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the claim

Fossils are composed of minerals replacing original organic material through permineralization

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that fossils are composed of minerals replacing original organic material through permineralization?

Yes. Multiple authoritative reference and peer-reviewed sources establish that fossils are formed through processes like permineralization and mineral replacement, where minerals take the place of original organic material.

Verdict: SUPPORTED · 6 sources for, 0 against · Last checked

The analysis

Judged against the evidence record for claims of this kind.

Evidence for · 6
Wikipedia: Fossil
Reference article covering this claim directly
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Wikipedia: Fossil. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Fossil

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More for · 5
Wikipedia: Permineralization
Reference article covering this claim directly
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Wikipedia: Permineralization. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Permineralization

Wikipedia: Florissant Formation
Reference article covering this claim directly
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Wikipedia: Florissant Formation. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Florissant_Formation

Wood Petrifaction: A New View of Permineralization and Replacement
2017
It discusses permineralization and replacement by inorganic materials during petrifaction.
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Mustoe, G. (2017). Wood Petrifaction: A New View of Permineralization and Replacement. peer-reviewed literature. https://doi.org/10.3390/GEOSCIENCES7040119

Experimental mineralization of crustacean eggs: new implications for the fossilization of Precambrian–Cambrian embryos
2012
It demonstrates experimental mineralization and replacement in fossilization.
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Hippler, D., Hu, N., Steiner, M., Scholtz, G., & Franz, G. (2012). Experimental mineralization of crustacean eggs: new implications for the fossilization of Precambrian–Cambrian embryos. peer-reviewed literature. https://doi.org/10.5194/BG-9-1765-2012

Double fossilization in eukaryotic microorganisms from Lower Cretaceous amber.
2009
It mentions replacement and permineralization modes in microfossil preservation.
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A, M., J, W., JC, G., J, A., & C, A. (2009). Double fossilization in eukaryotic microorganisms from Lower Cretaceous amber.. peer-reviewed literature. https://doi.org/10.1186/1741-7007-7-9

What does the evidence say?

Judged against the evidence record for claims of this kind.

Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 8705 Aug 2026
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