{"id":"W2187674267","doi":"","title":"Lead Isotope Age of Chondrules in the CR2 Chondrite NWA801 by a Progressive Stepwise Dissolution","year":2010,"lang":"en","type":"article","venue":"","topic":"Astro and Planetary Science","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Chondrule; Chondrite; Radiogenic nuclide; Isochron; Meteorite; Troilite; Achondrite; Geology; Carbonaceous chondrite; Geochemistry; Allende meteorite; Mineralogy; Astrobiology; Mantle (geology); Physics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002217644,0.0003169771,0.0004291684,0.0003946836,0.0002964824,0.000562534,0.0004076623,0.0002262932,0.0005489975],"category_scores_gemma":[0.0003393793,0.0002260855,0.0002251103,0.0002977531,0.0003626881,0.0001561213,0.0005262729,0.0003483557,0.0003297233],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005939852,"about_ca_system_score_gemma":0.0003238503,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009639136,"about_ca_topic_score_gemma":0.01437142,"domain_scores_codex":[0.9997953,0.000009201513,0.00001329646,0.00006819011,0.00008251531,0.00003156092],"domain_scores_gemma":[0.999838,0.00001606262,0.00003129049,0.00002059299,0.00006865843,0.00002537391],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.000187496,0.0000135319,0.008304513,0.00002625983,0.00001514684,0.00005499303,0.00008404299,0.0002260273,0.9885154,0.00004009461,0.00002719592,0.002505171],"study_design_scores_gemma":[0.00003622707,0.0005131996,0.2371122,0.00001786506,0.00004567427,0.0002851143,0.000173173,0.003678235,0.7530774,0.0001029393,0.004932786,0.00002507966],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9973388,0.0001900324,0.00105686,0.0000105888,0.000002245298,0.00002500125,0.0003207038,0.00003322334,0.001022503],"genre_scores_gemma":[0.9940128,0.0001775123,0.001827608,0.00002037457,0.000002896019,0.00004495139,0.001005872,0.00005414908,0.002853991],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009639136,"threshold_uncertainty_score":0.01916605,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005897546740232757,"score_gpt":0.2269458391751089,"score_spread":0.2210482924348761,"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."}}