ArticleScience advances2024
Subaerial crust emergence hindered by phase-driven lower crust densification on early Earth.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Phyllosilicate adsorption limited phosphorus bioavailability in early ferruginous oceans.Nature communications · 2026Article
- Three stages of plateau evolution manifested in present-day Tibetan Plateau.Nature communications · 2025Article
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Authors and funding
4 authors.
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Abstract
Earth owes much of its dynamic surface to its bimodal hypsometry, manifested by high-riding continents and low-riding ocean basins. The thickness of the crust in the lithosphere exerts the dominant control on the long-wavelength elevations of continents. However, there is a limit to how high elevations can rise by crustal thickening. With continuous crustal thickening, the mafic lower crust eventually undergoes a densifying phase transition, arresting further elevation gain-an effect clearly observed in modern orogenic belts. On early Earth, lower crust densification should also limit how high a thickening crust can rise, regardless of the thickening mechanisms. We suggest that lower crust densification combined with a thicker oceanic crust in the Archean may have limited the whole-Earth topographic relief to 3 to 5 kilometers at most-half that of the present day. Unless the oceans were far less voluminous, limited relief would inevitably lead to a water world on early Earth.
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Registered trials
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