{"id":"W2055604456","doi":"10.1016/j.chemgeo.2010.11.010","title":"U–Pb and Th–Pb dating of apatite by LA-ICPMS","year":2010,"lang":"en","type":"article","venue":"Chemical Geology","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":500,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland","funders":"","keywords":"Geology; Apatite; Zircon; Provenance; Geochemistry; Mineralogy; Sedimentary rock; Monazite; Detritus; Igneous rock; Metamorphic rock; Paleontology","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":[0.000144607,0.0001091668,0.0002466963,0.00002341257,0.00003627036,0.000008892764,0.0001843829,0.000189468,0.01019834],"category_scores_gemma":[0.0003008567,0.00007693475,0.00005265249,0.0001294803,0.0005372352,0.00004194713,0.00004868363,0.0002991009,0.00006663786],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":3.964524e-7,"about_ca_system_score_gemma":0.000007349392,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001007776,"about_ca_topic_score_gemma":0.0002575346,"domain_scores_codex":[0.9991522,0.00003099482,0.0002114363,0.0002625755,0.00009730751,0.0002455223],"domain_scores_gemma":[0.9992031,0.0004177315,0.00007204164,0.0001356854,0.00003212431,0.0001393284],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00001497167,0.00002224809,0.5132908,0.00001336107,0.00001735994,0.000002936918,0.00002551432,0.00000427583,0.4744664,0.0002270514,0.0006231299,0.01129191],"study_design_scores_gemma":[0.001067163,0.0002316624,0.2432948,0.00001524172,0.0001169889,0.0001265856,0.0001028753,0.008000426,0.6304418,0.0869806,0.02885682,0.0007649936],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9836439,0.0002035636,0.00004877793,0.0005341191,0.00005001887,0.00003198968,0.00002424322,0.00002077334,0.01544254],"genre_scores_gemma":[0.9970028,0.00002351063,0.002354996,0.0002612198,0.00005345015,7.434388e-7,0.0001554457,0.000001365052,0.0001464282],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.269996,"threshold_uncertainty_score":0.9907065,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003866221494435732,"score_gpt":0.1748236724507153,"score_spread":0.1709574509562796,"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."}}