Talk:Biogeology

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This isn't a good choice for an illustration, as it's hydrothermal pyrite rather than (obviously) biogenic. Pete Tillman 05:24, 26 June 2006 (UTC)

See http://www.geologywales.co.uk/framboids.htm for an example of biogenic pyrite. Pete Tillman 05:43, 26 June 2006 (UTC)

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