[C14 Logo]

Volume 31, Number 3, 1989

Contents

Foreword and Acknowledgments I
Participants III
I. Sample Preparation and Measurement Techniques
A. Sample Preparation
AMS Radiocarbon Dating of Bones at Arizona
  Austin Long, AT Wilson, RD Ernst, BH Gore and PE Hare 231
Fundamentals of Bone Degradation Chemistry: Collagen is Not "The Way"
  Richard Gillespie 239
A Semi-Automated Bone Pretreatment System and the Pretreatment of Older and Contaminated Samples
  IA Law and REM Hedges 247
Radon Elimination During Benzene Preparation for Radiocarbon Dating by Liquid Scintillation Spectrometry
  Darden Hood, Ronald Hatfield, Christopher Patrick, Jerry Stipp, Murry Tamers, Robert Leidl, Barbara Lyons, Henry Polach, Steve Robertson and Weijian Zhou 254
Benzene Purity in Radiocarbon Dating Samples
  Roy Switsur and John S Waterhouse 260
Fast 14C Sample Preparation of Organic Material
  Helmut Dörr, Bernd Kromer and Karl Otto Münnich 264
Examination of Freshwater Peat Pretreatment Methodology
  John B Williams 269
Preparation Techniques for Radiocarbon Dating of Potsherds
  Jacques Evin, Martine Gabasio and Jean-Claude Lefevre 276
B. Accelerator Mass Spectrometry
14C Dating With the Gif-sur-Yvette Tandetron Accelerator: Status Report and Study of Isotopic Fractionation in the Sputter Ion Source
  Maurice Arnold, Edouard Bard, Pierre Maurice Helene Valladas and JC Duplessy 284
Depth Profiles of Nitrogen and Chlorine in Pure Materials Through AMS of the Neutron Activation Products 14C and 36Cl
  David Elmore, TZ Hossain, HE Gove, TK Hemmick, PW Kubik, Songsheng Jiang, JP Lavine and ST Lee 292
Use of the CO2 Source in Radiocarbon Dating by AMS
  CR Bronk and REM Hedges 298
41Ca Concentrations in Modem Bone and Their Implications for Dating
  Roy Middleton, David Fink, Jeffrey Klein and Pankaj Sharma 305
Studies Towards a Method for Radiocalcium Dating of Bones
  Walter Kutschera, Irshad Ahmad, Pi Billquist, BG Glagola, Karen Furer, RC Pardo, Michael Paul, KE Rehm, Pi Slota, Jr, RE Taylor and IL Yntema 311
AMS of 41Ca Using the CaF3 Negative Ion
  Peter W Kubick and David Elmore 324
C. Liquid Scintillation and Gas Counters
Liquid Scintillation 14C Spectrometry: Errors and Assurances
  Henry Polach 327
Low Background Liquid Scintillation Counting Using an Active Sample Holder and Pulse Discrimination Electronics
  John E Noakes and Robert J Valenta 332
Study of Background Pulse Spectrum of an LSC System
  Sigurđur A Einarsson and Páll Theodórsson 342
Performance of the Packard 2000 CA/LL and 2250 CA/XL Liquid Scintillation Counters for 14C Dating
  GT Cook, DD Harkness and Robert Anderson 352
Radiocarbon Dating With the Quantulus in an Underground Counting Laboratory: Performance and Background Sources
  Robert M Kalin and Austin Long 359
A Beta Test Comparison Between the New Packard 2260 XL and the LKB Quantulus and 1219 SM: Low-Level Radiocarbon and Tritium Determinations
  Robert M Kalin 368
An Inexpensive Upgrade of Older Liquid Scintillation Equipment for Radiocarbon Dating
  David C Steinke and Robert M Kalin 374
Optimization of Liquid Scintillation Counting Conditions With Two Kinds of Vials and Detector Shields for Low-Activity Radiocarbon Measurements
  Gemma Rauret, JS Mestres and JF Garcia 380
New Possibilities for 14C Measurements by Liquid Scintillation Counting
  Ramon Aravena, Robert R Drimmie, Riffat Qureshi, Roger McNeely and Sandy Fabris 387
Liquid Scintillation Counting in the London Underground
  Sheridan Bowman 393
A Counter System for High-Precision 14C Dating
  Ede Hertelendi, Éva Csongor Laszlo Zaborszky Jozsef Molnar Janos Gal, Miklos Györffi and Sandor Nagy 399
D. International Comparison Study
Design and Preparation of Samples for the International Collaborative Study
  DD Harkness, GT Cook, BF Miller, EM Scott and MS Baxter 407
An Interim Progress Report on Stages 1 and 2 of the International Collaborative Program
  EM Scott, TC Aitchison, DD Harkness, MS Baxter and GT Cook 414
14CARE
  Henry Polach 422
II. Carbon Cycle In the Environment
A. Atmosphere
The Continental European Suess Effect
  Ingeborg Levin, Joachim Schuchard, Bernd Kromer and KO Münnich 431
Changes of Carbon Isotopes in Atmospheric CO2 of the Krakow Region in the Last Five Years
  Tadeusz Kuc 441
Microchemical and Molecular Dating
  LA Currie, TW Stafford, AE Sheffield, GA Klouda, SA Wise, RA Fletcher, DJ Donahue, AJT Jull and TW Linick 448
Variation of Concentration, 14C Activity and 13C/12C Ratios Of CO2 in Air Samples From Kitt Peak, Arizona
  SW Leavitt and Austin Long 464
The Atmospheric 13C Record as Derived From 56 Pinyon Trees at 14 Sites in the Southwestern United States
  SW Leavitt and Austin Long 469
Importance of Biospheric CO2 in a Subcanopy Atmosphere Deduced From 14C AMS Measurements
  PM Grootes, G W Farwell, FH Schmidt, DD Leach and Minze Stuiver 475
B. Oceanography
Changes in Ocean Ventilation Rates Over the Last 7000 Years Based on 14C Variations in the Atmosphere and Oceans
  T-H Peng 481
AMS 14C Study of Transient Events and of the Ventilation Rate of the Pacific Intermediate Water During the Last Deglaciation
  Jean-Claude Duplessy, Maurice Arnold, Edouard Bard, Anne Juillet Leclerc, Nejib Kallel and Laurent Labeyrie 493
Atmospheric CO2 Exchange With the Biosphere and the Ocean
  Roger Bergh and Reidar Nydal 503
Bomb 14C in the Indian Ocean Measured by Accelerator Mass Spectrometry: Oceanographic Implications
  Edouard Bard, Maurice Arnold, JR Toggweiler, Pierre Maurice and Jean-Claude Duplessy 510
Radiocarbon in Dissolved Organic and Inorganic Carbon From the Central North Pacific
  Ellen RM Druffel, Peter M Williams, Ken Robertson, Sheila Griffin, AJT Jull, Douglas Donahue, Lawrence Toolin and TW Linick 523
Sources of Carbon to Deep-Sea Corals
  Sheila Griffin and Ellen RM Druffel 533
14C Profiles in the Central Weddell Sea
  Peter Schlosser, Bernd Kromer, Reinhold Bayer and KO Münnich 544
Aridity in Equatorial Africa During the Last 225,000 Years: A Record of Opal Phytoliths/Freshwater Diatoms From the Zaire (Congo) Deep-Sea. Fan (Northeast Angola Basin)
  JHF Jansen, C Alderliesten, CM Houston, AFM de Jong, Klaas van der Borg and JM van Iperen 557
C. Ice Caps and Glaciers
Application of 14C AMS Dating to the Chronology of Holocene Glacier, Fluctuations in the High Arctic, With Special Reference to Leffert Glacier, Ellesmere Island, Canada
  Weston Blake, Jr 570
The Recovery and Dating of Carbon Dioxide in Polar Ice Cores
  AT Wilson and DJ Donahue 579
A 36Cl Profile in Greenland Ice from AD 1265 to 1865
  NJ Conard, HE Gove and David Elmore 585
D. Sediments and Secondary Carbonates
AMS 14C Dating on the Fossvogur Sediments, Iceland
  GJ Andersen, Jan Heinemeier, HL Nielsen, Niels Rud, MS Thomsen, Sigfús Johnsen, Árný Sveinbjörnsdóttir and Árni Hjartarson 592
Ultra-Small Carbon Samples and the Dating of Sediments
  JS Vogel, Madeleine Briskin, DE Nelson and JR Southon 601
Isotopic Fractionation of Oxygen and Carbon in Lime Mortar Under Natural Environmental Conditions
  Mark JY van Strydonck, Michel Dupas and Edward Kippens 610
Radiocarbon Dating of Travertine Deposits, Arbuckle Mountains, Oklahoma
  Dusan Srdoc, Henry Chafetz and Nancy Utech 619
E. Soil Science
Shifts in 14C Patterns of Soil Profiles Due to Bomb Carbon, Including Effects of Morphogenetic and Turbation Processes
  Hans-Wilhelm Scharpenseel and Peter Becker-Heidmann 627
The Influence of Afforestation on Upland Solis: The Use of "Bomb 14C" Enrichment as a Quantitative Tracer for Changes in Organic Status
  DD Harkness and AF Harrison 637
AMS 14C Measurements of Fractionated Soil Organic Matter: An Approach to Deciphering the Soil Carbon Cycle
  SE Trumbore, JS Vogel and JR Southon 644
Downward Movement of Soil Organic Matter and Its Influence on Trace Element Transport (210Pb, 137Pb) in the Soil
  Helmut Dörr and KO Münnich 655
14C Tephrochronology With Different Fractions of Paleosol Humic Matter at Procida Island, Italy
  Marisa Alessio, Lucia Allegri, Carlo Azzi, Gilberto Calderoni, Cesarina Cortesi, Salvatore Improta and Vincenzo Petrone 664
Carbon Isotope Dynamics in Some Tropical Soils
  Peter Becker-Heidmann and Hans-Wilhelm Scharpenseel 672
Evaluation of 14C Ages of Organic Fractions of Paleosols From Loess Paleosol Sequences Near Xian, China
  MI Head, Weijian Zhou and Mingfu Zhou 680
III. Global 14C Variations
A. Cosmogenic 14C and the Solar Cycle
Global Production and Decay of Radiocarbon
  Paul E Damon and Robert E Sternberg 697
Fine and Hyperfine Structure in the Spectrum of Secular Variations of Atmospheric 14C
  Paul E Damon, Songlin Cheng and Timothy W Linick 704
Spallogenic 14C in High-Altitude Rocks and in Antarctic Meteorites
  AJT Jull, DJ Donahue, TW Linick and GC Wilson 719
Possible Frequency Modulation Effects Singled Out by the Fourier Vector Amplitude in a 14C Yearly Series of Georgian Wines
  Elisabetta Pierazzo and Silvia Sartori 725
B. Anthropogenic 14C Variations
Recent 14C Activity in the Atmosphere, Clean Air and the Chernobyl Effect
  Ingrid U Olsson 740
14C in the Environment of Swiss Nuclear Installations
  Heinz Hugo Loosli and Hans Oeschger 747
14C Release in Various Chemical Forms With Gaseous Effluents From the Paks Nuclear Power Plant
  Ede Hertelendi, Gyorgy Uchrin and Peter Ormai 754
Accelerator-Measured 14C Activity in Tree Rings From the Vicinity of the First Atomic Bomb Test
  SW Leavitt and Austin Long 762
Tritium and 14C in Tree Rings of the Last Three Decades
  Kristóf Kozák, Bogomil Obelic and Nada Horvatincic 766
Anthropogenic 14C Variations in Atmospheric CO2 and Wines
  AA Burchuladze, Martin Chudy, IV Eristave, SV Pagava, Pavel Povinec, Alexander Sivo and GI Togonidze 771
Determination of 14C in Alcoholic Beverages
  Franz Schönhofer 777
Carbon Uptake in Aquatic Plants Deduced From Their Natural 13C and 14C Content
  Elena Marcenko, Dusan Srdoc, S Golubic, J Pezdic and MJ Head 785
C. Calibration of the Radiocarbon Time Scale
Atmospheric Radiocarbon at the End of the Last Glacial: An Estimate Based on AMS Radiocarbon Dates on Terrestrial Macrofossils From Lake Sediments
  Hugo Zbinden, Michael Andrée, Hans Oeschger, Brigitta Amman, André Lotter, Georges Bonani and Willy Wölfli 795
Calibration of Radiocarbon Ages by Computer
  Johannes van der Plicht and WG Mook 805
Histograms Obtained From Computerized Radiocarbon Age Calibration
  Minze Stuiver and Paula Reimer 817
Improvement of the Procedure for Probabilistic Calibration of Radiocarbon Dates
  Mieczyslaw F Pazdur and Danuta J Michczynska 824
Improved Precision Measurements and Natural Variations Around 10,000 Cal BP
  Tomasz Goslar and Mieczyslaw F Pazdur 833
A Cyclograrn Analysis of the Bratislava 14C Tree-Ring Record During the Last Century
  MR Attolini, Menotti Galli, Teresa Nanni and Pavel Povinec 839
A Comparison of Methods Used for the Calibration of Radiocarbon Dates
  TC Aitchison, Morven Leese, DJ Michczynska, WG Mook, RL Otlet, BS Ottaway, MF Pazdur, Johannes van der Plicht, PJ Reimer, SW Robinson, EM Scott, Minze Stuiver and Bernhard Weninger 846
IV. Applications
A. Hydrology
The Geochemistry and Evolution of Natural Organic Solutes in Groundwater
  Leonard Wassenaar, Ramon Aravena and Peter Fritz 865
The Role of 36Cl and 14C Measurements in Australian Groundwater Studies
  JR Bird, GE Calf, RF Davie, LK Fifield, TR Ophel, WR Evans, JR Kellett and MA Habermehl 877
Comparison of the 14C Activity of Groundwater and Recent Tufa From Karst Areas in Yugoslavia and Czechoslovakia
  Nada Horvatincic, Dusan Srdoc, Jan Silar and Hana Tvrdíková 884
Isotopic Investigation of the Surdulica Geothermal System
  Branislav Milovanovic, Svetislav Stankovic, Miomir Komatina, Munevera Hadzisehovic, Mladen Zupancic, Nada Miljevic, Rista Stepic and Bogomil Obelic 893
Environmental Isotope Study (14C, 13C, 18O, D, Noble Gases) on Deep Groundwater Circulation Systems in Hungary With Reference to Paleoclimate
  Martin Stute and Jozsef Deák 902
Groundwater Analysis of Environmental Carbon and Other Isotopes From the Jakarta Basin Aquifer, Indonesia
  MA Geyh and Bernd Söfner 919
14C Analyses of Groundwater From the Botucatu Aquifer System in Brazil
  Annkarin Amelia Kimmelman e Silva, Aldo da Cunha Rebouças and Maria Marlucia Freitas Santiago 926
Investigating Gas-Water-Rock Carbon Isotope Exchange in the Field
  Lorenz Eichinger 934
B. Geochronology and Paleoclimatology
Radiocarbon and Varve Chronologies of Annually Laminated Lake Sediments of Gosciaz Lake, Central Poland
  Tomasz Goslar, Anna Pazdur, Mieczyslaw F Pazdur and Adam Walanus 940
The Timing of the Post-Glacial Marine Invasion of Kau Bay, Halmahara, Indonesia
  DM Barmawidjaja, AFM de Jong, Klaas van der Borg, WA van der Kaars, WJM van der Linden and WJ Zachariasse 948
Radiocarbon Chronology and Magnetic Susceptibility Variation in Kumaori I Lakes Sediments
  Sheela Kusumgar DP Agrawal and Pankaj Sharma 957
C. Archaeology and Material Culture
Progress in Radiocarbon Dating the Shroud of Turin
  HE Gove 965
AMS and Radiometric Dating of an Etruscan Linen Book and Associated Mummy
  Rupert A Housley, Dusan Srdoc and Nada Horvatincic 970
A Critical Review of Radiocarbon Dating of a Norse Settlement at L'Anse Aux Meadows, Newfoundland, Canada
  Reidar Nydal 976
Dating of the Upper Pleistocene Lithic Industry of Sardinia
  G Klein Hofmeijer, C Alderliesten, Klaas van der Borg, CM Houston, AFM de Jong, F Martini, M Sauges, PY Sondaar and JA de Visser 986
Radiocarbon and Thermoluminescence Dating of Prehistoric Sites in Hungary and Yugoslavia
  Lazar Benkö Ferenc Horvath, Nada Horvatincic and Bogomil Obelic 992
Radiocarbon Dating of the Vucedol Culture Complex
  Aleksandar Durman and Bogomil Obelic 1003
Early English Boats
  Roy Switsur 1010
The Need for a Calibrated Radiocarbon Chronology of Near East Archaeology
  HJ Bruins and WG Mook 1019
Radiocarbon Dating of Ostrich Eggshells
  Jurgen C Freundlich, Rudolph Kuper, Peter Breunig and Hans-Georg Bertram 1030
First Direct AMS Dates on Early Maize From Tehuacán Mexico
  Austin Long, BF Benz, DJ Donahue, AJT Jull and LJ Toolin 1035
Complementary Use of Amino-Acid Epimerization and Radiocarbon Analysis for Dating of Mixed-Age Fossil Assemblages
  Glenn A Goodfriend 1041
Non-Age-Related Variations in Aspartic Acid Racemization in Bone From a Radiocarbon-Dated Late Holocene Archaeological Site
  RE Taylor, PJ Ennis, PJ Slota, Jr and LA Payen 1048
D. Radiocarbon Data Base
The Radiocarbon Data Base at Ruder Boskovic Institute Radiocarbon Laboratory
  Bogomil Obelic 1057
The Radiocarbon Data Base of Japan
  Kunio Omoto 1063
The International Radiocarbon Data Base: A Progress Report
  Renee Kra 1067
V. Workshops and Reports
Account of the Business Meeting at Dubrovnik, 24/6/88
  Willem G Mook 1077
Report on the Workshop on the International Collaborative Study
  EM Scott 1079
Report of the International Radiocarbon Database Workshop
  Renee Kra 1080