{"id":"W2069650400","doi":"10.1016/j.gca.2011.07.043","title":"Silicon isotope fractionation during magmatic differentiation","year":2011,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":188,"is_retracted":false,"has_abstract":false,"ca_institutions":"Trent University","funders":"Science and Technology Facilities Council; Natural Environment Research Council; Earth Institute, Columbia University; Háskóli Íslands","keywords":"Geochemistry; Geology; Igneous rock; Mantle (geology); Felsic; Mafic; Continental crust; Igneous differentiation; Fractionation; Isotopic signature; Olivine; Silicate; Crust; Isotope fractionation; Pyroxene; Plagioclase; Partial melting; Mineralogy; Isotope; Chemistry; Quartz","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0001814349,0.0002524078,0.0002871869,0.0001561572,0.0002313773,0.00006227495,0.0003338155,0.0001277058,0.02809585],"category_scores_gemma":[0.0001566673,0.0001994124,0.0001767645,0.0003313604,0.00008368106,0.0003847501,0.00004315384,0.0003118094,0.0007501915],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000009545573,"about_ca_system_score_gemma":0.00002099825,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008843547,"about_ca_topic_score_gemma":0.001343591,"domain_scores_codex":[0.9982187,0.0001430409,0.0003991465,0.000468751,0.0003448184,0.0004254983],"domain_scores_gemma":[0.9990896,0.0001359965,0.0001952274,0.0003099395,0.00007903206,0.000190209],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006080351,0.0007870158,0.8814991,0.0001633302,0.0003830305,0.00002894891,0.001598865,0.0003853666,0.1024209,0.001530943,0.001339408,0.009255155],"study_design_scores_gemma":[0.0003099838,0.00006247082,0.9474818,0.0000144608,0.00006583017,0.00001753721,0.00006102743,0.00446288,0.01087666,0.03619531,0.0001587632,0.0002933044],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9755794,0.00003736604,0.00005871535,0.001190363,0.0001608269,0.0001878625,0.00004476645,0.0001544717,0.02258616],"genre_scores_gemma":[0.9976066,0.00007192239,0.0009685009,0.0005658171,0.00007333971,0.000006387238,0.0004493848,0.000005901417,0.0002521737],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09154422,"threshold_uncertainty_score":0.9727926,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01967495612928308,"score_gpt":0.1996184710567256,"score_spread":0.1799435149274425,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}