| The EARTHTIME project is an international effort with the focus of improving the calibration of earth history. We currently have more than 200 members from 30 countries. The success of EARTHTIME is dependent on the participation of a broad group of scientists from different fields and perspectives. If you want to be more involved please email Sam Bowring. Possible activities might include: 1) starting a working group focused on one interval of time; 2) organizing a theme session at a national or international meeting; 3) prepare and distribute a mineral standard for Ar-Ar and/or U-Pb geochronology; 4) contribute outreach materials to the website; 5) offer to host students who are interested in learning more about what you do.
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ArgentinaRicardo Melchor | Universidad de La Pampa AustraliaSteve Abbott | Southern Cross University Richard Armstrong | The Australian National University Vickie Bennett | The Australian National University Kenneth Collerson | University of Queensland Tony Dare-Edwards | Charles Stuart University Mark Fanning | Australian National University Geoff Fraser | Geoscience Australia Dirk Hos | International Stratigraphic Consultants Pty Ltd Bozana Krsteska | Geoscience Australia Marc Norman | Australian National University David Phillips | The University of Melbourne Keith Sircombe | Geoscience Australia Richard Stern | Geoscience Australia Jon Woodhead | University of Melbourne AustriaUrs S. Kloetzli | University of Vienna BrazilFarid Chemale Junior | Rio Grande do Sul University BulgariaJulia Statelova | Sofia University CanadaYuri Amelin | Geological Survey of Canada Bill Davis | Geological Survey of Canada Donald Davis | University of Toronto Claude Dion | Government of Quebec Greg Dunning |Memorial U. of Newfoundland Bruce Eglington | University of Saskatchewan Richard Friedman | University of British Columbia John Hanchar | Memorial University of Newfoundland Hans Hofmann | McGill University Sandra Kamo | University of Toronto Marc Laflamme | Queen's University James Mortensen | University of British Columbia Guy Narbonne | Queen's University Guy Plint | University Western Ontario Rob Rainbird | Geological Survey of Canada Aditya Tyagi | Univ of Western Ontario Tom Ullrich | University of British Columbia Mike Villeneuve | Geological Survey of Canada ChileAlfredo Bertens | Codelco-Chile Carlos Perez de Are | SERNAGEOMIN ChinaFukun Chen | Chinese Academy of Sciences H. E. Huaiyu | Chinese Academy of Sciences Yugan Jin | Chinese Academy of Sciences Zhu Maoyan | Nanjing Institute Fei Wang | Chinese Academy of Sciences Liekun Yang | Chinese Academy of Sciences Xingliang Zhang | Northwest University ColumbiaPolar | Rojas-Linero EnglandBruce Chandler | The Open University Daniel Condon | British Geological Survey Quentin Crowley | British Geological Survey Andy Gale | University of Greenwich Matt Horstwood | British Geological Survey Joe Martin | University of Manchester Stephen Noble | British Geological Survey Randy Parrish | British Geological Survey Marc K. Reichow | University of Leicester Dr Craig Storey | The Open University FranceAgrinier | IPGP Pierre Deschamps | C. national de la rech. scientifique Sebastien Nomade | C. national de la rech. scientifique Gilles Ruffet | C. national de la rech. scientifique GermanyHayfaa Abdul Aziz | LMU Geophysics Valerian Bachtadse | Munich University Anke Friedrich | University of Hannover Konrad Hammerschmidt | Freie Universitat Berlin Bernd Kaufmann | Universitat Tubingen Urs S. Kloetzli | University of Vienna Andreas Muller | University of Potsdam Rolf L. Romer | GeoForschungsZentrum Potsdam Graham Shields | Westfalische-Wilhelms Universitat Martin Jan Timmerman | University of Potsdam HungaryJozsef Palfy | Hungarian Academy of Sciences IndiaBhasakr Rao Y. J. | National Geophysical Research Inst. Ravi Bhushan | Physical Research Laboratory Sreenivas Bulusu | National Geophysical Research Inst. Jyotiranjan Ray | Physical Research Laboratory J. R. Trivedi | Physical Research Laboratory Santosh Kumar Rai | Physical Research Laboratory R. Rengarajan | Physical Research Laboratory ItalyMarinella Laurenzi | CNR Gianolla Piero | Ferrara University MexicoLuigi Solari | Ciudad Universitaria Alexander Iriondo | Universidad Nacional AutÑnoma de M³xico NamibiaKarl Heinz Hoffmann | Geological Survey of Nambia NetherlandsKlaudia Kuiper | University of Utrecht Oliver Nebel | Vrije University New ZealandMike Palin | University of Otago Andy Tulloch | Geological & Nuclear Sciences NorwayBernard Bingen | Geological Survey of Norway Felix Gradstein | University of Oslo Bart Hendriks | Geological Survey of Norway Jan Kosler | University of Bergen Victor Melezhik | Geological Survey of Norway RomaniaEugen Gradinaru | University of Bucharest Russian FederationDima Grazhdankin | Paleontological Institute Alexei Ivanov | Institute of the EarthÍs Crust |
ScotlandDan Barfod | Scottish Univ. Environmental Res. Centre Richard A Batchelor | University of St Andrews Kathleen Keefe | Scottish Univ. Environmental Res. Centre Tony Prave | St. Andrews University Ruth Robinson | St. Andrews University SloveniaKatja | KriÚman South AfricaAndrew Duncan | University of Cape Town Maarten de wit | University of Cape Town SpainJavier Fernandez-Suarez | University of Madrid Jose Gil Ibarguchi | Universidad del Pais Vasco Juan Gomez-Barreiro | Universidad de Salamanca Sren Jensen | Universidad de Extremadura Teodoro Palacios | Universidad de Extremadura Pablo Valverde-Vaquero | IGME Jose Santos Zalduegui | University of the Basque Country SwedenCajsa Lisa Anderson | Evolutionary Biology Centre Henning Lorenz | Uppsala University Nina Rantakokko | University of Stockholm Ulf Suderlund | GeoBiosphere Science Centre SwitzerlandSvetoslav Georgiev | Swiss Federal Institute of Technology Albrecht von Quadt | Swiss Federal Institute of Technology Urs Schaltegger | University of Geneva TurkeySerhat Koeksal | Middle East Technical University United StatesJohn Alroy | University of California Eric Anderson | University of Oklahoma Tony Appelhans | Idaho National Laboratory Suzanne L. Baldwin | Syracuse University Richard Barclay | Northwestern University Hoffmann Barfod | University of California Rodey Batiza | National Science Foundation David Bottjer | University of Southern California Jim Bowring | Georgia Institute of Technology Sam Bowring | Massachusetts Institute of Technology Bjorn Brooks | Massachusetts Institute of Technology James Brownell | Cal State Fresno John Burke | Streator High School Pedro Castiøeiras | US Geological Survey Cinzia Cervato | Iowa State University Kevin Chamberlain | University of Wyoming Michael Cheatham | Syracuse University William Clyde | University of New Hampshire James Connelly | University of Texas Cathy Constable | Scripps Inst. of Oceanography Jennifer Cole | Lamont-Doherty Earth Observatory Drew Coleman | University of North Carolina Jim Crowley | Massachusetts Institute of Technology Jesse Dann | Boston University Frank Dudas | Massachusetts Institute of Technology Linda Elkins-Tanton | Brown University Douglas Erwin | National Museum of Natural History Stanley Finney | California State University Robert J. Fleck | U.S. Geological Survey Rebecca Flowers | University of California Breton Frazer | Massachusetts Institute of Technology Philip D. Gingerich | University of Michigan John Grotzinger | California Institute of Technology Bill Hames | Auburn University Stephen Harlan | National Science Foundation Paul Harnik | University of Chicago Matthew Heizler | New Mexico Institute of Technology Sidney Hemming | Lamont-Doherty Earth Observatory Ann Heatherington | University of Florida Robert Hildebrand | Utah State University Linda Hinnov | Johns Hopkins University Kip Hodges | Arizona State University Paul Hoffman | Harvard University Jeremy | University of California Todd Housh | The University of Texas Brian Huber | Smithsonian Museum of Natural History Warren Huff | University of Cincinnati Bruce Idleman | Lehigh University Clark Isachsen | University of Arizona Kirk Johnson | Denver Museum of Nature & Science Fred Jourdan | University of California Joe Kirschvink | California Institute of Technology Paul Koch | University of California Anthony Koppers | Scripps Institution of Oceanography Michael Kunk | U.S. Geological Survey David Lambert | National Science Foundation Christopher Klug | Bowling Green State Andrew H. Knoll | Harvard University Richard Lane | National Science Foundation Thomas Lapen | University of Houston Britt Leatham | California State University Bob Levin | Levin Fossil Collection Stacy Loewy | University of North Carolina James F. Luhr | Smithsonian Institution Zhe-Xi Luo | Carnegie Museum of Natural History R.H. Macdonald | William and Mary College Malka Machlus | Lamont-Doherty Earth Observatory Daniel MacPhee | Massachusetts Institute of Technology Brian Marshall | U.S. Geological Survey Mark W. Martin | Shell James Mattinson | University of California Jennnifer Matzel | University of California David McCormick | Shlumberger Noah McLean | Massachusetts Institute of Technology Arnie Miller | University of Cincinnati Brent Miller | Texas A&M Robert Miller | San Jose State University Kyoungwon Min | Yale University Ross Mitchell | Carleton College David Mohrig | Massachusetts Institute of Technology Isabel Montaøez | University of California Paul Mueller | University of Florida Roland Mundil | University of California Samuel Mukasa | University of Michigan Adina Paytan | Stanford University Lisa Peters | NM Institute of Mining and Technology Shanan Peters | University of Michigan Kevin J Peterson |Dartmouth College Richard Phillips | University of California Susannah Porter | University of California Matthew Powell | Washington and Lee University Malcolm S Pringle | Massachusetts Institute of Technology Ignacio Pujana | University of Texas Jahandar Ramezani | Massachusetts Institute of Technology Troy Rasbury | State University of New York Paul Renne | University of California Matthew Rioux | University of California Daniel Rothman | Massachusetts Institute of Technology Peter Sadler | University of California David Sams | Schafer Laboratories Scott Samson | Syracuse University Mark Schmitz | Boise State University Blair Schoenen | Massachusetts Institute of Technology Bryan Sell | Syracuse University Justin Simon | University of California Brad Singer | University of Wisconsin Steve Singletary | University of Arizona Walter Snyder | Boise State University Lynn Soreghan | University of Oklahoma Holly Stein | Colorado State University Daniel Stockli | University of Kansas Gianna Sullivan | Denver Museum of NH Roger Summons | Massachusetts Institute of Technology Carl Swisher | Rutgers University Lisa Tauxe | University of California Victor Valencia | University of Arizona John Valley | University of Wisconsin Randall Van Schmus | University of Kansas Doug Walker | University of Kansas Pat Walsh | Massachusetts Institute of Technology Laura Webb | Syracuse University Benjamin Weiss | Massachusetts Institute of Technology Elisabeth Widom | Miami University Peter Wilf | Pennsylvania State University Heather Wilson | Yale University Scott Wing | Smithsonian Institution Francis D. Winslow III | Stony Brook University Shuhai Xiao | Virginia Polytechnic Institute Margaret M. Yacobucci | Bowling Green State University |

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