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Science 27 March 1998:
Vol. 279. no. 5359, pp. 2091 - 2094
DOI: 10.1126/science.279.5359.2091
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Reports

Formation of a Magmatic-Hydrothermal Ore Deposit: Insights with LA-ICP-MS Analysis of Fluid Inclusions

Andreas Audétat, * Detlef Günther, Christoph A. Heinrich

The physical and chemical mechanism of ore precipitation in the Yankee Lode tin deposit (Mole Granite, Australia) was quantified by direct trace-element microanalysis of fluid inclusions. Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) was used to measure element concentrations in a series of fluid inclusions representing the fluid before, during, and after the deposition of cassiterite (SnO2). Tin precipitation was driven by mixing of hot magmatic brine with cooler meteoric water. At the same time, a separate magmatic vapor phase selectively transported copper and boron into the liquid mixture.

Institute for Isotope Geology and Mineral Resources, ETH Zentrum NO, CH-8092 Zürich, Switzerland.
*   To whom correspondence should be addressed. E-mail: audetat{at}erdw.ethz.ch

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Evolution of Magmatic Vapor to Gold-Rich Epithermal Liquid: The Porphyry to Epithermal Transition at Nevados de Famatina, Northwest Argentina.
C. Pudack, W. E. Halter, C. A. Heinrich, and T. Pettke (2009)
Economic Geology 104, 449-477
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Special Paper: The Composition of Magmatic-Hydrothermal Fluids in Barren and Mineralized Intrusions.
A. Audetat, T. Pettke, C. A. Heinrich, and R. J. Bodnar (2008)
Economic Geology 103, 877-908
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Intensity of quartz cathodoluminescence and trace-element content in quartz from the porphyry copper deposit at Butte, Montana.
B. G. Rusk, M. H. Reed, J. H. Dilles, and A. J.R. Kent (2006)
American Mineralogist 91, 1300-1312
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Hydrothermal Alteration and Mineralization in the Neves-Corvo Volcanic-Hosted Massive Sulfide Deposit, Portugal. I. Geology, Mineralogy, and Geochemistry.
J. M.R.S. Relvas, F. J.A.S. Barriga, A. Ferreira, P. C. Noiva, N. Pacheco, and G. Barriga (2006)
Economic Geology 101, 753-790
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Hydrothermal Alteration and Mineralization in the Neves-Corvo Volcanic-Hosted Massive Sulfide Deposit, Portugal. II. Oxygen, Hydrogen, and Carbon Isotopes.
J. M.R.S. Relvas, F. J.A.S. Barriga, and F. J. Longstaffe (2006)
Economic Geology 101, 791-804
   Abstract »    Full Text »    PDF »
Chemical Compositions of Fluid Inclusions in Intrusion-Related Gold Systems, Alaska and Yukon, Using PIXE Microanalysis.
T. Baker, S. Ebert, C. Rombach, and C. G. Ryan (2006)
Economic Geology 101, 311-327
   Abstract »    Full Text »    PDF »
100th Anniversary Special Paper: Vapor Transport of Metals and the Formation of Magmatic-Hydrothermal Ore Deposits.
A. E. Williams-Jones and C. A. Heinrich (2005)
Economic Geology 100, 1287-1312
   Abstract »    Full Text »    PDF »
The Evolution of a Porphyry Cu-Au Deposit, Based on LA-ICP-MS Analysis of Fluid Inclusions: Bajo de la Alumbrera, Argentina.
T. Ulrich, D. Gunther, and C. A. Heinrich (2002)
Economic Geology 97, 1889-1920
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Copper speciation in vapor-phase fluid inclusions from the Mole Granite, Australia.
J. A. Mavrogenes, A. J. Berry, M. Newville, and S. R. Sutton (2002)
American Mineralogist 87, 1360-1364
   Abstract »    Full Text »    PDF »
Causes for Large-Scale Metal Zonation around Mineralized Plutons: Fluid Inclusion LA-ICP-MS Evidence from the Mole Granite, Australia.
A. Audetat, D. Gunther, and C. A. Heinrich (2000)
Economic Geology 95, 1563-1581
   Abstract »    Full Text »    PDF »
Gold Solubility in Supercritical Hydrothermal Brines Measured in Synthetic Fluid Inclusions.
R. R. Loucks and J. A. Mavrogenes (1999)
Science 284, 2159-2163
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