{"id":"W2087399426","doi":"10.1016/j.gca.2012.03.037","title":"The Ca isotopic composition of dust-producing regions: Measurements of surface sediments in the Black Rock Desert, Nevada","year":2012,"lang":"en","type":"article","venue":"Geochimica et Cosmochimica Acta","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":35,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Saskatchewan","funders":"University of Saskatchewan; National Aeronautics and Space Administration","keywords":"Geology; Calcite; Geochemistry; Weathering; Fractionation; Isotope; Environmental chemistry; Stable isotope ratio; Chemical composition; δ18O; Mineralogy; Chemistry","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":[0.0001405068,0.0001955523,0.0002284788,0.0007052188,0.0009558612,0.0006027963,0.0003595935,0.0002823629,0.0003934368],"category_scores_gemma":[0.0002850333,0.0001585479,0.00009809734,0.0004746072,0.0002558181,0.0002126238,0.0002979823,0.000150919,0.0001051475],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007157373,"about_ca_system_score_gemma":0.0007423172,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2516014,"about_ca_topic_score_gemma":0.408166,"domain_scores_codex":[0.9999254,0.000007027356,0.000005201858,0.00002835446,0.00002092795,0.00001299269],"domain_scores_gemma":[0.9998482,0.00001820751,0.00002265356,0.000007774741,0.0000678778,0.00003522572],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004483618,0.00006667125,0.9383739,0.00005120679,0.0001047459,0.0002013685,0.00100191,0.0005375971,0.05154613,0.00009530036,0.0002783899,0.007294442],"study_design_scores_gemma":[0.00001269042,0.00001422008,0.9968759,0.000005728712,0.00001566717,0.00004263403,0.0004950622,0.0003400396,0.00133862,0.00002208711,0.0008343061,0.000003034918],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990062,0.0001088494,0.00003363913,0.00001466682,0.000002151803,0.000001831126,0.0002302365,0.000003900628,0.0005985668],"genre_scores_gemma":[0.998946,0.0001154622,0.0002044347,0.00001441203,0.000002437082,0.000004477797,0.0003617697,0.000003779958,0.0003472025],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2516014,"threshold_uncertainty_score":0.5002738,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04998188881443243,"score_gpt":0.2762922791215657,"score_spread":0.2263103903071332,"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."}}