{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003148343,0.0001137495,0.0001476201,0.00006781713,0.0001247155,0.0001407494,0.0009188976,0.00004227001,0.000002587062],"category_scores_gemma":[0.0001683158,0.0001078787,0.00001635855,0.0003471881,0.0001079044,0.001925435,0.0005991609,0.0000626344,3.873846e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001765412,"about_ca_system_score_gemma":0.0001699626,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001284499,"about_ca_topic_score_gemma":0.0002463369,"domain_scores_codex":[0.9986629,0.00003334141,0.0002905749,0.000591886,0.0001509301,0.0002703748],"domain_scores_gemma":[0.9990358,0.00004839072,0.00008876164,0.0007396617,0.00004752511,0.00003983514],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00007273139,0.0005560058,0.2556562,0.001158335,0.00003044374,0.00003976191,0.006622368,0.5544849,0.133068,0.03273781,0.0007016961,0.01487172],"study_design_scores_gemma":[0.0002386694,0.00002375402,0.002335095,0.00009465963,0.00000366206,0.000002199468,0.00013858,0.9917642,0.0006782846,0.004528441,0.00007447982,0.000117935],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3894456,0.00008831889,0.6095678,0.0003461263,0.0001349933,0.000190073,0.0001407325,0.000008958906,0.00007745522],"genre_scores_gemma":[0.9770715,0.00001230532,0.02255277,0.00008291501,0.00001289697,0.0000124592,0.0002089344,0.000001296924,0.00004493645],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.5876259,"threshold_uncertainty_score":0.4399168,"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."}}