{"id":"W2087718270","doi":"10.1016/j.chemgeo.2014.07.007","title":"A new approach to Pb evaporation and condensation from zircon enabling sub-Ma age determination on Precambrian rocks","year":2014,"lang":"en","type":"article","venue":"Chemical Geology","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":3,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Toronto","funders":"Natural Sciences and Engineering Research Council of Canada; University of Toronto","keywords":"Precambrian; Zircon; Metamictization; Geology; Thermal ionization mass spectrometry; Geochemistry; Fractionation; Felsic; Igneous rock; Isotope dilution; Mineralogy; Mass spectrometry; Ionization; Chemistry; Mafic; Ion; Chromatography","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0004668227,0.0005010997,0.0007971309,0.001192131,0.00064861,0.001341205,0.0008747018,0.0005815546,0.002171386],"category_scores_gemma":[0.0005247844,0.0006371633,0.0005183521,0.000620026,0.0006316036,0.001063183,0.001736344,0.001017037,0.0009118071],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003450454,"about_ca_system_score_gemma":0.0006075522,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002413276,"about_ca_topic_score_gemma":0.007852444,"domain_scores_codex":[0.9996815,0.0000220685,0.00001756132,0.000121644,0.0001062119,0.00005108707],"domain_scores_gemma":[0.9997777,0.00003536737,0.00002497559,0.00008324061,0.00006194117,0.00001670565],"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":[0.00008934135,0.0000214651,0.002708534,0.00009601952,0.00003386364,0.0001065234,0.000170443,0.0003866422,0.9622324,0.002082674,0.0002629943,0.03180914],"study_design_scores_gemma":[0.00004612541,0.0002699376,0.01963792,0.00003013326,0.0001354679,0.0008493354,0.0001707081,0.01793815,0.925009,0.003038261,0.03280682,0.00006808201],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.4048627,0.00386266,0.5747378,0.000394368,0.0002729189,0.000246505,0.002338903,0.00271877,0.01056535],"genre_scores_gemma":[0.5707568,0.002369277,0.4115994,0.0002560607,0.0001848788,0.0002615606,0.001649978,0.0005106308,0.01241149],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.002413276,"threshold_uncertainty_score":0.007264018,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01608414288997198,"score_gpt":0.2004686638436907,"score_spread":0.1843845209537187,"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."}}