{"id":"W925608141","doi":"10.1080/10256016.2015.1047449","title":"<sup>238</sup>U/<sup>235</sup>U isotope ratios of crustal material, rivers and products of hydrothermal alteration: new insights on the oceanic U isotope mass balance","year":2015,"lang":"en","type":"article","venue":"Isotopes in Environmental and Health Studies","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":64,"is_retracted":false,"has_abstract":true,"ca_institutions":"Trent University","funders":"Deutsche Forschungsgemeinschaft; University of Sussex","keywords":"Geology; Continental crust; Geochemistry; Oceanic crust; Crust; Isotope fractionation; Isotopes of strontium; Basalt; Isotope; Subduction; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002246255,0.0003550161,0.0002522581,0.0007826762,0.0001843805,0.0007026725,0.0002760152,0.0003280362,0.001276504],"category_scores_gemma":[0.0002714715,0.0001878571,0.0001544282,0.0007082236,0.0003827561,0.0004941953,0.0002788499,0.0001913782,0.0004402643],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002528042,"about_ca_system_score_gemma":0.0001173094,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002048681,"about_ca_topic_score_gemma":0.004351946,"domain_scores_codex":[0.9998766,0.0000163937,0.00001281104,0.00004384421,0.00003535266,0.00001492857],"domain_scores_gemma":[0.9999064,0.00002248788,0.0000260974,0.00001082613,0.00002553407,0.000008673077],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0005938237,0.00001653224,0.1138748,0.0002088063,0.0001170049,0.0003352528,0.000200709,0.0005259367,0.8295974,0.0003282177,0.0002198651,0.05398165],"study_design_scores_gemma":[0.000009093723,0.0001911662,0.7142463,0.00004055185,0.0001634633,0.001226587,0.0006243692,0.003902405,0.2661327,0.0008464396,0.01257338,0.00004362994],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9899284,0.003777313,0.002633848,0.00003857982,0.00001225979,0.00000520036,0.0007444772,0.0000497528,0.002810139],"genre_scores_gemma":[0.993629,0.001043876,0.003285539,0.00004098801,0.00001469659,0.000007832232,0.0007554208,0.00003519931,0.001187502],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002048681,"threshold_uncertainty_score":0.004270315,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03047550706826187,"score_gpt":0.2317913397216643,"score_spread":0.2013158326534025,"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."}}