{"id":"W2295462978","doi":"10.1139/cjes-2015-0145","title":"Isotopic evidence for a lithospheric origin of alkaline rocks and carbonatites: an example from southern Africa","year":2016,"lang":"en","type":"article","venue":"Canadian Journal of Earth Sciences","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":21,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Carbonatite; Geology; Magmatism; Geochemistry; Nepheline; Mantle (geology); Lithosphere; Rift; Subduction; Nepheline syenite; Igneous rock; Petrology; Paleontology; Tectonics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001473486,0.0003503746,0.0001934502,0.0009215187,0.0005987241,0.0003924073,0.0001495505,0.0002243695,0.000870669],"category_scores_gemma":[0.0004205159,0.0001455593,0.0001875065,0.001111015,0.0003894351,0.0002658384,0.0003853879,0.0001468196,0.0001488757],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002546048,"about_ca_system_score_gemma":0.0002278783,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0143672,"about_ca_topic_score_gemma":0.0281542,"domain_scores_codex":[0.9999311,0.00000660901,0.000006680719,0.00002421463,0.00001101864,0.00002048685],"domain_scores_gemma":[0.9998239,0.00003420251,0.00006207181,0.00002015277,0.00003955316,0.00002018924],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002136466,0.00001294214,0.7827771,0.0001869418,0.00009754246,0.002359738,0.005880039,0.000324879,0.1857841,0.0002681605,0.00007762558,0.02201728],"study_design_scores_gemma":[0.000008759138,0.00005389074,0.9813099,0.00003677059,0.00006108264,0.001942255,0.002067406,0.0004003684,0.01104413,0.0001223903,0.002943904,0.000009118162],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987102,0.0002601918,0.000132569,0.00001609159,9.704905e-7,0.000002655215,0.00007739868,0.000002144048,0.0007978319],"genre_scores_gemma":[0.9990227,0.0002875914,0.0004078069,0.000008586832,0.000001684508,0.000001570779,0.00006970205,0.000002911851,0.0001973446],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0143672,"threshold_uncertainty_score":0.02856714,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07499936181145551,"score_gpt":0.2355907554565667,"score_spread":0.1605913936451112,"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."}}