{"id":"W3097946271","doi":"10.5382/econgeo.4773","title":"PLATINUM-BEARING PLACERS: MINERAL ASSOCIATIONS AND THEIR 190Pt-4He AND Re-Os AGES, AND POTENTIAL LINKS WITH LARGE IGNEOUS PROVINCES IN THE SIBERIAN CRATON","year":2020,"lang":"en","type":"article","venue":"Economic Geology","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University","funders":"","keywords":"Geology; Placer mining; Craton; Precambrian; Geochemistry; Placer deposit; Large igneous province; Igneous rock; Alluvium; Platinum group; Flood basalt; Zircon; Prospectivity mapping; Mafic; Mineral resource classification; Earth science; Geomorphology; Structural basin; Paleontology; Magmatism; Volcanism","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":[],"consensus_categories":[],"category_scores_codex":[0.0001893362,0.0001147626,0.0002183463,0.00002641905,0.0001247246,0.00004618613,0.00009470418,0.0001168036,0.000791596],"category_scores_gemma":[0.00003999905,0.00006647421,0.00002078488,0.00004849221,0.0001417288,0.0000843614,0.00003642252,0.0001983212,0.00001224085],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000002534149,"about_ca_system_score_gemma":0.00001568028,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003733512,"about_ca_topic_score_gemma":0.0564395,"domain_scores_codex":[0.9991983,0.00009193514,0.0001612869,0.0002870697,0.00003051741,0.0002308839],"domain_scores_gemma":[0.9995717,0.0002071083,0.00007233728,0.00005973216,0.000006151249,0.0000829066],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004772986,0.00000792357,0.9948103,0.000006859162,0.0000360459,0.0000177883,0.001273408,0.0011106,0.00003862998,0.00006348061,0.0001675693,0.002419619],"study_design_scores_gemma":[0.0006357944,0.000295783,0.9485002,0.000003173288,0.00002697788,0.00004212082,0.001204256,0.04503308,0.00001485189,0.002706391,0.001371628,0.0001657661],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9877147,0.0004231836,0.000007375339,0.01035809,0.00002072012,0.0001125527,0.000087585,0.0000121148,0.0012637],"genre_scores_gemma":[0.9984383,0.00006253256,0.0001279305,0.001121568,0.00008361509,0.000002062575,0.0001017923,0.000001439134,0.00006073468],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05270598,"threshold_uncertainty_score":0.960778,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008236090895475395,"score_gpt":0.1677551010807253,"score_spread":0.1595190101852499,"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."}}