Abstract
Mississippi Valley-type (MVT) Pb-Zn(-Ba-F) ore deposits typically occur in undisturbed platform carbonates that preclude geologic dating, are comprised of minerals that are not amenable to radiometric age dating, and therefore have an uncertain age and genesis. This chapter summarizes palaeomagnetic methods that have been successful in dating several MVT deposits, paying particular attention to various tests that show that the measured magnetization event is coeval with the MVT mineralization event. All results to date are consistent with gravity-driven fluid flow from an adjacent orogenic uplift as the correct model for the genesis of MVT deposits.
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Symons, D.T.A., Sangster, D.F. (1994). Palaeomagnetic Methods for Dating the Genesis of Mississippi Valley-Type Lead-Zinc Deposits. In: Fontboté, L., Boni, M. (eds) Sediment-Hosted Zn-Pb Ores. Special Publication of the Society for Geology Applied to Mineral Deposits, vol 10. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03054-7_4
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DOI: https://doi.org/10.1007/978-3-662-03054-7_4
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