{"id":"W4403858264","doi":"10.1130/abs/2024am-402348","title":"A GIANT GEM CORUNDUM DEPOSIT IN RHYOLITIC IGNIMBRITE: THE ENIGMATIC ROCK CREEK SAPPHIRE DEPOSIT, MONTANA, USA","year":2024,"lang":"en","type":"article","venue":"Abstracts with programs - Geological Society of America","topic":"Mineralogy and Gemology Studies","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland","funders":"","keywords":"Rhyolite; Corundum; Geology; Geochemistry; Sapphire; Mining engineering; Archaeology; Mineralogy; Volcanic rock; Volcano; Geography","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":[0.0001202064,0.0001751517,0.0001333811,0.0009732136,0.001470286,0.0004445425,0.0004067047,0.0004522383,0.001285347],"category_scores_gemma":[0.0001812554,0.0001292504,0.00007149833,0.0007367107,0.0006474501,0.0002142343,0.0005245171,0.0001653597,0.0002395932],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005753178,"about_ca_system_score_gemma":0.0006706819,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1390407,"about_ca_topic_score_gemma":0.5647626,"domain_scores_codex":[0.9999568,0.0000031375,0.000002490047,0.0000137172,0.00001106151,0.0000127166],"domain_scores_gemma":[0.9998871,0.00001465128,0.00001925783,0.00001097746,0.00003577526,0.00003212466],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003981454,0.00008225908,0.8414921,0.0001804612,0.00008921733,0.0143716,0.008529765,0.0004324426,0.06564857,0.001021465,0.004238662,0.06351536],"study_design_scores_gemma":[0.000007739842,0.00002048505,0.9890639,0.00001811802,0.00001444653,0.001813899,0.00297586,0.0001792995,0.0008388613,0.00007344401,0.004989294,0.000004661963],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9928523,0.0002059483,0.0001367092,0.0001733898,0.000008014778,0.00001017828,0.0001640578,0.00003701641,0.006412358],"genre_scores_gemma":[0.9981195,0.0000863028,0.0003756137,0.00004739098,0.000007560266,0.000002641581,0.0001521567,0.000006478459,0.001202202],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1390407,"threshold_uncertainty_score":0.2764627,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01801718732402729,"score_gpt":0.227860002686443,"score_spread":0.2098428153624157,"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."}}