 16.5 GPa and melting relations on the enstatite-jadeite join ........ 2033
R. PREGO: General aspects of carbon biogeochemistry in the ria of Vigo, northwestern Spain ......................... 2041
J-P. L. A. GATELLIER, J. W. DE LEEUW, J. S. SINNINGHE DAMSTE, S. DERENNE, C. LARGEAU, and P. METZGER: A comparative
study of macromolecular substances of a Coorongite and cell walls of the extant alga Botryococcus braunii ............ 2053
L. BOLOGNESI and F. D’AMORE: Isotopic variation of the hydrothermal system on Vulcano Island, Italy................ 2069
E. P. MOLDOVANYI, L. M. WALTER, and L. S. LAND: Strontium, boron, oxygen, and hydrogen isotope geochemistry of brines
from basal strata of the Gulf Coast sedimentary basin, USA .....0.000.00 .c.c.c0 00e0ee. ee0e e ee 2083
S. MATSUNAMI, K. NINAGAWA, S. NISHIMURA, N. KUBONO, I. YAMAMOTO, M. KOHATA, T. WADA, Y. YAMASHITA, J. LU,
D. W. G. SEARS, and H. NISHIMURA: Thermoluminescence and compositional zoning in the mesostasis of a Semarkona
group Al chondrule and new insights into the chondrule-forming process........00.00.0 .c.c .e.ce0 .e0ee0 ee0ee se 2101
D. BOGARD, L. NyQuisTt, H. TAKEDA, H. MorI, T. AOYAMA, B. BANSAL, H. WIESMANN, and C.-Y. SHIH: Antarctic polymict
eucrite Yamato 792769 and the cratering record on the HED parent body ................0 0.0.00... 2111
A. J. G. JUREWICZ, D. W. MITTLEFEHLDT, and J. H. JONES: Experimental partial melting of the Allende (CV) and Murchison
(CM) chondrites and the origin of asteroidal basalts