ArticleNature communications2026
Links between the Archean hydrosphere and Earth's interior.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
Abstract
Earth's long-term habitability depends on cycling of surface volatiles into and out of the mantle, yet when this cycling began and how the early hydrosphere became connected to Earth's interior remain debated. Komatiites are ultramafic magmas produced mostly during the Archean by deep, high-degree mantle melting, providing a sensitive archive of early mantle composition. Here we present high-precision K isotope data for komatiites from ten localities. Our data show that Archean komatiites from three localities record heavy potassium isotope compositions, well above values typical of the mantle and most surface reservoirs. This signal is best explained by metasomatism of mantle domains by potassium-rich fluids released from subducted, water-altered oceanic lithosphere, later sampled by komatiite magmas. The data indicate that surface-derived water was transferred into mantle reservoirs by at least 3.6 billion years ago. Komatiites thus link the Archean hydrosphere to Earth's interior and record early operation of subduction-style volatile recycling.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.