Economic Geology and the Bulletin of the Society of Economic Geologists 2005: Vol 100 Table of Contents

2005·2.7 MB·English

CONTENTS OF VOLUME 100
CONTENTS OF VOLUME 100
Number |
A Letter from the Editor Mark D. Hannington
Looking Back a Century to Volume 1, Number | Brian ]. Skinner
Geology and SHRIMP U-Pb Geochronology Fernando H. B. Tallarico,
of the Igarapé Bahia Deposit, Carajas Copper- Bernardino R. Figueiredo, David I. Groves,
Gold Belt, Brazil: An Archean (2.57 Ga) Natalie Kositcin, Neal] .M cNaughton,
Example of Iron-Oxide Cu-Au-(U-REE) Mineralization Ian R. Fletcher, and José L. Rego
U-Pb Zircon and Re-Os Isotope Geochronology of
Mineralized Ultramafic Intrusions and Associated Nickel L. ]. Hulbert, M. A. Hamilton,
Ores from the Thompson Nickel Belt, Manitoba, Canada M. F. Horan, and R. F. J. Scoates
Geology, Petrology, and Controls on PGE Mineralization
of the Southern Roby and Twilight Zones, J. G. Hinchey, K. H. Hattori,
Lac des Iles Mine, Canada and M. J. Lavigne
Ore-forming Processes in Irish-Type Carbonate-Hosted
Zn-Pb Deposits: Evidence from Mineralogy, Chemistry, J. J. Wilkinson, S. L. Eyre,
and Isotopic Composition of Sulfides at the Lisheen Mine and A. ]. Boyce
Response of Supergene Processes to Episodic Cenozoic Chan X. Quang,
Uplift, Pediment Erosion, and Ignimbrite Eruption in Alan H. Clark, James K. W. Lee,
the Porphyry Copper Province of Southern Pert and Nicholas Hawkes
Mineralogical and Stable Isotope Studies of Kaolin
Deposits: Shallow Epithermal Systems of Western R. Simeone, J. H. Dilles,
Sardinia, Italy G. Padalino, and M. Palomba
Alunite in the Pascua-Lama High-Sulfidation Deposit: C. L. Deyell, R. Leonardson,
Constraints on Alteration and Ore Deposition R. O. Rye, J. FH. Thompson,
Using Stable Isotope Geochemistry T. Bissig, and D. R. Cooke
Scientific Communications
An Intrusive Origin for the Komatiitic Dunite-hosted
Mt. Keith Disseminated Nickel Sulfide Deposit, N. M. Rosengren, S. W. Beresford,
Western Australia B. A. Grguric, and R. A. F. Cas
Hydrous Sulfide Melting: Experimental Evidence for Jeremy L. Wykes and
the Solubility of H2O in Sulfide Melts John A. Mavrogenes
The Kakopetros and Ravdoucha Iron-Oxide Deposits,
Western Crete, Greece: Fluid Transport and Markus Seidel, Andreas Pack,
Mineralization within a Detachment Zone Zachary D. Sharp, and Eberhard Seidel
Discussions
The Ridgeway Gold-Copper Deposit: A High-Grade
Alkalic Porphyry Deposit in the Lachlan Fold Belt,
New South Wales, Australia—A Discussion Raymond E. Smith
The Ridgeway Gold- -Copper Deposit: A High-Grade
Alkalic Porphyry Deposit in the Lachlan Fold Belt, AlanJ . Wilson, David R. Cooke,
New South Wales, Australia—A Reply and Benjamin L. Harper
Reviews
Geochemistry of Non-Traditional Stable Isotopes.
Reviews in Mineralogy and Geochemistry. Volume 55
(C. M. Johnson, B. L. Beard, and F. Albaréde, eds.) Craig A. Johnson
Geochemistry of Sediments and Sedimentary Rocks:
E volutionary Considerations to Mineral Deposit Environments.
Geological Association of Canada. GeoText 4 (D. R. Lentz, ed.) Jorge M. R. S. Relvas
iv CONTEOFN VTOLSUME 100
Volcanism (H.-U. Schmincke) Colin Wilson 18]
Erratum 183
Interesting Papers in Other Journals 185
Instructions to Authors, 2005 195
Number
A Series of 100 Anniversary Papers
in Economic Geology Stephen E. Kesler and Mark D. Hannington 201
100% Anniversary Special Paper: Secular Changes David I. Groves,:Kent C. Condie,
in Global Tectonic Processes and Their Influence Richard] . Goldfarb,
on the Temporal Distribution of Gold-Bearing Jonathan M. A. Hronsky,
Mineral Deposits and Richard M. Vielreicher 203
U-Pb Zircon Ages and Pb Isotope Geochemistry of R. A. Ayuso,J .L . Wooden, N. K. Foley,
Gold Deposits in the Carolina Slate Belt of South Carolina R. R. Seal, II, and A. K. Sinha bob ou t
Age of the Pueblo Viejo Gold-Silver Deposit and Its Stephen E. Kesler, lan H. Campbell,
Significance to Models for High-Sulfidation Christopher N. Smith, Chris M. Hall,
Epithermal Mineralization and Charlotte M. Allen bo|1 ) wy)
Short-Wavelength Infrared Spectral Characteristics of
the HW Horizon: Implications for Exploration in the
Myra Falls Volcanic-Hosted Massive Sulfide Camp, Sarah Jones, Walter Hermann,
Vancouver Island, British Columbia, Canada andJ . Bruce Gemmell bo= ~]W w
Paleomagnetism of Late Paleozoic Strata and D. T. A. Symons, S. J. Pannalal,
Mineralization in the Tri-State Lead-Zinc Ore District R. M. Coveney, Jr, and D. F. Sangster 295
Self-Destructive Sulfide Segregation Systems and the
Formation of High-Grade Magmatic Ore Deposits Andrew Kerr and Alison M. Leitch
The Distribution of Base Metals and Platinum-Group
Elements in Magnetitite and Its Host Rocks in the ]. H. S. Sd, S-]. Barnes,
Rio Jacaré Intrusion, Northeastern Brazil H. M. Prichard, and P. C. Fisher WwW wWW w
Late Archean Lake Harris Komatiite, Central Dean M. Hoatson, Shen-Su Sun,
Gawler Craton, South Australia: Geologic Setting Morris B. Duggan, Marc B. Davies,
and Geochemistry Sue] .D aly, and Alan C. Purvis 349
Scientific Communications
Repetition of the Mount Morgan Stratigraphy and
Mineralization in the Dee Range, Northeastern Alex Taube, Ruth Mawson,
Australia: Implications for Exploration and John A. Talent
Possible Intrusion-Related Gold Systems in the
Western Lachlan Orogen, Southeast Australia F. P. Bierlein and S. McKnight
Reviews
Intra-Oceanic Subduction Systems: Tectonic and
Magmatic Processes (R. D. Larter and P. T. Leat, eds.) Steve L. Garwin 399
Metallogeny of the Pacific Northwest (Russian Far East):
Tectonics, Magmatism and Metallogeny of Active
Continental Margins (A. I. Khanchuk, G. A. Gonevchuk,
and R. Seltmann, eds.) Craig Hart 400
Metallogeny of the Pacific Northwest: Tectonics,
Magmatism and Metallogeny of Active Continental
Margins (A. I. Khanchuk, G. A. Gonevchuk, A. N. Mitrokhin,
L. F. Simanenko, N. J. Cook, and R. Seltmann, eds.) Craig Hart 400
CONTENTS OF VOLUME 100
Ore Textures. Volumes 1-5 (R. G. Taylor) Douglas R. Mason 40]
Books Received 403
Interesting Papers in Other Journals 405
Reviewers of Manuscripts 415
Erratum 417
Number 3
100th Anniversary Special Paper: On Hydrothermal ‘ Michael J. Russell, Allan J. Hall,
Convection Systems and the Emergence of Life Adrian J. Boyce, and Anthony E. Fallick 419
Siderophile and Chalcophile Metal Variations in
Flood Basalts from the Siberian Trap, Noril’sk Region: Peter C. Lightfoot
Implications for the Origin of the Ni-Cu-PGE Sulfide Ores and Reid R. Keays 439
Geology and Genesis of the Multistage Annick Chouinard, Anthony E. Williams-Jones,
High-Sulfidation Epithermal Pascua Robert W. Leonardson, C. Jay Hodgson, Pedro Silva,
Au-Ag-Cu Deposit, Chile and Argentina Carlos Téllez, Javier Vega, and Fernando Rojas 463
Porphyry Copper Deposit Density Donald A. Singer, Vladimir I. Berger.
W. David Menzie, and Byron R. Berger 49]
Clay Alteration Associated with Proterozoic
Unconformity-Type Uranium Deposits in the East Alligator D. Beaufort, P. Patrier, E. Laverret,
Rivers Uranium Field, Northern Territory, Australia P. Bruneton, andJ .M ondy Ut — ul
Uranium Deposits of the Mount Isa Region and
Their Relationship to Deformation, Metamorphism, Melissa J]. Gregory, Andy R. Wilde,
and Copper Deposition and Peter A. Jones
Numerical Heat and Fluid-Flow Modeling of the
Panorama Volcanic-Hosted Massive Sulfide District, Christian Schardt, Jianwen Yeng,
Western Australia and Ross Large 547
Scientific Communications
Relative and Absolute Timing of Gold Mineralization
along the Meliadine Trend, Nunavut, Canada:
Evidence for Paleoproterozoic Gold Hosted in an Robert L. Carpenter, Norman A. Duke,
Archean Greenstone Belt Hamish A. Sandeman, and Richard Stern
Structural Controls on the Archean Troilus S. Goodman, A. E. Williams-Jones,
Gold-Copper Deposit, Quebec, Canada and P. Carles
Zinc Isotope Variation in Hydrothermal Systems: J. J. Wilkinson, D. ]. Weiss,
Preliminary Evidence from the Irish Midlands Ore Field T. F. D. Mason, and B. ]. Coles
Discussions
Formation of a Paleothermal Anomaly and Disseminated
Gold Deposits Associated with the Bingham Canyon
Porphyry Cu-Au-Mo System, Utah—A Discussion Ricardo D. Presnell and W. T. Parry 591
Formation of a Paleothermal Anomaly and Charles G. Cunningham, Gerry W. Austin,
Disseminated Gold Deposits Associated with Charles W. Naeser, Robert O. Rye,
the Bingham Canyon Porphyry Cu-Au-Mo Geoffrey H. Ballantyne, Robert G. Stamm,
System, Utah—A Reply and Charles E. Barker. 594
Reviews
Sediment-Hosted Lead-Zinc Sulphide Deposits.
Attributes and Models of Some Major Deposits in India,
Australia and Canada (M. Deb and W. D. Goodfellow) Duncan Large 597
vl CONTENTS OF VOLUME 100
Flow Processes in Faults and Shear Zones,
Geological Society Special Publication 224 (G.I. Alsop,
R.E. Holdsworth, K.J.W. McCaffrey, and M. Hand, eds.) Nick Oliver 598
The Geology and Mineral Resources of
Mozambique (Siegfried Lachelt) Klaus ]. Schulz 600
Interesting Papers in Other Journals 603
Number 4
100th Anniversary Special Paper: Metal Concentrations
in Crustal Fluids and Their Relationship to Ore Formation Bruce W. D. Yardley 613
Geochronology of the Sequence Hosting the R. W. Page, B. P. ]. Stevens,
Broken Hill Pb-Zn-Ag Orebody, Australia and G. M. Gibson 633
Correlation of Olary and Broken Hill Domains,
Curnamona Province: Possible Relationship to R. W. Page, C. H. H. Conor,
Mount Isa and Other North Australian B. P. J. Stevens, G. M. Gibson,
Pb-Zn-Ag—Bearing Successions W. V. Preiss, and P. N. Southgate 663
Gold Concentrations in Springs at Waiotapu,
New Zealand: Implications for Precious Metal J. G. Pope, K. L. Brown,
Deposition in Geothermal Systems and D. M. McConchie 677
Undulatory Silver-Rich Polymetallic Veins of the
Castrovirreyna District, Central Peru: Fault Growth
and Mineralization in a Perturbed Local Stress Field James M. Wise 689
Primary Platinum Mineralization in the Nizhny Tagil
and Kachkanar Ultramafic Complexes, Urals, Russia: Thierry Augé, Antonin Genna,
A Genetic Model for PGE Concentration Olivier Legendre, Kirill S. Ivanov,
in Chromite-Rich Zones and Yuri A. Volchenko TO7
Na-Fe-Ca Alteration and LREE (Th-Nb) Marta Franchini, Rail Lira, Lawrence Meinert,
Mineralization in Marble and Granitoids of Francisco Javier Rios, Maria Fernanda Poklepovic,
Sierra de Sumampa, Santiago del Estero, Argentina Agnes Impiccini, and Hugo A. Millone 733
Scientific Communications
Refinements for Footwall Red-Bed Diagenesis
in the Sediment-Hosted Stratiform Copper Deposits Model Alex C. Brown 765
Sulfide Melt Inclusions as Evidence for the Existence HeatherA . Sparks
of a Sulfide Partial Melt at Broken Hill, Australia and John A. Mavrogenes 773
Partial Melting of the Assemblage Sphalerite +
Galena + Pyrrhotite + Chalcopyrite + Sulfur:
Implications for High-Grade Metamorphosed Gary Stevens, Sebastian Prinz,
Massive Sulfide Deposits and Abraham Rozendaal 78]
Reviews
Mid-Ocean Ridges: Hydrothermal Interactions
between the Lithosphere and Oceans
(C. R. German, J. Lin, and L. M. Parson, eds.) C. Tucker Barrie 787
Mineral Occurrences and Exploration Potential
of the North Kimberley (I. Ruddock) John Mair 788
Magmatic Sulfide Deposits. Geology, Geochemistry
and Exploration (A. J. Naldrett Mei-Fu Zhou 788
Interesting Papers in Other Journals ' 791
Erratum 799
CONTENTS OF VOLUME 100 Vii
Number 5
A Special Issue Devoted to the Giant, Porphyry-Related Mineral Deposits of
the Andean and PNG-Irian Jaya Fold Belts
David R. Cooke, Peter Hollings, and John L. Walshe, Guest Editors
Giant Porphyry Deposits: Characteristics, David R. Cooke, Peter Hollings,
Distribution, and Tectonic Controls and John L. Walshe SO]
The Role of Preexisting Geologic Architecture in the
Formation of Giant Porphyry-Related Cu + Au Deposits:
Examples from New Guinea and Chile P. A. Gow andJ . L. Walshe 819
Fluid Chemistry, Structural Setting, and Emplacement Glenton J. Masterman, David R. Cooke,
History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Ron F. Berry, John L. Walshe,
Epithermal Veins, Collahuasi District, Northern Chile Andrew W. Lee, and Alan H. Clark
Bajo de la Alumbrera Copper-Gold Deposit: Stable
Isotope Evidence for a Porphyry-Related Hydrothermal Anthony C. Harris,
System Dominated by Magmatic Aqueous Fluids Suzanne D. Golding, and NoelC . White 863
Regional Geochemistry of Tertiary Igneous Rocks in
Central Chile: Implications for the Geodynamic
Environment of Giant Porphyry Copper and Peter Hollings, David Cooke,
Epithermal Gold Mineralization and Alan Clark 887
Magmatic and Hydrothermal Chronology of the K. Deckart, A. H. Clark, C. Aguilar A.,
Giant Rio Blanco Porphyry Copper Deposit, Central Chile: R. Vargas R., A. Bertens, N.,
Implications of an Integrated U-Pb and *°Ar-*’ Ar Database J. K. Mortensen, and M. Fanning 905
Mineralogical and Isotopic Zonation in the Peter H. Frikken, David R. Cooke,
Sur-Sur Tourmaline Breccia, Rio Blanco- John L. Walshe, Doug Archibald,
Los Bronces Cu-Mo Deposit, Chile: Jorge Skarmeta, Luis Serrano,
Implications for Ore Genesis and Ricardo Vargas
Magmatic precursors of Hydrothermal Paul Davidson, Vadim Kamenetsky, David R. Cooke,
Fluids at the Rio Blanco Cu-Mo Deposit, Peter Frikken, Peter Hollings, Chris Ryan,
Chile: Links to Silicate Magmas and Esme Van Achterbergh, Terry Mernagh, Jorge Skarmeta,
Metal Transport Luis Serrano, and Ricardo Vargas 963
Geology, Mineralization, Alteration, and Structural James Cannell, David R. Cooke,
Evolution of El Teniente Porphyry Cu-Mo Deposit John L. Walshe, and Holly Stein 979
Ages of Intrusion, Alteration, and
Mineralization at the Grasberg Cu-Au
Deposit, Papua, Indonesia PeterJ . Pollard, Roger G. Taylor, and Lisa Peters 1005
Genesis of Pyrite-Au-As-Zn-Bi-Te Zones
Associated with Cu-Au Skarns: Evidence from
the Big Gossan and Wanagon Gold Deposits, Kylie Prendergast, Gavin W. Clarke,
Ertsberg District, Papua, Indonesia Norman ]. Pearson, and Keith Harris 1021
Reviews
Historic Overview of the Witwatersrand Goldfields (J.R.F. Handley) Hartwig Frimmel 1051
Volcanic Degassing, Geological Society Special Publication 213
(C. Oppenheimer, D. M. Pyle, and J. Barclay, eds.) Stuart Simmons 1052
Ophiolites in Earth History, Geological Society
Special Publication 218 (Y. Dilek and P. T. Robinson, eds.) Damon A.H. Teagle 1052
Books Received 1053
Interesting Papers in Other Journals 1055
vill CONTENTS OF VOLUME 100
Number 6
The Geomicrobiology of Ore Deposits G. Southam and James A. Saunders L067
Vigorous Exsolution of Volatiles in the Magma Chamber
beneath a Hydrothermal System on the Modern
Sea Floor of the Eastern Manus Back-Arc Basin,
Western Pacific: Evidence from Melt Inclusions Kaihui Yang and Steven D. Scott 1085
Evolution of a Submarine Magmatic- C. E. ]. de Ronde, M. D. Hannington, P. Stoffers,
Hydrothermal System: Brothers Volcano, I. C. Wright, R. G. Ditchburn, A. G. Reyes, E. T. Baker,
Southern Kermadec Arc, G. J. Massoth, ]. E. Lupton, S. L. Walker, R. R. Greene,
New Zealand C. W. R. Soong, J. Ishibashi, G. T. Lebon, C. J. Bray, andJ . A. Resing — 1097
Gold Enrichment and the Bi-Au Association in
Pyrrhotite-Rich Massive Sulfide Deposits,
Encanaba Trough, Southern Gorda Ridge Tuomo O. Térmédnen and Randolph A. Koski 1135
Mercury- and Silver-Rich Ferromanganese Oxides,
Southern California Borderland: Deposit Model James R. Hein, Andrea Koschinsky,
and Environmental Implications and Brandie R. McIntyre — 1151
Chalcophile Element Geochemistry and
Metallogenesis of Komatiitic Rocks in the R. A. Sproule, C. M. Lesher, M. G. Houle,
Abitibi Greenstone Belt, Canada R. R. Keays, ]. A. Ayer, and P. C. Thurston 1169
The Merensky Reef, Bushveld Complex: Charlie L. Seabrook, R. Grant Cawthorn,
Mixing of Minerals Not Mixing of Magmas and F. Johan Kruger — 1191
Emplacement of the Whistle Dike, the Whistle
Embayment and Hosted Sulfides, Sudbury Impact
Structure, Based on Anisotropies of Magnetic
Susceptibility and Magnetic Remanence Laura A. Giroux and Keith Benn — 1207
Rhenium-Osmium Geochronology of Arsenopyrite in
Meguma Group Gold Deposits, Meguma Terrane, Ryan M. Morelli, Robert A. Creaser,
Nova Scotia, Canada: Evidence for David Selby, Daniel ]. Kontak,
Multiple Gold-Mineralizing Events and RichardJ .H orne 1229
A Paragenetic and Isotopic Study of the Proterozoic
Westmoreland Uranium Deposits, Southern Paul A. Polito, T. Kurt Kyser,
McArthur Basin, Northern Territory, Australia Gerard Rheinberger, and Peter N. Southgate 1243
Reviews
Precambrian Ophiolites and Related Rocks,
Developments in Precambrian Geology 13 (T.M. Kusky, ed.) Alan Galley 1261
Ore Mineral Atlas (D. Marshall, C.D. Anglin, and H. Mumim) Daniel J. Kontak — 1262
Essentials of Medical Geology: Impacts of the
Natural Environment on Public Health (O. Selinus,
B. Alloway, J.A. Centeno, R.B. Finkelman, R. Fuge,
U. Lindh, and P. Smedley, eds.) Pat E. Rasmussen 1263
Interesting Papers in Other Journals 1265
SOCIETY OF ECONOMIC GEOLOGISTS |
2004 Awards and Medals: Penrose Gold Medal,
SEG Silver Medal, Waldemar Lindgren Award,
Marsden Award 1277
CONTENTS OF VOLUME 100
Number 7
100th Anniversary Special Paper:
Vapor Transport of Metals and the Formation of Anthony E. Williams-Jones
Magmatic-Hydrothermal Ore Deposits and Christoph A. Heinrich 1287
Environment of Ore Deposition in the Creede Mining
District, San Juan Mountains, Colorado: Part VI. Maximum Wayne R. Campbell
Duration for Mineralization of the OH Vein and Paul B. Barton 1313
The Environment of Vein Formation and
Ore Deposition in the Purisima-Colon Vein System,
Pachuca Real del Monte District, Hidalgo, Mexico John E. Dreier
Mineralogic and Stable Isotope Studies of Hydrothermal Edward M. Ripley,
Alteration at the Jinchuan Ni-Cu Deposit, China Arindam Sarkar, and Chusi Li
A Group of Papers Devoted to Archean Au and Ni in Western Australia
Geochronological and Stable Isotope Evidence for
Widespread Orogenic Gold Mineralization from a
Deep-Seated Fluid Source at ca. 2.65 Ga in the Brock P. Salier, David I. Groves,
Laverton Gold Province, Western Australia Neal ]. McNaughton, and Ian R. Fletcher 1363
Zircons, Dikes, and Gold Mineralization at M. S. Baggott, N. M. Vielreicher,
Jundee-Nimary: Post ca. 2.66 Ga Archean Lode D. I. Groves, N. J. McNaughton,
Gold in the Yandel Belt, Western Australia and M. Gebre-Mariam 1389
Kinematic History of the Boulder-Lefroy Shear
Zone System and Controls on Associated Gold R. F. Weinberg, P. Van der Borgh,
Mineralization, Yilgarn Craton, Western Australia R. ]. Bateman, and D. I. Groves 1407
The Age of the Giant Golden Mile Deposit, Kalgoorlie,
Western Australia: lon-Microprobe Zircon and
Monazite U-Pb Geochronology of a Neal ]. McNaughton,
Synmineralization Lamprophyre Dike Andreas G. Mueller, and David I. Groves 1427
Structural Setting and Shape Analysis of Nickel
Sulfide Shoots at the Kambalda Dome,
Western Australia: Implications for Deformation William E. Stone, Stephen W. Beresford,
and Remobilization and Nicholas J. Archibald 1441
Volcanological Controls on the Localization of the
Komatiite-Hosted Ni-Cu-(PGE) Coronet Deposit, Steve Beresford, William E. Stone,
Kambalda, Western Australia Ray Cas, Yann Lahaye, and Mary Jane 1457
Reviews
Mud and Mudstones: Introduction and Overview
(P. E. Potter, J. B. Maynard, and P. J. Depetris, eds.) Stuart Bull 1469
Hydrogeology of the Oceanic Lithosphere
(E. E. Davis and H. Elderfield, eds.). Colin Devey 1470
The Subseafloor Biosphere at Mid-Ocean Ridges
(W. S. D. Wilcock, E. F. Delong, D. S. Kelley,
J. A. Baross, and S. C. Cary, eds.) Sven Petersen 1471
Interesting Papers in Other Journals 1473
Erratum 1485
CONTENTS OF VOLUME 100
Number 8
Letter from the Editor Mark D. Hannington
100th Anniversary Special Paper: Sedimentary Mineral Deposits
and the Evolution of Earth’s Near-Surface Environments Heinrich D. Holland
Geochemistry of Jasper Beds from the Ordovician
Lgkken Ophiolite, Norway: Origin of Proximal and
Distal Siliceous Exhalites Tor Grenne and John F. Slack
Mixing of Sodic and Calcic Brines and Uranium
Deposition at McArthur River, Saskatchewan, Canada: Donatienne Derome, Michel Cathelineau,
A Raman and Laser-Induced Breakdown Michel Cuney, Cécile Fabre,
Spectroscopic Study of Fluid Inclusions Thérése Lhomme, and David A. Banks
Alteration Mineralogy and Stable Isotope
Geochemistry of Paleoproterozoic Basement-Hosted
Unconformity-Type Uranium Deposits in the P. Alexandre, K. Kyser, P. Polito,
Athabasca Basin, Canada and D. Thomas
Eclogitic and Ultrahigh-Pressure Crustal Garnets
and Their Relationship to Phanerozoic Subduction
Diamonds, Bingara Area, New England Fold Belt, B. Jane Barron, L. M. Barron,
Eastern Australia and G. Duncan
Intrusion-Hosted Mineralization in the Charters
Towers Goldfield, North Queensland: New Isotopic
and Fluid Inclusion Constraints on the Timing
and Origin of the Auriferous Veins Oliver P. Kreuzer
Laramide Porphyry Cu-Mo Mineralization in Fernando Barra, Joaquin Ruiz,
Northern Mexico: Age Constraints from Re-Os Victor A. Valencia, Lucas Ochoa-Landin,
Geochronology in Molybdenite John T. Chesley, and Lukas Zurcher 1605
Character of the UG2 Chromitite and Host Rocks and
Petrogenesis of Its Pegmatoidal Footwall,
Northeastern Bushveld Complex E. A. Matthez andJ ]. L. Mey
Scientific Communications
Quantitative Mass Balance of Platinum Group
Elements in the Kelly Lake Ni-Cu-PGE Deposit, M. A. E. Huminicki, P. J. Sylvester,
Copper Cliff Offset, Sudbury L. ]. Cabri, C. M. Lesher, and M. Tubrett
Duration of Magmatic, Hydrothermal, and C. M. Rice, G. B. Steele, D. Barfod,
Supergene Activity at Cerro Rico de Potosi, Bolivia A. J. Boyce, and M. S. Pringle
Express Letters
Uranium in Iron Oxide-Copper-Gold (IOCG) Systems Murray W. Hitzman and Rick K. Valenta
Reviews
Exploration for Platinum-Group Element Deposits
(J. E. Mungall, ed.) Steve Barnes 1663
Infrared Spectroscopy in Geochemistry, Exploration
Geochemistry, and Remote Sensing
(P. King, M. Ramsey, and G. Swayze, eds. Thomas Cudahy — 1663
Altered Volcanic Rocks; A Guide to Description and
Interpretation (C. Gifkins, W. Herrmann, and R. Large) AnneJ . B. Thompson 1664
Interesting Papers in Other Journals 1667
Index, Volume 100 1675
Reviewers of Books 1704
Contents, Volume 100 ili