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Reductive diagenesis,magnetite dissolution, greigite growth and paleomagnetic smoothing in marine sediments: A new view

Rowan, Christopher J; Roberts, Andrew; Broadbent, Thomas

Description

In many anoxic sedimentary environments, the onset of sulfate reduction, and pyritization of detrital iron-bearing minerals, leads to a precipitous decline in magnetic mineral concentration during early diagenesis. The usefulness of the surviving paleomagnetic record in such environments is usually argued to depend on how much of the primary detrital magnetic assemblage survives diagenetic dissolution. Detailed rock magnetic and electron microscope analyses of rapidly deposited (~ 7 cm/kyr)...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/39275
Source: Earth and Planetary Science Letters
DOI: 10.1016/J.epsl.2008.10.016

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