{"id":"W2084629599","doi":"10.1126/science.1169604","title":"Comment on “Neodymium-142 Evidence for Hadean Mafic Crust”","year":2009,"lang":"en","type":"letter","venue":"Science","topic":"Radioactive element chemistry and processing","field":"Chemistry","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Hadean; Mafic; Crust; Neodymium; Geology; Petrology; Geochemistry; Physics; Optics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.001601433,0.0006789684,0.0008939928,0.0005190802,0.002966861,0.001585702,0.001811217,0.0361987,0.005218754],"category_scores_gemma":[0.007794157,0.0006177064,0.0007244415,0.0005223677,0.002425439,0.002046446,0.0008921241,0.02491418,0.005789417],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003631891,"about_ca_system_score_gemma":0.002513631,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01294687,"about_ca_topic_score_gemma":0.02241792,"domain_scores_codex":[0.9987736,0.0001967543,0.0001805743,0.0002850107,0.000359391,0.0002045897],"domain_scores_gemma":[0.9974903,0.001104912,0.0002019115,0.0001237408,0.000687321,0.0003918665],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00006603348,0.00002703078,0.0007332833,0.00002825003,0.000007134079,0.001699211,0.00007612559,0.0000387565,0.0002973141,0.001001245,0.9913276,0.004698062],"study_design_scores_gemma":[0.0001557829,0.0001317451,0.005566435,0.0001877446,0.00003819723,0.004046394,0.0005473877,0.0004863685,0.00113299,0.008565297,0.9790501,0.0000914474],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.001105281,0.0008889962,0.0001352724,0.9740121,0.0198091,0.00001990389,0.0001335749,0.00006598783,0.00382983],"genre_scores_gemma":[0.006583375,0.0005903103,0.0002216323,0.9678118,0.01734802,0.00002936354,0.00004507959,0.00002396448,0.007346447],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.0361987,"threshold_uncertainty_score":0.02635133,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08636915352725319,"score_gpt":0.3515779518540483,"score_spread":0.2652087983267951,"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."}}