{"id":"W2274515714","doi":"10.2172/805568","title":"U-Pb Ages of Secondary Silica at Yucca Mountain, Nevada: Implications for the Paleohydrology of the Unsaturated Zone","year":2001,"lang":"en","type":"report","venue":"","topic":"Mineralogy and Gemology Studies","field":"Earth and Planetary Sciences","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Royal Ontario Museum","funders":"U.S. Department of Energy","keywords":"Chalcedony; Calcite; Geology; Geochemistry; Mineralogy; Radiogenic nuclide; Deposition (geology); Absolute dating; Radiometric dating; Isotope; Paleontology; Mantle (geology); Quaternary; Sediment","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":[0.0005807137,0.0002512234,0.0005810465,0.0000778166,0.0004785655,0.000005963544,0.0005732044,0.000438883,0.001881251],"category_scores_gemma":[0.0002278699,0.0001210168,0.0002297478,0.0002687442,0.001030429,0.0000347276,0.00006885979,0.0003466885,0.0000110661],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001025215,"about_ca_system_score_gemma":0.000393157,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.009654067,"about_ca_topic_score_gemma":0.0665416,"domain_scores_codex":[0.9984294,0.0001311544,0.0005739197,0.0003431162,0.0001886931,0.0003337007],"domain_scores_gemma":[0.9967817,0.001596114,0.0005508466,0.0006317488,0.0004016013,0.00003799553],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001616017,0.00004715916,0.6353666,0.0001934426,0.001249602,0.000003642887,0.00018108,0.002038114,0.0002887202,0.0003930135,0.3464317,0.01364535],"study_design_scores_gemma":[0.0001866665,0.0001225467,0.7485607,0.00001020298,0.0002476501,0.0001394408,0.00006717785,0.0001258626,0.00005383225,0.0005083433,0.2498429,0.0001346698],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.3623155,0.1395747,0.0005738623,0.04747235,0.006608941,0.00582802,0.01194162,0.0001480644,0.425537],"genre_scores_gemma":[0.9053187,0.01167283,0.0001300465,0.0008284389,0.0003222277,0.00004777278,0.001341802,0.00001156523,0.08032656],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.5430033,"threshold_uncertainty_score":0.9990312,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03813469481456617,"score_gpt":0.2697983813750901,"score_spread":0.2316636865605239,"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."}}