{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Gibson SA"],"funding":["RCUK | Natural Environment Research Council","RCUK | Natural Environment Research Council (NERC)"],"pagination":["7842"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12373800"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(1)"],"pubmed_abstract":["The cratonic 'roots' of Earth's major continents extend to depths of over 160 km and have remained stable for more than 2.5 billion years due to buoyant, refractory harzburgites formed by Archean mantle melting. However, mantle harzburgites from some global cratons (e.g., Kaapvaal, Siberia, Slave, Rae and Tanzania) show unusual orthopyroxene and silica enrichment, alongside titanium depletion, which cannot be explained by simple melting processes. The origins of the orthopyroxene-rich harzburgites are debated and include high-pressure melting residues, with komatiite melt interaction, or subduction-related silicic melts and fluids. To further investigate this we analysed volatile (H2O, F, Cl) contents in Kaapvaal craton peridotites. Orthopyroxene-rich harzburgites, including a diamond-bear"],"journal":["Nature communications"],"pubmed_title":["The role of C-O-H-F-Cl fluids in the making of Earth's continental roots."],"pmcid":["PMC12373800"],"funding_grant_id":["NE/Y000218/1","NE/L002507/1"],"pubmed_authors":["Crosby JC","Jackson CJ","Gibson SA","Day JAF"],"additional_accession":[]},"is_claimable":false,"name":"The role of C-O-H-F-Cl fluids in the making of Earth's continental roots.","description":"The cratonic 'roots' of Earth's major continents extend to depths of over 160 km and have remained stable for more than 2.5 billion years due to buoyant, refractory harzburgites formed by Archean mantle melting. However, mantle harzburgites from some global cratons (e.g., Kaapvaal, Siberia, Slave, Rae and Tanzania) show unusual orthopyroxene and silica enrichment, alongside titanium depletion, which cannot be explained by simple melting processes. The origins of the orthopyroxene-rich harzburgites are debated and include high-pressure melting residues, with komatiite melt interaction, or subduction-related silicic melts and fluids. To further investigate this we analysed volatile (H2O, F, Cl) contents in Kaapvaal craton peridotites. Orthopyroxene-rich harzburgites, including a diamond-bear","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Aug","modification":"2026-05-09T19:10:56.714Z","creation":"2026-04-08T01:11:04.406Z"},"accession":"S-EPMC12373800","cross_references":{"pubmed":["40846869"],"doi":["10.1038/s41467-025-62888-3"]}}