The metallogeny of zinc through time: links to secular changes in the hydrosphere and tectonics, and the supercontinent cycle  

Authors / CoAuthors

Huston, D.L. | Eglington, B.M. | Leach, D.L. | Pehrsson, S.

Abstract

The secular distribution of zinc deposits is pulsed and related to changes in Earth processes and conditions, including the supercontinent cycle and oxygenation of the atmosphere and hydrosphere. Deposits hosted by volcanic successions formed during the assembly of supercontinents along convergent margins, probably as the consequence of high heat flow and a greater likelihood that such tectonic systems are preserved. Siliciclastic-hosted and carbonate-hosted deposits post-date the first oxygenation event as fluids that formed these deposits were oxidized. Siliciclastic-hosted deposits formed both during assembly and breakup of supercontinents, whereas carbonate-hosted deposits formed during supercontinent or microplate assembly.

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nonGeographicDataset

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70733

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• External Publication

( Theme )

• economic geology

( Theme )

• geodynamics

( Theme )

• metallogenesis

Australian and New Zealand Standard Research Classification (ANZSRC)

• Earth Sciences

• Published_Internal

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2010-01-01T00:00:00

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Creative Commons Attribution 4.0 International Licence    

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