The relative ratio of igneous, sedimentary, and metamorphic rocks has changed over Earth's history.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

4 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 the relative ratio of igneous, sedimentary, and metamorphic rocks has changed over Earth's history?

Yes. Geological and macrostratigraphic evidence demonstrates that the relative proportions and compositions of igneous, sedimentary, and metamorphic rocks have continuously evolved throughout Earth's history due to shifting tectonic and magmatic processes.

Verdict: SUPPORTED · 4 sources for, 0 against · Last checked 4 Aug 2026

The analysis

The retrieved papers consistently support the idea that the relative abundance, distribution, and composition of major rock types (igneous, sedimentary, metamorphic) have varied over geological time as part of Earth's secular evolution and crustal recycling. Therefore, the claim is supported.

Evidence for · 4

Secular evolution of the continental crust: Implications for crust evolution models

2008

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Rollinson, H. (2008). Secular evolution of the continental crust: Implications for crust evolution models. doi.org. https://doi.org/10.1029/2008gc002262

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More for · 3

Macrostratigraphy: Insights into Cyclic and Secular Evolution of the Earth-Life System

2022

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Peters, S., Quinn, D., Husson, J., & Gaines, R. (2022). Macrostratigraphy: Insights into Cyclic and Secular Evolution of the Earth-Life System. doi.org. https://doi.org/10.1146/annurev-earth-032320-081427

Secular evolution of continental crust: recorded from massif-type charnockites of Eastern Ghats belt, India

2010

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Bhattacharya, S. & Chaudhary, A. K. (2010). Secular evolution of continental crust: recorded from massif-type charnockites of Eastern Ghats belt, India. doi.org. https://doi.org/10.4236/NS.2010.210134

Geochemical cycling of arsenic in magmatic systems across supercontinent cycles.

2026

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Q, C., Y, Z., J, Y., Z, Z., X, Y., W, J., M, Z., & J, W. (2026). Geochemical cycling of arsenic in magmatic systems across supercontinent cycles.. doi.org. https://doi.org/10.1038/s41598-026-37782-7

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Is it true that the fraction of Earth covered by water has changed significantly over geological history? SUPPORTED related question, same topic

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first checked04 Aug 2026

judged → SUPPORTED · 8604 Aug 2026

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