Further Characterisation of the 91500 Zircon Crystal

Geostandards and Geoanalytical Research - Tập 28 Số 1 - Trang 9-39 - 2004
Michael Wiedenbeck1, John M. Hanchar2, William H. Peck3, Paul J. Sylvester4, John W. Valley5, Martin J. Whitehouse6, Andreas Kronz7, Y. Morishita8, Lutz Nasdala9, Jens Fiebig10, I. A. Franchi11, Jean‐Pierre Girard12, R. C. Greenwood11, R. W. Hinton13, N. T. Kita8, Paul R.D. Mason14, M. D. Norman15,16, M. Ogasawara8, Philip M. Piccoli17, Dieter Rhede1, Hideto Satoh8, B. Schulz-Dobrick9, Øyvind Skår18, Michael J. Spicuzza5, Kentaro Terada19, A. G. Tindle20, S. Togashi8, Torsten Vennemann21,22, Xie Quan23,24, Yong‐Fei Zheng25
1Geoforschungszentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany
2Department of Earth and Environmental Sciences, The George Washington University, Washington, D.C. 20006, USA
3Department of Geology, Colgate University, 13 Oak Drive, Hamilton, NY 13346, USA
4Department of Earth Science, 240 Prince Philip Drive, Memorial University, St. John's, NF Al B 3X5, Canada
5Department of Geology and Geophysics, University of Wisconsin, 1215 W. Dayton St., Madison, Wl 53706, USA
6Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, Sweden
7Geowissenschaftliches Zentrum der Universitat Gottingen, Goldschmidt-Str. 1, D-37077 Gottingen, Germany
8Institute of Geoscience, Geological Survey of Japan, AIST, Central 7, Higashi 1–1–1, Tsukuba 305–8567, Japan
9Institut fur Geowissenschaften, Johannes Gutenberg Universitat, D-55099 Mainz, Germany
10Institut de Mineralogie et Geochimie, Universite de Lausanne, BFSH 2, 1015 Lausanne, Switzerland
11Planetary and Space Sciences Research Institute, Open University, Milton Keynes MK7 6AA, UK
12BRGM, 3, avenue C. Guillemin, B.P. 6009, 45060 Orleans cedex 2, France
13Department Geology and Geophysics, Univ. of Edinburgh, West Mains Road, Edinburgh EH9 3JW, UK
14Faculty of Earth Sciences, Utrecht University, Budapestlaan 4, 3584 CD Utrecht, The Netherlands
15Centre for Ore Deposit Research, University of Tasmania, Hobart, Tasmania 7001, Australia
16RSES Australian National University, Canberra, ACT 0200, Australia
17Department of Geology, University of Maryland - College Park, College Park, MD 20742–4211, USA
18Geological Survey of Norway, N-7491 Trondheim, Norway
19Department of Earth and Planetary Sciences, Hiroshima University, Higashi-Hiroshima 739–8526, Japan
20Department Earth Sciences, Open University, Milton Keynes, MK7 6AA, UK
21Institut de Mineralogie et Geochimie, Universite de Lausanne, CH-1015 Lausanne, Switzerland
22Institute for Mineralogy, University of Tubingen, WilhelmstraBe 56, D-72074 Tubingen, Germany
23Department of Geological Sciences, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada
24Water Quality Centre, Trent University, Peterborough, Ontario K9J 7B8, Canada
25Department of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, PR China

Tóm tắt

This paper reports the results from a second characterisation of the 91500 zircon, including data from electron probe microanalysis, laser ablation inductively coupled plasma‐mass spectrometry (LA‐ICP‐MS), secondary ion mass spectrometry (SIMS) and laser fluorination analyses. The focus of this initiative was to establish the suitability of this large single zircon crystal for calibrating in situ analyses of the rare earth elements and oxygen isotopes, as well as to provide working values for key geochemical systems. In addition to extensive testing of the chemical and structural homogeneity of this sample, the occurrence of banding in 91500 in both backscattered electron and cathodoluminescence images is described in detail. Blind intercomparison data reported by both LA‐ICP‐MS and SIMS laboratories indicate that only small systematic differences exist between the data sets provided by these two techniques. Furthermore, the use of NIST SRM 610 glass as the calibrant for SIMS analyses was found to introduce little or no systematic error into the results for zircon. Based on both laser fluorination and SIMS data, zircon 91500 seems to be very well suited for calibrating in situ oxygen isotopic analyses.

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Geostandards and Geoanalytical Research

Tập 28 Số 1

9-39

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