{"id":"W4413247927","doi":"10.1007/s44288-025-00202-w","title":"Data driven frequency ratio modeling for iron-ore exploration using aster and aeromagnetic datasets in parts of Nasarawa, Northcentral Nigeria","year":2025,"lang":"en","type":"article","venue":"Discover Geoscience","topic":"Geochemistry and Geologic Mapping","field":"Computer Science","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"","keywords":"Advanced Spaceborne Thermal Emission and Reflection Radiometer; Geology; Iron ore; Mining engineering; Remote sensing; Geochemistry; Geography; Archaeology; Digital elevation model","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":[0.0007087975,0.0006650023,0.0003610301,0.0008174551,0.0002326624,0.0005823816,0.0006094583,0.0006096866,0.0003239849],"category_scores_gemma":[0.001448937,0.00034763,0.0007075071,0.0004532069,0.0002030711,0.000507379,0.0003674769,0.0004906511,0.0001328529],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006823852,"about_ca_system_score_gemma":0.0005901387,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03025463,"about_ca_topic_score_gemma":0.0239848,"domain_scores_codex":[0.9998496,0.00004146179,0.00001198293,0.00005584426,0.00002214463,0.0000189109],"domain_scores_gemma":[0.9995896,0.0002502316,0.00004755924,0.00002883516,0.00006769549,0.00001607292],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"observational","study_design_scores_codex":[0.0001304211,0.0002019252,0.04547918,0.00004854898,0.00009290621,0.000190359,0.00008467036,0.923247,0.002927199,0.0002988856,0.0003049411,0.02699394],"study_design_scores_gemma":[0.000003255364,0.00001286743,0.006477941,0.000003432989,0.000006911641,0.00001666175,0.00003013157,0.9926835,0.0005035669,0.0001321115,0.0001248295,0.000004855514],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9770555,0.0001733616,0.02104933,0.0001473413,0.00001373926,0.00003547828,0.0005807784,0.00037994,0.0005645152],"genre_scores_gemma":[0.9881392,0.00006531381,0.0106528,0.0000118738,0.000004707494,0.00003052937,0.000771243,0.00001367367,0.0003105768],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03025463,"threshold_uncertainty_score":0.06015706,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05314905117500356,"score_gpt":0.2896552814779404,"score_spread":0.2365062303029368,"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."}}