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Anomalously metal-rich fluids form hydrothermal ore deposits
Citation
Wilkinson, JJ and Stoffell, B and Wilkinson, CC and Jeffries, TE and Appold, MS, Anomalously metal-rich fluids form hydrothermal ore deposits, Science, 323, (February 6) pp. 764-767. ISSN 0036-8075 (2009) [Refereed Article]
DOI: doi:10.1126/science.1164436
Abstract
Hydrothermal ore deposits form when metals, often as sulfides, precipitate in abundance from aqueous solutions in Earth's crust. Much of our knowledge of the fluids involved comes from studies of fluid inclusions trapped in silicates or carbonates that are believed to represent aliquots of the same solutions that precipitated the ores. We used laser ablation inductively coupled plasma mass spectrometry to test this paradigm by analysis of fluid inclusions in sphalerite from two contrasting zinc- lead ore systems. Metal contents in these inclusions are up to two orders of magnitude greater than those in quartz- hosted inclusions and are much higher than previously thought, suggesting that ore formation is linked to influx of anomalously metal- rich fluids into systems dominated by barren fluids for much of their life.
Item Details
Item Type: | Refereed Article |
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Keywords: | hydrothermal fluids, ore deposits, metal-rich fluids |
Research Division: | Earth Sciences |
Research Group: | Geochemistry |
Research Field: | Geochemistry not elsewhere classified |
Objective Division: | Mineral Resources (Excl. Energy Resources) |
Objective Group: | Mineral exploration |
Objective Field: | Mineral exploration not elsewhere classified |
UTAS Author: | Wilkinson, JJ (Professor Jamie Wilkinson) |
ID Code: | 62050 |
Year Published: | 2009 |
Web of Science® Times Cited: | 138 |
Deposited By: | Centre for Ore Deposit Research - CODES CoE |
Deposited On: | 2010-03-09 |
Last Modified: | 2011-02-07 |
Downloads: | 0 |
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